Backend Developer jobs in Ramat Gan

Description OX Security is securing the AI-driven SDLC from prompt to production. We're building the next generation of security technology for a world where AI is changing how software is built, deployed, and attacked. We're looking for a strong Senior Backend Engineer to join VIBESEC, the team building our AI security products. This is one of the most exciting places to be at OX right now: a brand-new product, in a domain that changes every day, with real customers already shaping what we build next. You'll join a small, senior, globally distributed team of six engineers across Europe, Israel and Argentina. You'll own features end to end, from the first conversation with Product through design, build, and production. Because the domain is new, your technical judgment will shape the architecture rather than follow it. If you want to build something genuinely new, at the point where AI and security meet, let's talk. Responsibilities What You'll Be Doing • Design and build the backend of our AI security products in Node.js and TypeScript, running across cloud environments and endpoints • Own features end to end, from business requirements through architecture, implementation, delivery and production quality • Work closely with Product and directly with customers, turning fast-moving business needs into robust technical solutions • Partner with Product, Design, and other engineering teams on complex cross-company projects • Make and defend architectural decisions in a domain with no established playbook, where the right answer this quarter may not be the right answer next quarter • Set the technical bar for a senior team, and raise it through code reviews, design discussions and examples Requirements What We're Looking For • 6+ years of hands-on backend development experience • Strong, production-level experience with Node.js and TypeScript (must-have) • Proven ability to design and deliver solutions for complex, distributed systems • Strong ownership and accountability, with high independence and the ability to manage multiple stakeholders • A track record of taking features from requirement to production, with production-grade code • Comfort with ambiguity and rapid change, and the judgment to know when to move fast and when to build for the long run • Excellent English and strong communication in a fully distributed team • The "AI-First" Spark: You are an early adopter of AI technologies and are passionate about finding ways to use AI to improve developer experience and system performance. Bonus Points for : • Experience with microservices architecture • Background in cybersecurity or endpoint agent development • Experience delivering customer-value-driven products in fast-paced startup environments • Hands-on work with LLMs, AI agents or AI-powered product features Benefits Package • Hybrid Work mode - 2-3 days in the office • Unlimited Paid Time Off (PTO): We offer unlimited vacation because we trust you to take time when you need it and to manage your time effectively. We value work-life balance and want you to recharge. • Cibus • Gifts on your birthday & Holidays.

Description Duve is a fast-growing hospitality tech company transforming how hotels and vacation rentals connect with their guests. Our platform helps them deliver personalized, digital guest experiences at scale from the moment a booking is made and throughout the entire stay. Founded in 2016 and headquartered in Tel Aviv, Duve is trusted by 1,000+ customers across 70+ countries, serving millions of travelers worldwide. Following a $60M funding round, Duve is entering its next phase of growth, with AI playing a central role in the evolution of our platform. As we continue to expand globally, we’re investing in advanced technology to shape the future of guest experience and how hotels and vacation rentals operate and connect with their guests. About this Role As a Senior Backend Engineer On our Platform team, you’ll play a key role in designing and building Duve’s modern, scalable Node.js platform. You’ll work on a high-scale, high-throughput Cloud based SaaS B2B2C system integrated with some of the biggest names in hospitality. Our platform processes millions of events across booking channels, hotels, and guests-and runs 24/7 to power mission-critical workflows that our customers and the entire Duve ecosystem depend on. You're great fit If you are • A great person, an independent worker and a team player • A fast learner with a desire to work on high scale, mission critical systems. • Love complex challenges and you’re a problem solver • Love building new things and improving existing ones • Fluent in English and a great collaborator working with 3rd party partners Requirements • 6.5+ years of professional software engineering experience, with strong depth in Node.js backend development. • 2+ years working with MongoDB and Redis in production environments. • Deep understanding of system design of high scale high throughput, distributed systems. • Deep understanding of SDLC, SOLID principles, clean code and refactoring • Hands‑on experience with message queues (Kafka/RabbitMQ or similar). • BSc in Computer Science or equivalent education or military experience from a technological unit. • Experience with React.- Nice to have What you'll do • Design and build high quality scalable microservices and infrastructure that works with dozens of third parties APIs sending and receiving millions of events. • Collaborate with engineers from third party companies to build additional integrations with many types of providers and their APIs. • Mentor developers via code reviews and contribute to technical architecture decisions • Optimize MongoDB performance by improving query patterns, indexes, and schemas; use Redis for caching and performance‑critical paths. • Troubleshoot bugs, refactor code for scalability, and ensure high responsiveness through performance tuning.

