Backend Developer jobs in Tel Aviv-Yafo
Papaya is a leading skill-based mobile gaming company, bringing together fun, competition, and real rewards for millions of players worldwide. Driven by our vision to create one of the world's most exciting player communities, we develop games powered by a large-scale B2C platform that supports tens of millions of daily tournaments and connects players around the world through social competitions. Located in the heart of Tel Aviv, we offer a fast-moving environment, culture of innovation, professional growth, and the opportunity to make a true impact. We are looking for people who play for real and want to shape the future of gaming with us. About the Team: WildCard is a product-facing backend squad in our Features Tribe. We own the systems that keep players coming back beyond the prize: the Store, Collectibles, Ranking & Seasons, the Friends social layer and the Gold Nuggets in-game economy. We work closely with Client (Unity) developers, Product and BI. Everything we ship is A/B tested and configured live through our internal back-office tool. In this role, you'll design and build game features that keep players engaged over the long term by giving them memorable, enjoyable experiences beyond winning rewards. You'll work closely with Client developers, Product and BI to design, ship and measure features that directly affect our global player base. You'll also make our systems scale better and cost less, by building heavy API call volumes and taming request spikes when a new event goes live. Responsibilities Build and own a high-scale backend platform for millions of users. Lead solutions end to end, from challenging the requirements through design and production to measuring the results, with designs that shorten time-to-market. Own your systems in production: set up honest, actionable alerts and find the root cause of every bug. Build with AI every day: use Claude Code and our internal agent tooling to design, write, test, review and debug code. Help shape how the team uses it, including shared skills, internal connectors and agent workflows. Try out new technologies, tools and 3rd-party frameworks, and adopt them where they fit to deliver state-of-the-art tech. Tech stack: AWS, Kubernetes, Node.js, TypeScript, Redis, MySQL Requirements Minimum of 3+ years of proven, hands-on experience in the design, architecture, and development of complex server applications. B.Sc. in Computer Science, Software Engineering, or a highly related technical field. Demonstrated expertise in cloud environment, with substantial practical experience operating within major cloud providers (AWS, GCP, or Azure). Experience in at least one major backend development language (specifically NodeJS, Java, or C#). A relentless drive to evaluate and adopt cutting-edge technologies to solve complex engineering challenges. Solid grasp of data modeling and caching: relational databases (MySQL) and Redis. A highly proactive, problem-solving mindset with a strict commitment to execution excellence and delivering production-ready code. Hands-on use of AI coding agents (Claude Code, Cursor, Copilot or similar) in real production work, not just autocomplete. You can explain how you break down tasks for an agent, give it the right context, and check its output. Advantages Extensive experience designing, building, and maintaining high-scale, high-throughput distributed systems. Prior background working within the mobile industry, particularly in mobile gaming or large-scale B2C mobile platforms. Data-driven product work: A/B tests, working with BI, analytics in SQL (e.g. Snowflake).
Papaya is a leading skill-based mobile gaming company, bringing together fun, competition, and real rewards for millions of players worldwide. Driven by our vision to create one of the world's most exciting player communities, we develop games powered by a large-scale B2C platform that supports tens of millions of daily tournaments and connects players around the world through social competitions. Located in the heart of Tel Aviv, we offer a fast-moving environment, culture of innovation, professional growth, and the opportunity to make a true impact. About the Team Optimus is the backbone of Papaya's product: we build and run the core infrastructure behind nearly every player-facing feature, at the scale of millions of players and tens of millions of daily tournaments. What we own: The core product platform: shared backend services every squad builds on, built for high throughput and low latency. Live configuration and experimentation: A/B testing, targeting and real-time tuning for every feature. Scale, reliability and cost: keeping the platform fast, stable and cost-efficient as it grows. We also own Optimus, our internal back-office tool, which the whole company uses to run games and features live. We are a senior, high-ownership team that sets technical standards, partners with every product squad, Client (Unity), Product and BI, and leads in AI-assisted development. Responsibilities You'll design, build and own the infrastructure behind Papaya's games and features, and set technical direction for shared platform services. You'll make our systems scale better and cost less, handling heavy API traffic and request spikes when new events go live. Responsibilities Build and own high-scale backend infrastructure that powers most of our products. Lead solutions end to end, from challenging requirements through design and production to measuring results. Drive architecture decisions and mentor developers through design and code reviews. Own your systems in production: actionable alerts, incident investigations and root-cause analysis. Build with AI every day using Claude Code and our internal agent tooling, and help shape the team's shared skills, connectors and agent workflows. Evaluate and adopt new technologies and frameworks where they fit. Tech stack: AWS, Kubernetes, Node.js, TypeScript, Redis, MySQL Requirements 4+ years of hands-on experience designing and building complex server applications. Proven experience operating high-load systems in production. B.Sc. in Computer Science, Software Engineering, or a related field. Strong hands-on experience with a major cloud provider (AWS, GCP or Azure). Backend experience in Node.js, Java or C#. Solid grasp of data modeling and caching (MySQL, Redis). A drive to adopt cutting-edge technologies for complex engineering challenges. A proactive, problem-solving mindset and a high bar for production-ready code. Hands-on use of AI coding agents (Claude Code, Cursor, Copilot or similar) in real production work, not just autocomplete. You know how to break down tasks, give the agent context and verify its output. Advantages Extensive experience with high-scale, high-throughput distributed systems. Experience building platform services for other engineering teams. Background in mobile gaming or large-scale B2C mobile platforms. Data-driven product work: A/B tests, BI, SQL analytics (e.g. Snowflake). Knowledge of client-side development in C# (e.g. Unity).
