Backend Developer jobs in Israel

We're looking for exceptional and experienced Senior Backend JavaScript Developers to join our team, with deep expertise in Node.js and building production-grade backend services. In this role, you will take end-to-end ownership of product and feature development, building SaaS applications and services in a microservices architecture, using modern technologies in a fast-paced and professional environment. Tech Stack: Node.js, JavaScript, MongoDB, Kubernetes, Redis (including Redis Streams) Responsibilities End-to-end feature development, from design and implementation to production rollout and ongoing improvements. Build and operate backend services with a strong focus on scalability, reliability, and performance in a microservices environment. Participate in system design and architecture planning, and contribute to technical decisions across the team. Work with asynchronous, message-driven components using Redis Streams, including debugging, tuning, and ensuring resilient processing. Write high-quality, maintainable code with appropriate test coverage; participate actively in code reviews. Collaborate effectively with teammates and cross-functional stakeholders to deliver high-impact outcomes. Continuously learn, adapt, and stay up-to-date with best practices and evolving technologies.

Who We Are Hi, we're DuckDuckGo, the online protection company and remote-first team of 400+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, our annual revenue is in the hundreds of millions USD and millions use our browser on Mac, Windows, iOS, and Android, our search engine, and the DuckDuckGo subscription. We also offer private, useful, and optional AI, including Duck.ai, which lets you chat privately with ChatGPT, Claude, and other AIs, all in one place. Our culture of trust, inclusivity, and empowered project management underpins everything we do, where each team member takes full ownership of their projects, from scoping and execution to postmortem. If you're seeking end-to-end ownership of your work, you've come to the right place! Your Team and Role Working on the Backend Functional Team, you'll lead complex projects across key company-wide objectives. Using Perl (Version 5), Go, and Node.js, you’ll write pragmatic, performant, testable code that works consistently, and work on related projects. Recent projects include: • Implementing AI-assisted answers and integrating them into our Search product while maintaining our privacy-first approach • Delivering improvements to Duck.ai to help us make it a competitive AI chat alternative for both free and paying users • Implementing sophisticated data processing pipelines that maintain search relevancy As a Senior Backend Engineer, you'll collaborate remotely with your peers and take responsibility for solving product issues impacting our all-in-one privacy solution, whether large or small. In time, you'll formally mentor other engineers, supporting their career growth and the growth of the Backend Team at DuckDuckGo. About You • 7+ years of professional experience, primarily focused on backend systems that power consumer-facing products • Product acumen to reason about technical tradeoffs in terms of user impact • Familiarity with AI agent tooling: evaluation frameworks, RAG pipelines and prompt engineering • A fundamental understanding of complex data structures and algorithms — you can develop and apply new solutions and confidently navigate and improve existing code. • Data-driven analytical skills for decision-making, stakeholder alignment, and experiment-oriented delivery • Solid project management abilities • Excellent written and verbal communication to validate and articulate decisions • Previous experience leading and mentoring experienced engineers, supporting their career goals, and unlocking their potential. Compensation This role is paid on a regional pay scale, in local currency, and stock options: • United States: $190,500 USD annually • United Kingdom: £134,600 GBP annually • Canada: C$253,500 CAD annually • Europe/Rest of World: €157,350 EUR annually In Spain, pay is expected to transition to the EUR scale on January 1, 2027, and in other Europe/Rest of World countries on February 1, 2027. Compensation is transparent across the organization, and all team members within the same professional level and global region receive the same compensation. Eligibility for company-sponsored health benefits is limited to team members based in the United States. This program does not extend to team members located in other countries, such as Canada or the UK. Our Team Member Support Guide explains how we prioritize your wellbeing including paid parental leave, office setup, and co-working allowances. Hiring Process Hiring works best when it's a two-way street. Learn how we help you get to know DuckDuckGo, envision your future role here, and find out more about how we hire. Diversity, Equity and Inclusion DuckDuckGo provides equal work opportunities to all team members and applicants, and it prohibits discrimination and harassment of any type on the basis of race, color, ethnicity, caste, religion, age, sex (including pregnancy), national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by our policies or federal, state, or local laws. We want to ensure that our hiring process is accessible. If you need reasonable accommodation for any part of the application process because of a medical condition or disability, please send an email to [email protected] to let us know the nature of your request. Please note that: • You’ll be required to attend meetings on camera via video conferencing • Expect to travel at least two times a year: once for our all-hands meetup and again for a team retreat (each around 4-5 days). While extenuating circumstances may impact attendance, everyone is strongly encouraged to attend. • While we offer a flexible work arrangement with no core hours, expect an average full-time commitment of 40 hours per week. • A successful candidate must pass a background check as a condition of joining the team. • By applying for this role, you confirm that all information submitted is accurate and complete. You further acknowledge that providing false or fraudulent information during the application process is cause for denial of an offer, revocation of any existing offer, or other adverse action, up to and including termination after the start of your commencement of work. Disclosure Statement: Use of AI in Hiring Process As part of our commitment to enhancing our recruitment process, we utilize artificial intelligence (AI) technology to assist in reviewing and summarizing job applications and test projects, including those tools integrated into our recruitment vendor platforms. We use AI to flag potentially fraudulent applications, analyze and summarize applicants’ experience, interviews, and project performance, and help streamline our selection process. Key Principles: • Data Privacy: All information provided in your application will be handled in accordance with our Recruiting Privacy Policy. We ensure that your personal information is protected and used solely for recruitment purposes. • Human Oversight and Accountability: The AI technology is designed to support our hiring team by providing insights and summaries of applications and evaluations of test projects against scoring rubrics. All final evaluations and hiring decisions, however, will be made by our hiring team, who will consider the AI's input alongside other factors. • Transparency: We believe in transparency regarding our hiring practices. If you have any questions about how AI is used in our recruitment process, please feel free to reach out to us. By submitting your application, you acknowledge and consent to the use of AI technology in our review process. If you would like to request an alternative selection process, please contact us at [email protected]. Thank you for your interest in joining DuckDuckGo! #LI-DNI