Nanit is moving families beyond overwhelm by transforming how parents understand their baby's early years. We combine advanced AI, real-world data from billions of sleep hours, and clinical expertise to deliver the clarity and confidence every parent deserves. Trusted by over one million families and backed by $125M in funding, we're building an entirely new category: predictive parenting intelligence. Here, your work directly impacts millions of families. Our team of scientists, engineers, and parents is small but mighty - we share a mission to make early childhood easier, healthier, and more connected. If you want to work on technology that genuinely matters, join us. As Backend Platform Team Leader at Nanit, you'll lead the Platform pod. The pod owns our shared backend infrastructure (Kubernetes, Redpanda (Kafka), RabbitMQ, CI/CD, observability, and more), and it builds the tools, architecture and agentic workflows that let engineers in every other pod ship faster and more safely, at our growing scale The role has two parts. As Pod Lead, you own the pod's direction, planning, delivery, and working process. As People Manager, you own the growth and performance of 3–4 direct reports, some of whom may work in other pods. What you'll be doing - • Infrastructure Ownership: Keep our shared infrastructure reliable, secure, and cost-efficient, and make every change to it safe and well planned. • Architectural Evolution: Lead multi-quarter programs that reshape our backend, and migrate services onto them safely. • Reliability: Make sure problems surface early, and drive incidents to their real root cause. • Direction and Delivery: Maintain one clear, prioritized plan that you know in depth, and run a predictable team. • Planning and Delivery: Own sprint and quarter planning. Maintain one clear, prioritized plan that you know in depth, and run a predictable team. • Pod Process: Follow the PDLC, uphold the company's working processes and policies, and continuously shape and improve how the pod works. • Technical Ownership: Know the pod's systems and how they fit together deeply enough to reason about them with confidence, guide design decisions, and challenge assumptions. • People Leadership: Set clear goals and expectations, give honest feedback, invest in each report's growth, and stand behind your people. Where your reports work in other pods, stay aligned with those pod leads. Who you are - • Professional Experience: At least 6 years of backend development, with significant architecture or platform work, plus proven experience as a people manager, leading a team's execution and delivery. • Technical Proficiency: Deep Kubernetes and AWS experience (EKS, EC2, RDS, S3), including cloud cost drivers. Hands-on experience with Redpanda (Kafka), RabbitMQ, CI/CD, infrastructure-as-code, and Grafana/Prometheus. • Problem Solving: You can reason through an unfamiliar problem out loud and outline sound solutions with their trade-offs. • Who You Are: • Agency: You don't wait to be told. You find what's broken or missing and move it forward. • Passion for the Craft: You love backend engineering and care how things work under the hood. • Purposeful Leadership: You know why you lead, and you see leadership as responsibility for other people's success. • Depth and Clarity: You go deep into the details and explain things simply. • Growth Mindset: You seek feedback and turn it into visible change. What We Offer - • Ownership of the foundation every Nanit backend team builds on. • Impact on a platform that improves the lives of millions of parents around the world. • Ownership of high-scale, modern systems that every Nanit backend team builds on, and the chance to shape their future. • A leadership team that invests in developing its managers. • A culture of continuous learning and balance. • A clear growth path for strong leaders. Join us as a Backend Platform Team Leader and help shape the foundation of Nanit's backend. Why Nanit? • Nanit products can actually change lives. We’re an integral part of the lives of new parents, making an exciting but stressful time a little more manageable. • We are international and believe our diversity makes our culture, products, and brand even better. • We invest in our people. We consider each employee a long-term investment and we see value in continuously helping them to advance in their lives and careers • Nanit is a fun, collaborative group of hard workers! We believe in an appropriate work-life balance and offer a flexible, open environment. • We are at the forefront of innovation, creating products and services that have never been seen before. We are proud to be an equal-opportunity employer. We provide employment opportunities without regard to age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, veteran status, or any other protected class. #Hybrid

Description Shield is a global startup with offices in TLV, NYC, LDN, and LIS. We're looking for a Senior Backend Engineer who will join our team and make a big impact. About the role You'll join a small, high-ownership backend team building the systems that power Shield's core platform, working mainly on data pipelines with a focus on the quality and structure of the data itself. We believe great engineers come from all backgrounds, and we actively work to build a team where everyone belongs and thrives. What you'll do • Design and implement new flows and services • Maintain, improve, and extend existing backend services and APIs • Work with multiple data stores - relational, NoSQL, search (Elasticsearch, etc.) • Maintain and build event-driven pipelines using message brokers (Kafka, RabbitMQ, or similar) • Collaborate with product and architecture on scalable, resilient system design • Integrate and leverage AI tools in your daily workflow - and ideally, build them Requirements What we're looking for • 4 - 8 years of backend engineering experience • At least 1 year with Java; additional years in any backend language (Go, Python, C#, TypeScript, etc.) • Hands-on experience with data stores (e.g. MySQL/PostgreSQL, MongoDB, Elasticsearch, Redis) • Familiarity with event-driven architecture and at least one message broker • Cloud experience (AWS, GCP, or Azure) • You use AI tools daily - and if you've built AI agents, even better • Data engineering background is a plus, but not required Who you are • Collaborative, communicative, and ownership-driven • Curious and self-directed - you push to understand the why, not just the what • A self-learner who takes initiative, owns their work end-to-end, and brings a can-do attitude More information about Shield: Shield is the industry’s most comprehensive digital communications governance and archiving solution, purpose-built for financial institutions. Named a Visionary by Gartner, Shield’s platform blends AI innovation with deep regulatory expertise to simplify compliance, strengthen security, and unlock efficiency. Trusted by leading global financial institutions, Shield works closely with its partners to help compliance teams uncover hidden risks, prevent financial crimes, and protect both people and markets. . With operations across key financial hubs worldwide, we support customers wherever they operate, navigating complex regulatory environments with confidence. At our core, we’re focused on building trust: protecting market integrity and creating a world where communication is understood and accountable. Our work has been recognized by industry leaders and analysts, including Deloitte Fast 500, Dun & Bradstreet’s Top 20 Companies, Regulation Asia Awards, and RegTech Insight Awards Europe-reflecting our impact, growth, and commitment to excellence. If you’re ready to make a real impact at a fast-growing, mission-driven company working with the world’s leading banks to redefine communication governance and compliance - this is the place for you.

Description We are looking for a skilled and motivated Senior Python Backend Engineer to join our Surveillance Engineering team. The ideal candidate will have a deep understanding of software development and technical expertise. This is a hands-on role for someone who wants both depth and ownership: you'll design and build complex components, drive architecture and technology-selection decisions, and stay close to the product in production. The position requires strong collaboration and communication skills as you will be working alongside engineers, data scientists, and domain experts. About the Surveillance Group: The Surveillance group at Shield builds and operates advanced AI solutions. Our team is composed of engineers, data scientists and subject matter experts who work together to deliver a high-quality, production-ready Surveillance product. We push the boundaries of what is possible and measure ourselves by the impact we deliver to our clients. Let’s get down to business: What You'll Do: • Design, build and maintain the software infrastructure and solutions that make up our Surveillance pipeline, combining classic machine learning models and GenAI models with complex business logic and analytical components. • Own significant architecture decisions and evaluate and select the technologies we build on. • Solve complex engineering problems end to end, from investigation and design through implementation and rollout. • Collaborate with engineers, data scientists and subject matter experts to deliver high-quality, production-ready that are fully integrated and scalable. • Support the product in production: investigate issues, improve observability, and make the system easier to run. • Build and operate services in containerized environments (Docker, Kubernetes) on AWS. • Hold a high engineering bar: meaningful unit tests, solid CI/CD following best practices. • Keep current with developments in software engineering and production ML infrastructure. Requirements Experience and Skills: • 5+ years of professional Python development experience - MUST • Proven experience designing software architecture for production systems - MUST • Strong analytical and problem-solving skills, including the ability to reason about and improve existing systems. • Strong background in Linux and containerized environments (Docker, Kubernetes) - MUST • Hands-on experience with AWS. • Experience with distributed data and messaging technologies such as Elasticsearch/OpenSearch, Kafka, RabbitMQ, and Redis • Experience with unit testing and CI/CD practices. • Experience running and supporting production environments • Experience working closely with Data Science teams - Advantage • Excellent communication skills and a genuine team player. • Self-motivated, results-oriented and well organized. More information about Shield: Shield is the industry’s most comprehensive digital communications governance and archiving solution, purpose-built for financial institutions. Named a Visionary by Gartner, Shield’s platform blends AI innovation with deep regulatory expertise to simplify compliance, strengthen security, and unlock efficiency. Trusted by leading global financial institutions, Shield works closely with its partners to help compliance teams uncover hidden risks, prevent financial crimes, and protect both people and markets. . With operations across key financial hubs worldwide, we support customers wherever they operate, navigating complex regulatory environments with confidence. At our core, we’re focused on building trust: protecting market integrity and creating a world where communication is understood and accountable. Our work has been recognized by industry leaders and analysts, including Deloitte Fast 500, Dun & Bradstreet’s Top 20 Companies, Regulation Asia Awards, and RegTech Insight Awards Europe-reflecting our impact, growth, and commitment to excellence. If you’re ready to make a real impact at a fast-growing, mission-driven company working with the world’s leading banks to redefine communication governance and compliance - this is the place for you.