At Rise, we operate at the intersection of extreme scale, real-time decisioning, and high-frequency data. As a cloud-native adtech company, our platform processes massive request volumes where every millisecond of latency and every fraction of a cent in cloud compute directly impacts our bottom line. Driven by rapid growth, we need engineers who love analyzing system bottlenecks to maximize efficiency—connecting the dots between technical innovation, system performance, and revenue growth. This is a core Back-End Engineering role. You will build high-performance, ultra-low-latency backend services that execute complex business logic, integrate with Data Science models, and serve billions of real-time requests. Our Engineering Mindset We move fast, automate aggressively, and relentlessly optimize everything we touch—from network I/O and query costs to workflow automation. We actively integrate AI tools and workflows directly into our daily SDLC to move faster, elevate code quality, automate routine overhead, and accelerate shipping cycles. Our developers operate with a full ownership mindset, communicating across multiple cross-functional stakeholders with a broad, business-oriented perspective. We thrive on a "can-do" culture and take pride in engineering elegant, cost-optimized solutions. Responsibilities Drive Business Impact Through Feature Delivery: Own full-lifecycle feature development from concept to deployment. Translate ambiguous business goals into clear technical execution plans, align with cross-functional stakeholders, and deliver features that directly drive revenue and operational efficiency. Engine for High Throughput: Design, build, and optimize low-latency backend microservices using Golang and Rust to handle heavy adtech workloads. Leverage AI Across the SDLC: Integrate AI-driven coding assistants and automated tooling into your everyday workflow—from code generation and automated testing to debugging, refactoring, and documentation—to maximize developer velocity. Relentlessly Optimize Infrastructure & Costs: Analyze system bottlenecks, conduct CPU/memory profiling, optimize resource utilization, and drive down our GCP compute and data transfer costs without sacrificing reliability. Bridge Backend & Data Science: Integrate production-ready Data Science models and complex ad-server business logic into fast, reliable execution paths. Manage Cloud-Native Architecture: Deploy, maintain, and scale microservices on GCP using Google Kubernetes Engine (GKE), Docker, and modern CI/CD pipelines. Automate Everything: Identify manual processes, operational overhead, or inefficient code paths across our stack and build automated solutions to eliminate them. Requirements 3+ years of hands-on experience in backend engineering, building high-concurrency, low-latency applications (strong proficiency in Golang and/or Rust required, or deep background in Java/C#). AI-Augmented Development Mindset: Experience leveraging modern AI developer tools (e.g., Claude Code, Cursor, LLM-driven testing or debugging tools) across the SDLC to ship high-quality code faster. High-Scale System Design & Profiling: Proven track record of designing microservices and optimizing applications for performance, throughput, and memory footprint in production using CPU/memory profiling tools. Modern Data Store Expertise: Hands-on experience with high-performance and analytical data stores such as Redis, Valkey, Aerospike, BigTable, and BigQuery. Cloud-Native Proficiency: Deep familiarity with GCP and container orchestration via Kubernetes (GKE) and Docker. Cost & Performance Mindset: You don't just write code that works; you care about how it runs, how much memory and CPU it consumes, and how much it costs to run at scale. Full End to End Ownership: Ability to manage initiatives independently, navigate loosely defined tasks, and communicate effectively with cross-functional teams to keep projects moving forward. Relentless Curiosity & Autonomy: A pragmatic, "can-do" problem solver who loves learning new tech and taking complete ownership of solutions. Advantages Experience with probabilistic data structures (e.g., Bloom filters, HyperLogLog). Familiarity with Lua scripting for in-memory databases. Experience with gRPC for high-performance microservice communication.
Description About Port At Port.io, we are building an open and flexible Agentic SDLC Platform for modern engineering organizations. Following our recent $100M Series C funding round, we are in a phase of rapid hypergrowth with strong enterprise momentum. We act as the central nervous system for engineering, enabling platform teams to unify their stack and expose it as a governed layer through golden paths for developers and AI agents. By combining rich engineering context, workflows, and actions, we help organizations transition from manual processes to autonomous, AI-assisted engineering workflows while maintaining control and accountability. As a product-led company, we believe in building world-class platforms that fundamentally shape how modern engineering organizations operate. What you'll do: At Port, we're a platform by developers, for developers. Your role will encompass end-to-end design, implementation, and daily feature delivery, with a heavy focus on building the integrations infrastructure that power our portal. Design, build, and maintain robust, scalable connectors and integrations - connecting external developer tools directly into Port at scale. Beyond technical work, you'll assist in planning, grow our engineering team's skills, and help recruit new talent. By contributing to our open-source projects, you will also take part in maintaining open sources and collaborate with developers around the world. At Port, you won't just build; you'll shape the future of developer experiences. Who You'll work with: As a Backend Engineer at Port, you'll be joining a collaborative and dynamic team of talented and experienced engineers where creativity and innovation thrive. You'll closely collaborate with our dedicated Product Managers, working hand in hand to bring our Agentic SDLC platform to life. Your input and expertise will have a significant impact on the product's development, as it's tailor-made for developers like you. Additionally, you will have the opportunity to work closely with our customers and engage with our product community. Your insights and interactions with them will play an important role to ensure we deliver the best product possible. Together, we'll continue to empower platform engineers and developers worldwide, providing them with the tools they need to create seamless and robust Agentic SDLC Platform. Join us in our mission to revolutionize the developer experience! Requirements • 6+ years of professional software engineering experience. • Strong, proven proficiency in Typescript. • Experience in designing and developing complex systems, highlighting your ability to tackle challenging technical problems. • Experience in End-to-end ownership from concept to production. • Experience in dealing with scale and performance related challenges. • A collaborative team player skilled in driving initiatives to successful achievements, with a can-do approach. • Strong written and verbal communication skills in English and Hebrew. Advantages: • Experience with Golang / Python. • Experience in DevOps related tools. • Experience in PostgreSQL, MongoDB, Kafka, SQS. • Experience in Opensearch and/or Redis. • Experience with AWS cloud platform.