About Fundamental Fundamental is an AI research lab pioneering the future of enterprise decision-making. Our flagship model, NEXUS is the world's most powerful Large Tabular Model (LTM) - purpose-built for the structured records that contain trillions of dollars in business value. With $275m in funding from leading investors and trusted by Fortune 100 companies, Fundamental is giving businesses the Power to Predict. At Fundamental, you'll work on unprecedented technical challenges in foundation model development and build technology that transforms how the world's largest companies make decisions. This is your opportunity to be part of a category-defining company from the ground-up. Join the team defining the future of enterprise AI. About the role In this role, you'll develop, and productize data science capabilities that enhance and expand our product performance on real enterprise use cases - working across a wide range of prediction tasks, data types, and business domains. You'll go deep on hard data science problems, collaborate closely with R&D on product capabilities, and ship production-grade work that has a direct impact on Production use cases. Key responsibilities • Own the reliability, performance, and scalability of Extensions capabilities end to end • Design and build distributed workflows that are efficient, reproducible, and observable in production • Collaborate closely with Data Scientists on the team to deeply understand requirements and translate them into engineering decisions • Identify and resolve performance bottlenecks, ensuring Extensions capabilities meet the latency and throughput demands of enterprise deployments • Contribute to architectural decisions around how Extensions integrates with the broader NEXUS backend • Write clean, well-tested Python code and hold a high bar for code quality across the team • Contribute to internal engineering documentation and help establish best practices for backend development within the team Must have • 5+ years of backend engineering experience, with a strong focus on Python • Excellent Python skills - you write clean, idiomatic, well-tested code and know the language deeply • Solid experience designing and operating distributed systems at production scale • Strong understanding of concurrency, task execution, and workflow orchestration patterns • Experience building systems that are reproducible, observable, and easy to debug in production • Ability to work closely with non-engineering counterparts and translate complex requirements into reliable implementations • Strong ownership mindset - you drive work end to end and care about outcomes, not just output Nice to have • Hands-on experience with workflow orchestration systems such as Temporal, Dramatiq, Celery, or equivalent • Familiarity with ML infrastructure or experience working alongside data science teams • Experience with high-throughput data processing pipelines • Exposure to Kubernetes and container-based deployment environments • Background in performance profiling and optimization of Python services Benefits • Competitive compensation with salary and equity • Comprehensive health coverage for you and your dependents • Paid parental leave for all new parents, inclusive of adoptive and surrogate journeys • Relocation support for employees moving to join the team in one of our office locations • A mission-driven, low-ego culture that values diversity of thought, ownership, and bias toward action