Description We're looking for a hands-on Senior Backend Engineer to join the App Studio & Intelligence team within Earnix's GenAI Group. Our group builds the company's core Generative AI products — including a company-wide agents platform and customer-facing AI assistants — enabling teams across Earnix and our customers to design and deploy AI-driven solutions. In this role, you'll design and build scalable microservices and cloud-native infrastructure at the heart of our GenAI applications, working with advanced AI capabilities such as knowledge bases, embeddings, LLM orchestration, agent frameworks, and evaluation systems. You'll be a senior technical voice on the team — owning complex features end-to-end, raising the engineering bar, and shaping how AI capabilities are delivered in production. What You'll Do Design, build, and own backend services and infrastructure for our GenAI applications — scalable, resilient, production-grade systems running on AWS. Build the APIs, data pipelines, and backend integrations that power advanced AI capabilities, including knowledge bases, embeddings, LLM orchestration, agent workflows, and evaluation frameworks, with attention to performance, scalability, and security. Lead complex design efforts — driving architecture discussions, design reviews, and technical decisions for significant areas of the system. Collaborate closely with product, data science, and other engineering teams to translate business needs into robust backend solutions that enable AI-agent use cases. Raise the engineering bar through code reviews, mentoring less experienced engineers, and championing best practices in quality, observability, and operational excellence. Take ownership of production health, including monitoring, alerting, troubleshooting, and continuously improving system reliability. Requirements You'll do it using: 5+ years of backend engineering experience building and operating production systems at scale, with a strong sense of ownership from design through deployment and operations. Deep expertise in microservices architecture, API design, and distributed systems, with cloud-native design experience on AWS (or GCP/Azure) using Kubernetes and Helm. Proficiency in Python for building scalable backend services, with a focus on clean, production-grade code and seamless integration of AI components. Hands-on experience integrating Generative AI into backend systems, including LLMs, knowledge bases, and agent frameworks, plus familiarity with tooling such as AWS Bedrock, LangChain/LangGraph and vector databases. Solid experience with data and messaging technologies — SQL/NoSQL databases, caching layers, and message brokers such as PostgreSQL, Redis, Kafka, RabbitMQ, and Elasticsearch. Strong command of observability practices, with hands-on experience in tools such as Prometheus, Grafana, or Splunk for monitoring, distributed tracing, and alerting. Fluency in agile development and delivery tooling such as Jira, with a track record of consistently shipping high-quality software in fast-moving environments. You'll Excel By Bringing technical depth and pragmatism — knowing when to invest in elegance and when to ship, and making sound trade-offs under real-world constraints. Communicating clearly with both technical and non-technical partners, and influencing decisions through well-reasoned arguments rather than title. Being curious and adaptable — staying ahead of the fast-moving GenAI landscape and bringing new techniques and tools into the team. Fostering collaboration and trust across product, engineering, and data science teams. Driving a culture of ownership and accountability — treating the system's quality, reliability, and user experience as your own Position Intro Earnix is the first AI company purpose-built for insurance decisioning, providing the industry with the intelligence, governance, and decisioning agility to drive profitable growth, improve resilience, and operate with speed and precision in a rapidly changing risk environment. A trusted provider of production-grade AI and decisioning technology, Earnix builds on more than 25 years of experience in artificial intelligence risk, pricing, rating, analytics, and decisioning. Earnix brings vertical AI into the workflows and decisions that shape insurance performance across insurers’ pricing, underwriting, claims, customer engagement, retention, and other insurers high-value insurance moments. Earnix’s AIOS enables insurers to orchestrate intelligence across the insurance decision lifecycle and drive governed, real-time decisions that deliver measurable business outcomes. Earnix is headquartered in Boston, MA and has been innovating for insurers and banks since 2001 with customers in over 35 countries across six continents and offices in the Americas, Europe, Asia Pacific, and Israel.