Appcharge is a leading direct-to-consumer platform for app publishers. We help publishers sell digital goods directly to their users - bypassing traditional app store commissions and owning the full payment and commerce experience. The result: higher margins, better flexibility, and a more direct relationship with end users. Backed by $89M from leading investors and operators, we've grown 14x in the past year and now process over a billion dollars annually. We're building the infrastructure that lets modern app businesses take back control of monetization – at scale. As a Senior Backend Engineer, you will play a key role in building and evolving Appcharge's core backend systems. You'll work on high-scale, cloud-native services that power critical business flows, with end-to-end ownership — from design and architecture to production, monitoring, and continuous improvement. You'll collaborate closely with engineers, product managers, and other stakeholders, and serve as a technical leader within the team. Responsibilities Design, build, and maintain scalable, high-availability backend services in a cloud-native environment Take end-to-end ownership of features: design, implementation, deployment, monitoring, and ongoing optimization Contribute to system architecture, API design, data modeling, and event-driven flows Write clean, high-quality, and maintainable code, and participate in design and code reviews Optimize performance, reliability, and resource usage (databases, infrastructure, integrations) Collaborate with Product and other stakeholders to translate business requirements into technical solutions Mentor and support other engineers, contributing to a strong engineering culture and best practices Continuously improve engineering standards, tooling, and workflows as the company scales Requirements 5+ years of experience building scalable backend systems and end-to-end web applications Strong backend development experience in Node.js / TypeScript Experience designing and working with microservice architectures Solid experience with cloud-based environments (AWS — preferred) Familiarity with NoSQL databases (e.g. MongoDB), caching solutions (e.g. Redis) Experience with containerization tools such as Docker (Kubernetes — advantage) Strong understanding of software design, system architecture, and production-grade systems Excellent problem-solving skills and a proactive, ownership-oriented mindset Strong communication and collaboration skills Startup mindset: adaptable, hands-on, and comfortable working in a fast-growing environment
About Huskeys Huskeys is reimagining web application protection for the modern era. We built the first Agentic Network Security Control Plane: an AI-powered mitigation layer that works with any existing WAF, so security teams can unify protection, measure effectiveness and block threats without disrupting the business. Why we need you We're looking for a Senior Backend Engineer to own a major piece of our real-time core. Not just to ship services, but to design the systems, set the standards and keep everything we build running under load. You'll also raise the bar for the engineers around you. About the position You'll own backend services in Node.js/TypeScript on AWS, from first requirement to production and beyond. Expect event-driven pipelines, secure connections and production you can see into. What success looks like after 6 months • Domain owner: you're the go-to person for your services: how they work, how they fail and how to run them. • End-to-end delivery: you've shipped a major feature from requirements to rollout, with a design doc others built from. • Reliable by default: your services have dashboards and alerts, and incidents end with a real fix. • Team multiplier: your reviews and standards make the team faster. Key responsibilities • Own the design: write HLDs/SDDs and drive projects through the full SDLC. • Build for scale: high-throughput services and event-driven pipelines on SQS, SNS, S3 and RabbitMQ. • Ship safely: run on AWS (ECS and Lambda) with staged rollouts per tenant and platform. • Make production visible: dashboards, alerts and tracing in Datadog, Prometheus and Grafana. • Lead through incidents: coordinate recovery, run the RCA and ship the preventative fix. • Mentor: review code with care and share what you know. Day-to-day reality • Mostly hands-on building: designing, coding, reviewing and debugging across services. • Regular work with client, platform, QA and support teams to gather requirements and validate end-to-end flows. • Full ownership of what you ship, including on-call for it. We use agentic coding tools like Claude Code and Codex to move faster. The ideal candidate • Owns the outcome: you stay with a feature until it works in production. • Builds for leverage: you create standards and tooling that other teams reuse. • Calm under pressure: you stay steady during incidents and drive to the root cause. • Shares early: you ask sharp questions and give clear written updates. Must-have requirements • 8+ years in backend engineering, including 3+ years leading designs or projects end to end. • Strong, hands-on Node.js and TypeScript. • Distributed systems and messaging in production: event-driven design, RabbitMQ, SQS/SNS. • AWS experience: ECS, Lambda, S3 and DynamoDB. • Observability depth: Datadog, plus Prometheus and Grafana. • Data stores: MongoDB, Redis and MySQL. • CI/CD and release engineering (GitHub Actions or TeamCity). • Clear written communication and design docs other developers can build from. • Fluent English and Hebrew. Bonus points • Real-time, high-concurrency TCP or custom-protocol servers. • TLS and mTLS, including certificate lifecycle and validation. • API gateways (like Kong), OAuth2 and X.509/PKI-based services. • Reliable serverless messaging, such as Lambda with RabbitMQ. • Daily use of agentic coding tools. • Experience with Cassandra or a JVM language.