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.

About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We’re looking for a Senior Backend Software Engineer to help develop our hyperscaling platform. We have a lot of tasks on Golang and little less on Java and Python. You're welcome to work from our offices in Prague, Amsterdam, London, Tel Aviv or Berlin— hybrid or remotely. In this position, your responsibility will be to: Developing fault-tolerant, reliable cloud services: cloud infrastructure, managed databases, managed Kubernetes, billing, monitoring systems, ML service and more. We expect you to have: • 5+ years of professional software engineering experience • Excellent knowledge of Golang or you are ready to quickly switch to this programming language • Ability to write reliable code and dig into complex problems • Teamwork-oriented approach It would be an added bonus if you had: • Experience designing high-load and scaling services We conduct coding interviews as part of the process. #LI-ET2 Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

Description Location: Israel, Remote About Us: Sawmills.ai is leading the charge in transforming observability for today's data-driven world. As a well-funded seed-stage company founded by experienced entrepreneurs with a track record of building successful ventures, we are developing a solution to address some of the most pressing challenges in modern observability. Job Description: As a Backend Engineer at Sawmills.ai, you will lead the design and development of our Telemetry Data Management Platform. This pivotal role involves crafting scalable backend systems that integrate seamlessly with open technologies like OpenTelemetry, ensuring our platform remains at the cutting edge of observability solutions. Responsibilities: ● Develop and scale the backend of our Telemetry Data Management Platform, emphasizing compatibility with open technologies such as OpenTelemetry. ● Architect systems that process and analyze vast amounts of machine data efficiently. ● Actively participate in strategic planning and the development of technical roadmaps. ● Work closely with the founders to ensure features meet customer needs and are delivered to a high standard. ● Collaborate with the team to enhance integration with widely-used observability tools, ensuring robust and flexible data ingestion and analysis capabilities. ● Advocate for and implement best practices in open-source software development, contributing to the open-source community where applicable. ● Monitor, troubleshoot, and optimize system performance and reliability. ● Lead and mentor a team of developers, fostering a culture of technical excellence and innovation. ● Stay abreast of new technologies and techniques in backend development and observability platforms. Requirements Qualifications: ● BSc in Computer Science, Engineering, or a related field. ● Over 10 years of experience in backend development, with a strong background in handling large-scale data systems. ● Expertise in programming languages like Go, Rust, Java, or Python and a proven track record in building scalable server architectures. ● Experience with open-source technologies and standards, particularly OpenTelemetry, is highly desirable. ● Familiarity with cloud services, microservices architectures, and continuous integration/continuous deployment (CI/CD) pipelines. ● Strong analytical and problem-solving skills. ● Excellent communication and leadership skills. What We Offer: ● A competitive salary and significant equity in a fast-growing startup. ● The chance to be a founding member, shaping the company's culture and product direction. ● Comprehensive benefits package including health insurance and wellness programs. ● Access to the latest tools and technologies. ● Opportunities for professional growth and development in a supportive and collaborative environment.