Description Coralogix is a modern, full-stack observability platform transforming how businesses process and understand their data. Our unique architecture powers in-stream analytics without reliance on expensive indexing or hot storage. We specialize in comprehensive monitoring of logs, metrics, traces and security events with features such as APM, RUM, SIEM, Kubernetes monitoring and more, all enhancing operational efficiency and reducing observability budget by up to 70%. About the Role We are looking for a Backend / Data Engineer to join our Core Data Pipeline team. In this role, you will be responsible for building and scaling the engine that processes Coralogix’s high-throughput, real-time telemetry data. Our pipeline handles billions of events per second, performing real-time processing, data enrichment, and other transformations. If you thrive on solving high-scale, low-latency distributed systems challenges - this is the place for you. What You’ll Do • High-Scale Engineering: Design, build, and maintain our central data processing pipeline, handling massive volumes of logs and traces at extreme scale. • Transform & Enrich: Architect real-time stream processing systems to perform complex data transformations and enrichments in real time. • Performance & Efficiency: Optimize system throughput, reduce memory footprints, and minimize latency across distributed clusters. • Architecture & Reliability: Take full ownership of feature lifecycles - from design and system architecture to production monitoring and resilience. Our Stack • Scala, Rust, Node.js • Kafka • Kafka Streams / Akka Streams • ClickHouse, Redis • Kubernetes • AWS Requirements • 5+ years of development experience with Scala or another JVM language - MUST. • Extensive hands-on experience with scalable and distributed systems architecture and design. • Extensive hands-on experience with Data Streaming technologies, including Apache Kafka, Spark Streaming, KafkaStreams, or Apache Flink. • Proficiency in data modeling and designing systems to handle large-scale, distributed datasets efficiently. • Experience with containerization and orchestration tools, including Kubernetes and Docker containers. • Strong knowledge of distributed computing paradigms and principles, such as consistency, partitioning, and resilience. • B.Sc. in Computer Science or an equivalent field. Advantage • Production experience in a SaaS environment - Metrics, Logging, Troubleshooting production systems • API development experience with gRPC Cultural Fit We’re seeking candidates who are hungry, humble, and smart. Coralogix fosters a culture of innovation and continuous learning, where team members are encouraged to challenge the status quo and contribute to our shared mission. If you thrive in dynamic environments and are eager to shape the future of observability solutions, we’d love to hear from you. Coralogix is an equal opportunity employer and encourages applicants from all backgrounds to apply.

Description Coralogix is a modern, full-stack observability platform transforming how businesses process and understand their data. Our unique architecture powers in-stream analytics without reliance on expensive indexing or hot storage. We specialize in comprehensive monitoring of logs, metrics, trace and security events with features such as APM, RUM, SIEM, Kubernetes monitoring and more, all enhancing operational efficiency and reducing observability spend by up to 70%. We are looking for a Backend Engineer to join a growing group! Our Alerting backend powers real-time, streaming-based detection at massive scale, processing millions of events per second with millisecond latency to catch issues as they happen. Built with a distributed, event-driven architecture, it supports complex pattern evaluation, dynamic enrichment, and fault-tolerant delivery for mission-critical observability Our Stack • Scala(ZIO) • Kafka Streams / Akka Streams • Kafka • ElasticSearch, Redis • Kubernetes • AWS What You'll Do • Lead the design, development, and evolution of scalable, high-impact systems. • Own features end-to-end, ensuring predictable production behavior from design through deployment. • Solve complex technical challenges at scale using sound engineering principles and modern stream processing technologies. • Collaborate closely with engineers and product managers to continuously improve the product. • Drive both technical excellence and meaningful user outcomes. Requirements • 5+ years of software development experience. • 3+ years of development experience with JVM stack - Java / Kotlin / Scala - Advantage. • 3+ years of experience developing and operating distributed systems in production. • Hands-on experience with observability platforms (Coralogix, Grafana, etc.) • Proven experience in building systems that are highly available and reliable through strong architectural practices, monitoring, and proactive incident management. • Hands-on experience with Data Streaming technologies, including Apache Kafka, Spark Streaming, KafkaStreams, or Apache Flink. • Proficiency in data modeling and designing systems to handle large-scale, distributed datasets efficiently. • Strong knowledge of distributed computing paradigms and principles, such as consistency, partitioning, and resilience. • B.Sc. in Computer Science or an equivalent field. Advantage • Familiarity with gRPC and Protobuf. • Hands-on experience with RocksDB optimizations and tuning • Production experience in a SaaS environment - Metrics, Logging, Troubleshooting production systems Cultural Fit We’re seeking candidates who are hungry, humble, and smart. Coralogix fosters a culture of innovation and continuous learning, where team members are encouraged to challenge the status quo and contribute to our shared mission. If you thrive in dynamic environments and are eager to shape the future of observability solutions, we’d love to hear from you. Coralogix is an equal opportunity employer and encourages applicants from all backgrounds to apply.