We're looking for an Senior Backend Engineer to help shape the future of DataMind AI, Razor Labs' industrial intelligence platform that makes machines smarter. We're looking for an engineer who combines deep technical expertise, strong analytical thinking, architectural vision, and an AI-first engineering mindset. Someone who doesn't just implement specifications but understands the bigger picture, challenges technical assumptions, takes ownership of complex problems, and turns ideas into scalable, production-ready solutions. Own complex features end-to-end — from understanding product requirements and technical specifications to architecture, implementation, testing, and production delivery. Design scalable backend architectures supporting industrial AI, high-volume machine data, analytics, and real-time diagnostics. Think analytically — investigate complex issues, understand data flows, challenge assumptions, and make sound engineering decisions. Leverage AI as a core engineering tool — use AI coding assistants and agents for implementation, architecture exploration, code reviews, testing, debugging, and documentation. Turn specifications into working software — take ownership of delivery rather than waiting for detailed step-by-step instructions. Shape our architecture — contribute to technical design, scalability, maintainability, reliability, and long-term engineering decisions. Raise the engineering bar — mentor developers, improve development practices, and encourage effective adoption of modern AI-powered workflows. Collaborate with product, frontend, data engineering, and other teams to deliver meaningful customer value. Requirements At Least 6 years of backend software engineering experience, with strong Python expertise. Excellent analytical and problem-solving skills — the ability to break down complex systems, identify root causes, and develop elegant solutions. Strong software architecture and system design capabilities, including scalability, data modeling, API design, and distributed systems. Hands-on experience with AI-assisted software development — regularly using AI tools to improve productivity, engineering quality, and delivery speed. Experience with cloud services, preferably GCP. Strong experience with PostgreSQL, BigQuery, or similar transactional and analytical databases. A solid foundation in software engineering best practices, automated testing, CI/CD, and code quality. A strong ownership mindset — proactive, independent, motivated, and focused on getting things done. Excellent communication skills and the ability to collaborate, mentor, and lead technical discussions. B.Sc. in Computer Science or a related field, or equivalent professional experience.
Design, develop, test and maintain high-performance backend services. Collaborate with cross-functional teams to ensure seamless integration with frontend and other components. Stay updated with industry trends and emerging technologies to enhance our backend infrastructure. Contribute to code reviews, architectural discussions, and knowledge sharing within the team. Requirements 6+ years of experience as a Backend Developer with proven experience in developing an enterprise-grade SaaS platform. Production experience with Golang / Java / Scala / C# (Golang is an advantage). Experience in designing and maintaining scalable, fault-tolerant system architectures. Familiarity with various database technologies and microservices architecture. Familiarity with containerization technologies (e.g., Docker, Kubernetes) and Public Cloud Services (preferably AWS). Effective communication skills to articulate technical concepts in a clear and efficient manner. Bachelor's or Master's degree in Computer Science, Engineering, or a related field. About Datafy Datafy is a cutting-edge startup revolutionizing cloud storage efficiency with innovative solutions that help customers optimize and scale their cloud storage usage, achieving significant cost savings. Founded by a team of seasoned entrepreneurs and technologists, Datafy is backed by top-tier VCs Insight Partners and Bessemer Venture Partners. With ambitious plans for hypergrowth, Datafy is building a world-class team to transform how businesses manage their cloud infrastructure
The Company ZEST Security is bridging the gap between identifying cloud security risks and resolving them. ZEST offers an AI-powered risk resolution platform that enables security and DevOps teams to remediate and mitigate cloud risks at a scale and speed that wasn't possible before. The Mission At the intersection of cyber data, external tools, and production-grade software development. You will be responsible for driving the development of our cutting-edge cyber security solution. Your work will help our customers make data-driven decisions and resolve their cyber risks with confidence (using AI..) Role Description You thrive in a fast-paced, dynamic startup environment where flexibility and adaptability are key. You focus on shipping software that matters to your users and the company you're building it for. You love to teach and learn from your co-workers. You are confident enough that you don't have to prove to anyone what a great developer you are Qualifications 5+ years of experience in modern backend development with technologies like Node.js, Python, or Go. Expert in Node.js, proficient in JavaScript/TypeScript. Extensive knowledge of building and optimizing robust, data-intensive system architectures, ensuring exceptional reliability and performance. Experience with cloud-based technologies such as AWS, GCP, or Azure is a MUST. Bachelor's degree in Computer Science or equivalent Experience with cybersecurity solutions and data pipelines for ML is a plus.
About this role Mize is a dynamic Fintech-travel startup headquartered in Tel Aviv, with a global presence in Argentina, Spain, the UK, the US, and India. Leveraging cutting-edge technology, Mize addresses evolving challenges in the travel industry, generating an impressive $12 Billion in sales annually. As a pioneer in the field, we are committed to delivering real financial value to our extensive network of clients. Our R&D team is seeking a Backend Developer to help construct and expand our core financial platform. In this role, you will collaborate with a talented team to optimize high-impact transactional systems—covering client billing for captured savings, invoice creation and collection, as well as payment reconciliation and processing. What we're looking for 3+ years of professional C# development experience. Solid understanding of .NET and databases such as SQL Server and Couchbase. Familiarity with SQL Server ORMs, specifically EF6 or similar frameworks. Proven capability in integrating external REST APIs. Fluent English Excellent people skills. A collaborative team player with organizational, critical-thinking, and problem-solving abilities Advantage: Background working with billing systems like Netsuite, Bluesnap, or similar is a strong plus. Familiarity with TypeScript and frontend frameworks is a plus.
Description We are 48% of breaches now come through vendors. Yet most companies still manage vendor risk through certifications and questionnaires, essentially trusting what vendors say about their security. Lema changes that. We analyze every vendor like a vulnerability researcher would: how could an attacker use this vendor to get in, and what could they reach? We’re turning vendor risk from a paperwork exercise into a true security discipline. Backed by Team8, Salesforce Ventures, and F2, and already trusted by leading enterprises, Lema is entering hypergrowth and tripling our team to build a category-defining platform. We move fast, with radical ownership, transparency, and high impact. More about Lema: • Lema.ai website • Business Insider - Cybersecurity startup Lema has come out of stealth to raise $24 million • Team8 - Why We Invested In Lema About The Role We’re looking for a a senior backend engineer with 6+ years of experience, playing a key role in building impactful, user-centric products from the ground up. As part of the company’s early engineering team, you’ll help shape both the product and the engineering culture, own backend architecture, lead end-to-end feature development, and drive technical excellence while collaborating closely with product, design, and infrastructure in a fast-growing environment. What You’ll Do • Define and evolve the backend architecture, infrastructure and development best practices for a fast-growing team. • Own features end-to-end - from concept and design discussions to implementation, deployment and observability. • Solve complex challenges in distributed systems, event-driven architectures and real-time data pipelines. • Continuously improve developer workflows - identify friction, integrate new tools, automate repetitive tasks and champion engineering excellence. • Lead and mentor a small team of engineers: drive planning, break down work, ensure quality delivery and help hire exceptional talent. • Collaborate with experienced peers - engineers, PMs and designers - who’ve built large-scale systems at top-tier companies. • Here are some of the technologies we work with: Golang, Python, Protobuf, React, Typescript, Kafka, Postgresql, Redis, Kubernetes, Terraform and AWS Requirements What You Bring • A seasoned backend engineer (4+ years) who thrives on building impactful, user-centric products from the ground up. • Experienced in designing and scaling modern microservices architectures (both BE and FE integration). • Capable of taking complex features from design to deployment, owning every stage of the backend lifecycle - while guiding others to do the same. • Pragmatic about code quality: confident refactoring, simplifying and deleting code when needed. • Comfortable leading code reviews, defining engineering standards and collaborating across product, design and infrastructure. Why Join Lema AI • Impact: Build a category-defining platform that safeguards how modern businesses operate. • Ownership: Join a culture that gives you full context, autonomy, and trust to drive outcomes. • Compensation & Benefits: Competitive salary, equity package, and additional perks • Velocity: Work with exceptional peers in a high-energy, low-bureaucracy environment. • Growth: Shape a company that’s scaling rapidly, backed by Tier 1 investors and visionary customers.
Description About Slice Global Equity Slice Global Equity is redefining how companies manage equity, compliance, and tax across borders. We've raised $32M to date, including a Series A led by Insight Partners, with continued backing from TLV Partners, R-Squared Ventures, and Jibe Ventures. Slice is building an AI-native equity platform that automates global compliance in real time, across 60+ countries. We sit at the intersection of fintech, legaltech, and AI, solving one of the hardest infrastructure problems in global business. We're headquartered in New York City, with an office in Tel Aviv. We move fast, take ownership, and think AI-first. If that sounds like you, we'd love to meet you. The Role We are looking for a Strong Backend Engineer to join our core CTO team and build the next generation of AI-powered features that simplify global equity management. You’ll design, build and deploy systems and AI agents that extract, understand, and act on complex financial and legal data - in real time. Your work will directly power customer-facing AI interfaces, advanced document automation, and real-time compliance decision engines across the Slice platform. Key Responsibilities • End-to-End System Engineering: Design, build, deploy and maintain robust backend systems and data pipelines, taking features from initial concept all the way to production. • Core Vertical Impact: Contribute to and drive features across our primary AI focuses, including Document Automation, Customer-Facing Agents, real-time decision engines. • AI & Agent Development: Design, Deploy and Evaluate sophisticated AI agents and workflows integrated directly into Slice’s core SaaS infrastructure. • Production Ownership: Own services in production, monitor system health, troubleshoot complex issues, and drive continuous improvements in reliability, performance, and operational excellence. • Production Optimization: Continuously evaluate and fine-tune system and model performance for accuracy, latency, scalability, and cost. • Cross-Functional Collaboration: Partner directly with the CTO, platform engineers, product, and design teams to deliver user-facing AI capabilities. • Stay current with advances in LLMs, text analysis, and generative AI to guide product innovation. Requirements Required Qualifications • Core Backend Development: 6+ years of experience in backend heavy engineering. • strong proficiency in Python - Must. • Product Ownership: Ability to take projects end-to-end from research to production rollout, while translating product requirements into production-ready engineering solutions. • Experience in cloud-based deployment (GCP preferred). • Communication: Excellent written and spoken English, with strong collaboration skills. Nice to Have • Agentic Frameworks: Solid experience building and integrating AI agents and workflows using frameworks like LangGraph, LangChain, PydanticAI etc. • Applied AI :deploying practical AI/ML systems into real-world production environments. • NLP & Text Processing: Familiarity with NLP/ LLM architectures, and text-extraction or document-processing pipelines. • Experience with vector databases or RAG pipelines. • Familiarity with compliance, fintech, or document-intensive domains. Why Join Slice • Build with purpose: Apply AI to solve global compliance at scale. • High ownership: Work directly on product-critical systems with real customer impact. • Technical depth: Work across architecture, UX, and infrastructure. • Collaboration: Partner with top engineers and alumni of elite technology units. • Team culture: Collaborative, ambitious, and impact-driven. • Startup energy: Join a high-growth company backed by top investors, scaling globally, and redefining fintech infrastructure.
Honeycomb Insurance At Honeycomb, we're not just building technology; we’re reshaping the future of insurance. In 2025, Honeycomb was recognized by Dun & Bradstreet as “Top 10 Best Start Up Companies to Work For” in Israel, named by LinkedIn as “Top 10 Startups in Chicago”, and Newsweek’s "Greatest Startup Workplaces in America, 2025". Through the first half of 2026 we’ve been recognized on Inc. Magazine’s "Best Workplaces" List and Forbes "Fintech 50". How did we earn these honors? Honeycomb is a rapidly growing global startup, generously backed by top-tier investors and powered by an exceptional team of thinkers, builders, and problem-solvers. Dual-headquartered in Chicago and Tel Aviv (R&D center), and with 6 offices across the U.S., we are reinventing the commercial real estate insurance industry, an industry long overdue for disruption. Just as importantly, we ensure every employee feels deeply connected to our mission and one another. With over $100B in insured assets, Honeycomb operates across 23 states, covering more than 65% of the U.S. population and increasing its coverage. If you’re looking for a place where innovation is celebrated, culture actually means something, and smart people challenge you to be better every day - Honeycomb might be exactly what you’ve been looking for. What You’ll Do This is a highly autonomous role. You'll work independently, taking full ownership of complex, end-to-end initiatives from initial scoping all the way to production. You'll build and evolve the backend services that power Honeycomb's data platform, enabling reliable, scalable, and efficient data processing across the organization. • Take ownership of complex services and features, working independently to deliver high-quality solutions and use AI coding tools (Claude Code, Copilot, etc.) as a natural accelerant in your daily workflow • Play a key role in refactoring systems to build more robust, scalable, and streamlined services, including deep infrastructure work and modern service architecture leveraging AI-assisted analysis and code generation where it adds real value • Design and build core micro-services, laying the foundation for our product and internal platforms • Collaborate with product managers, architects, and other developers to understand requirements and translate them into technical specifications • Stay current with the rapidly evolving AI tooling landscape proactively evaluating new models, prompting strategies, and AI-assisted workflows that can meaningfully improve how the team builds Basic Requirements • 5+ years (senior level) working with Node.js or Java • 3+ years working with MongoDB • 1+ years of experience with the NestJS framework • Experience working with microservices architecture • B.Sc in Computer Science / Software Engineering or equivalent field • Independent but knows how to be professionally dominant in a team • Demonstrated fluency with AI coding tools (e.g., Claude Code, GitHub Copilot,) as a genuine accelerant in day-to-day engineering not just occasional use Nice to Have • Working with Kubernetes and Docker deployment • Experience with Firebase Services like Functions, Storage and Authentication
BioCatch is the leader in Behavioral Biometrics, a technology that leverages machine learning to analyze an online user’s physical and cognitive digital behavior to protect individuals online. BioCatch’s mission is to unlock the power of behavior and deliver actionable insights to create a digital world where identity, trust, and ease coexist.Today, 32 of the world's largest 100 banks and 210 total financial institutions rely on BioCatch Connect™ to combat fraud, facilitate digital transformation, and grow customer relationships.. BioCatch’s Client Innovation Board, an industry-led initiative including American Express, Barclays, Citi Ventures, and National Australia Bank, helps BioCatch to identify creative and cutting-edge ways to leverage the unique attributes of behavior for fraud prevention. With over a decade of analyzing data, more than 80 registered patents, and unparalleled experience, BioCatch continues to innovate to solve tomorrow’s problems. For more information, please visit www.biocatch.com. We are looking for a Backend Engineer to join our Data Engineering team and build backend components and data-focused infrastructure for large-scale data processing. You will design and maintain core microservices and data pipelines that power our products and provide reliable data sources to teams across the company. Your work will focus on customer-facing features that depend on complex data assets, with an emphasis on reliability, clear SLAs, observability, and flexibility. What you will do Design and implement infrastructure for high-volume data processing Continuously improve performance, cost, and reliability at scale Collaborate with frontend teams on customer-facing features and applications Work with stakeholders across the company to ensure data processes meet their requirements Maintain high engineering standards: testing, observability, clean code, and solid CI/CD practices What you will do • Design and implement infrastructure for high-volume data processing • Continuously improve performance, cost, and reliability at scale • Collaborate with frontend teams on customer-facing features and applications • Work with stakeholders across the company to ensure data processes meet their requirements • Maintain high engineering standards: testing, observability, clean code, and solid CI/CD practices Requirements • 3–5 years of experience in backend development • Strong hands-on experience with Python • Experience building high-scale, low-latency, robust services deployed across multiple AKS namespaces/regions with different configurations • Experience with at least one major cloud platform (Azure preferred) • Advantages / Nice to Have • Experience with modern data platforms – Snowflake / Delta Lake / Iceberg • Experience with distributed data processing (Databricks, PySpark, or similar) • Experience with leadership — team management, project ownership, or task management • Personal Attributes • Ownership mindset and accountability • Passion for performance, scale, and cost-efficiency • Strong communication skills and effective collaboration with cross-functional teams
Daylight is a security services company delivering Managed Agentic Security Services (MASS), including MDR, threat hunting, security data lake, and more, through a fundamentally different architecture than traditional security services providers. Daylight's architecture combines an agentic platform that runs the full cycle from detection to response with security experts from IR and threat hunting backgrounds. The platform collects identity and business context across systems to investigate alerts and continuously learns your environment. Security experts validate decisions, feed insights into the platform, optimize detections, and take over in case of an incident. The result: security teams move from firefighting to strategic work. We're looking for talented Senior Backend Engineer to join us at Daylight Security. This is an opportunity to join early and shape the foundation of our product and infrastructure. You’ll work closely with our product manager and fellow engineers to develop and deliver a fast, intuitive, and secure experience for our users. As one of the first engineering hires, you'll have significant ownership and influence across the stack in a team that embraces AI-native development as a core part of how we build. If you’re excited by solving complex problems, enjoy working in a fast-paced startup, and want your work to have real impact, we’d love to meet you. Responsibilities: • Design, build, and maintain core product features in a high-performance, scalable environment • Leverage AI-native tools and practices to improve velocity, quality, and user experience • Collaborate with cross-functional teams to define, design, and ship new features, ensuring quality and security standards are met. • Contribute to architecture decisions and technical direction • Write clean, maintainable, and well-tested code • Participate in code reviews and help foster a high-quality engineering culture. Requirements: • 3+ years of experience as a software engineer • Strong coding skills in modern languages and frameworks, with a strong understanding of software development principles. • Comfort working in an AI-native environment - whether that’s using AI for development, building AI-powered features, or experimenting with new tooling • Comfortable taking ownership of projects from design to deployment • Experience working in fast-paced, agile environments • Strong problem-solving skills and attention to detail • Excellent communication and collaboration skills #LI-DNI
The opportunity Aura, a revolutionary large-scale mobile platform, is looking for an outstanding and passionate Senior Backend Engineer to join a rapidly growing team. We work in a fast-paced environment, building a content discovery platform used by millions of users. The service enables unique content discovery experiences allowing users to access and find their favorite content in a simple and accessible way. Our team uses the most up-to-date technologies to build a scalable and resilient product that is growing at a high pace. This is a great opportunity for those looking to make a huge impact on a technically challenging product with a huge audience. We value team players with technical excellence and a sense of ownership who know how to choose the right tool for the right task. What you'll be doing • Design, develop, test, deploy, maintain, and enhance large-scale software solutions. • Write clean, highly scalable, and top-quality code that sets industry standards. • Work closely with the Product, Architects, DevOps, and BI. • Continuously learn and stay up to date with emerging trends and technologies in the industry. • Drive innovation by researching and implementing new technologies and best practices within the development team. What we're looking for • 4+ years of experience building the server-side of enterprise-level systems (high-performance, highly available, and scalable systems) preferably in Nodejs. • Hands-on experience with SQL & NoSQL databases such as Postgres/MySQL, Aerospike, Mongo, DynamoDB, Redis. • Good understanding of modern Stream Processing and Event Sourcing paradigms. • Experience in designing and implementation of highly scalable & distributed web applications. • Knowledge & experience with public cloud providers like AWS, Azure, Google. • Experience working with AI agents and agentic coding concepts. You might also have • Experience with microservices and Kubernetes. • Experience with workflow orchestration tools such as Airflow or Temporal for managing complex data pipelines. • Hands-on experience with infrastructure as code development such as Pulumi or Terraform. • Deep knowledge of NodeJS. • Previous ad-tech experience. This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate’s relevant experience, professional background, and skill set. Benefits At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance. Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status. While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program Life at Unity Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality. For more information, please visit www.unity.com. Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know. This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English. This posting is intended to fill an existing vacancy, and we are committed to providing applicants with updates throughout the hiring process in accordance with applicable law. Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity. Your privacy is important to us. Please take a moment to review our Prospect and Applicant Privacy Policies. Should you have any concerns about your privacy, please contact us at [email protected].
Description About Cyera Come join the company building the security operating model for the age of AI. AI has changed how data is used — and security must change with it. Cyera's mission is to empower businesses to accelerate AI Adoption by defining a holistic approach to securing AI - from data to access to model. Instead of perimeter controls and static policies, Cyera provides a unified control plane that understands relationships between data, access, and behaviors across humans, systems, and AI. Backed by the world’s leading investors and working with a large and growing list of Fortune 1000 companies, we are looking for world-class talent to join us as we usher in the new era of data and AI security. About The Team We’re looking for a Senior Backend Engineer to join Cyera’s CORE Engineering teams — a small, senior group responsible for the internal foundations on which the entire product is built. This is a high-impact, cross-organization role. Everything you build is used by 200+ engineers and affects every service in production: microservice frameworks, common services, databases, inter-service and cross-cluster communication, build and CI pipelines, deployment flows, and release processes — all at high scale, high speed, and production grade. The scope, priorities, and scale challenges evolve constantly as Cyera grows. You’ll be expected to adapt quickly, make pragmatic technical decisions, and design systems that can evolve without slowing the organization down. This role is ideal for a senior engineer who enjoys working close to the foundations, collaborating broadly, and owning complex systems in fast-changing environments. What You’ll Do • Design, build, and evolve core backend infrastructure with organization-wide impact • Own shared frameworks, services, and libraries used across the company • Work closely with multiple product teams as requirements, scale, and constraints change • Continuously improve systems to support growth, new use cases, and increased scale • Take full ownership of production systems, from design through deployment and operation Core Frameworks • Build and evolve Cyera’s NestJS service framework and shared modules • Design and maintain application-level Kafka infrastructure and usage patterns • Contribute to and maintain Cyera’s TypeORM integration and internal fork • Implement and enforce global exception handling and service standards • Help define and evolve deployment standards across services Production & Scale • Own production-grade backend components designed for continuous growth and change • Design and evolve autoscaling mechanisms for async and event-driven workloads • Debug and resolve complex production issues across services • Improve database performance, scaling strategies, and migration safety • Continuously refine monitoring and alerting as system behavior evolves Architecture & Cross-Team Collaboration • Collaborate with DevOps and product teams on evolving infrastructure architecture • Ensure alignment between application code and continuous deployment infrastructure • Act as a technical partner to product teams building on CORE infrastructure • Participate in company-wide discussions on engineering standards and best practices Release & Delivery • Contribute to and improve the company’s release processes • Support teams with safe, optimized migrations during continuous growth What You Bring • 6+ years of experience in backend or core systems engineering • Strong experience building and operating large, evolving production systems • Proven ability to work effectively in fast-changing, ambiguous environments • Experience contributing to or owning shared frameworks, platforms, or internal tooling • Solid understanding of CI/CD, production operations, and observability • Strong collaboration skills and comfort working across many teams • High sense of ownership and responsibility for system outcomes Nice to Have • Experience in high-growth startups or scale-up phases • Background in CORE / infrastructure / internal engineering teams • Kafka-heavy or event-driven architectures • High-scale PostgreSQL environments • Familiarity with NestJS, TypeORM, or similar backend frameworks • Experience supporting large (200+), fast-growing engineering organizations Why Join Cyera’s CORE Team? • Everything you build impacts the entire engineering organization • Work at the technical heart of a rapidly growing company • Solve problems that only exist at real scale and velocity • Collaborate closely with senior engineers and leaders across Cyera • Build foundations that allow the company to grow faster and safer
Description RealPlay LTD is a fast-growing and innovative startup in the Gaming industry. We specialize in developing innovative, high-energy games. Our team is passionate about crafting immersive gaming experiences and pushing the boundaries of technology. At RealPlay, you’ll find a collaborative and creative work environment. We're passionate about creating engaging, data-driven digital experiences that delight and inspire players across the globe. We're looking for a talented and passionate Backend Engineer who can take full ownership of features -across infrastructure, backend logic, and API design - and work closely with the frontend to deliver exceptional user experiences. Responsibilities ● Design, implement, and maintain backend services using NestJS ● Work withDB and Redis to build efficient data models and caching strategies ● Manage background processing with BullMQ ● Collaborate with frontend engineers working in React ● Own features from infrastructure to UI: design, develop, test, deploy, and monitor ● Contribute to architecture decisions and help shape our technical roadmap ● Work in a cloud-native environment and manage deployments, configuration, and scalability. Requirements ● 3+ years of experience with NodeJS, NestJS, Postgres, Redis, and job queues ● Strong understanding of system design, scalability, and performance ● Ability to take ownership of end-to-end feature delivery, including frontend integration Nice to Have: ● Cloud experience (e.g., AWS, GCP, or Azure) ● Experience with Terraform and infrastructure as code ● Experience with Amazon Aurora ● Familiarity with dbt or other data engineering tools ● Understanding of data pipelines, ETL, and materialized views ● Experience working with data warehouses (e.g., BigQuery, Redshift, Materialize)
Description RealPlay LTD is a fast-growing and innovative startup in the Gaming industry. We specialize in developing innovative, high-energy games. Our team is passionate about crafting immersive gaming experiences and pushing the boundaries of technology. At RealPlay, you’ll find a collaborative and creative work environment. We're passionate about creating engaging, data-driven digital experiences that delight and inspire players across the globe. We're looking for a talented and passionate Backend Engineer who can take full ownership of features -across infrastructure, backend logic, and API design - and work closely with the frontend to deliver exceptional user experiences. Responsibilities ● Design, implement, and maintain backend services using NestJS ● Work withDB and Redis to build efficient data models and caching strategies ● Manage background processing with BullMQ ● Collaborate with frontend engineers working in React ● Own features from infrastructure to UI: design, develop, test, deploy, and monitor ● Contribute to architecture decisions and help shape our technical roadmap ● Work in a cloud-native environment and manage deployments, configuration, and scalability. Requirements ● 5+ years of experience with NodeJS, NestJS, Postgres, Redis, and job queues ● Strong understanding of system design, scalability, and performance ● Ability to take ownership of end-to-end feature delivery, including frontend integration Nice to Have: ● Cloud experience (e.g., AWS, GCP, or Azure) ● Experience with Terraform and infrastructure as code ● Experience with Amazon Aurora ● Familiarity with dbt or other data engineering tools ● Understanding of data pipelines, ETL, and materialized views ● Experience working with data warehouses (e.g., BigQuery, Redshift, Materialize)
Description Plus500 is a world-leading online trading platform with hundreds of thousands of active users placing millions of trades a month. Our mission is to disrupt the age-old trade markets by building digital technologies that make trading around the world accessible and more efficient. What to Expect - The Role We are looking for a highly motivated backend software engineer specializing in creating high-scale, distributed backend systems. You must demonstrate strong software engineering skills, excellent interpersonal communication, extreme ownership, and the ability to accept and give meaningful technical feedback. You will be responsible for designing architecture, writing correct, robust code, maintaining and improving existing functionality, and shipping new features. You will work as part of a Scrum-Agile cross-functional team and collaborate with front-end engineers, quality engineers, product managers, and more. The platform you help us build will scale novel functionality to millions of Plus users worldwide. Our team strives to set the bar for real-time, high-scale, mission-critical trading systems. We want to work with people who are excited by this goal and have the talent to deliver on it. What You’ll Do - Responsibilities • Design and build scalable, high-availability mission-critical systems and APIs • Drive the migration of large-scale, distributed trading services towards cloud-native microservices • Solve problems using distributed, asynchronous messaging • Tackle technical challenges - performance, fault-tolerance, security, and live production issues • Work closely with product, DevOps\SRE, and infrastructure teams - we practice full-cycle development where developers own and operate what they build. • Mentor Jr engineers as a Senior member of the team Requirements • 5+ years of building SaaS applications, preferably in a service-oriented architecture • Bachelor’s Degree in Computer Science, Software Engineering, or equivalent. • Expertise in modern web development frameworks, C#, Java, or equivalent. • Experience in writing optimized SQL and working against various different datastores. • Demonstrated success with scalable web applications or messaging systems • Experience with web security is a plus. Compensation and Benefits Along with competitive pay, as a full-time Plus employee, you are eligible for the following benefits: • Yearly Bonus and RSU grants based on performance • Online\On-Site Courses, attend public conferences, and many other growth and learning opportunities. • Health Insurance • Gym, Pilates, Yoga, and others • Cibus\10Bis • Tickets to our sponsored team's games • Social events Where you'll be • We offer a hybrid work policy : 3 on-site plus 2 flexible days. • Work is located at the Tel Aviv R&D Center. Plus500 is a publicly listed company, we welcome you to read and learn about our business strategy, strengths, and results on our investor relations page.
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