Senior Backend Developer - Node.js

GO7 is a pioneering brand that unites a family of companies dedicated to transforming airline technology. Our mission is to innovate and streamline the aviation technology stack, covering booking, ticketing, inventory, and passenger service systems. We are agile, visionary, and focused on reliability, scalability, and groundbreaking advancements.About the RoleWe are searching for a highly independent and inquisitive Senior Backend Developer to enhance our team. This position is perfect for individuals who excel at learning through documentation and exploration, possess a keen interest in how intricate systems communicate, and are passionate about aviation technology.In this role, you will design and implement essential backend services for our aviation-focused platforms. You will navigate various technologies, adopt versatile problem-solving approaches, and significantly contribute to our infrastructure. This hands-on development position includes system design responsibilities, making it ideal for engineers who are proactive, adaptable in programming, and enthusiastic about creating infrastructure that supports large-scale airline operations.What You’ll DoDesign, develop, and maintain scalable, multi-tenant backend services for booking and airline system integrations.Collaborate closely with the Group Architect to ensure sound architectural decisions, system cohesion, and optimal performance.Independently research and comprehend complex backend protocols and documentation in aviation and passenger service systems.Create resilient, production-grade APIs and services that interface with third-party and proprietary airline systems.Work with cross-functional teams, including product and QA, to deliver dependable, secure, and maintainable software.Oversee the complete lifecycle of your services, from design through deployment and monitoring.Contribute to shaping and evolving backend engineering best practices within a high-performance team.

Are you ready to take on a challenging role that allows you to code at the highest level while making a positive impact on people's lives? As a Senior Backend Developer at MyHeritage, you will utilize cutting-edge backend technologies to enhance our platform's server-side solutions. Join a vibrant, informal, and creative work environment at one of Israel's most dynamic companies, where personal and professional development is encouraged. You will engage in continuous integration and deployment processes while collaborating within a unique Agile methodology where every team member's contribution matters. Be a vital part of our team, and help revitalize our online platform, which is cherished by millions of users globally.

At GO7, we are at the forefront of transforming airline technology. Our mission is to modernize and unify the aviation technology stack that spans booking, ticketing, inventory, and passenger service systems. We operate dynamically, think innovatively, and excel at reliability and scalability.About the RoleWe are in search of a self-motivated and inquisitive Senior PHP Backend Developer to enhance our team. This role is perfect for individuals who thrive on learning through documentation and exploration, have a keen interest in understanding the communication within complex systems, and are passionate about aviation technology.In this pivotal role, you will design and implement essential backend services for our aviation-related platforms. You’ll engage with diverse technologies, tackle versatile problems, and be instrumental in enhancing our systems. This hands-on development position involves responsibilities in system design, tailored for engineers who are proactive, adaptable in programming, and eager to construct infrastructure that supports large-scale airline operations.Key ResponsibilitiesDesign, develop, and maintain scalable, multi-tenant backend services for booking and airline system integrations.Collaborate closely with the Group Architect to ensure robust architectural decisions, system coherence, and optimal performance.Conduct independent research to comprehend intricate backend protocols and documentation related to aviation and passenger service systems.Create resilient, production-grade APIs and services that integrate with both third-party and proprietary airline systems.Work in tandem with cross-functional teams, including product and QA, to deliver software that is reliable, secure, and maintainable.Oversee the entire lifecycle of your services, from design through deployment and monitoring.Contribute to shaping and refining backend engineering best practices within a high-performance team.

Role overview jobgether is looking for a Senior Backend Developer with strong Node.js experience. This position is based in Israel and centers on building and refining backend systems that power the company’s products and services. What you will do Develop and maintain backend services using Node.js Collaborate with other teams to deliver solutions that are both reliable and scalable Help shape and improve the backend infrastructure Collaboration This role involves close partnership with colleagues in engineering, product, and other areas to address technical challenges and support new features as they are introduced.

Join Honeycomb InsuranceAt Honeycomb, we are not just developing technology; we are transforming the insurance landscape for the future.In 2025, Honeycomb was honored by Dun & Bradstreet as one of the Top 10 Best Start-Up Companies to Work For in Israel, and recognized by LinkedIn as one of the Top 10 Startups in Chicago.What led us to these achievements? Honeycomb is a fast-growing global startup, strongly supported by leading investors and fueled by an extraordinary team of innovators, creators, and problem-solvers. With dual headquarters in Chicago and Tel Aviv, and offices across the U.S., we are revolutionizing the commercial real estate insurance sector—a field ripe for innovation. We are equally committed to ensuring that every team member feels a profound connection to our mission and to each other.With over $55 billion in insured assets, Honeycomb operates in more than 20 states, covering 60% of the U.S. population and continuously expanding our reach.If you seek a workplace where innovation is cherished, culture holds significance, and talented individuals inspire you to grow daily, Honeycomb might be your ideal destination.

Join our dynamic team at CyberArk as a Senior Backend Developer specializing in Conjur Cloud. We are seeking an innovative and skilled developer who is passionate about building scalable and secure backend systems. In this role, you will contribute to the design, development, and maintenance of our cloud-based security solutions, ensuring high performance and responsiveness to requests from the front-end.

Be a key player at Via, where we are revolutionizing transportation across the globe. Our mission is to make cities smarter, greener, and more connected as we tackle the challenges of modern commuting and environmental sustainability. Join us in our bold vision and contribute your exceptional skills to make a significant impact.As a Senior Backend Engineer in our Tel Aviv R&D team, you will be instrumental in designing, building, and scaling advanced backend systems that facilitate our global operations. You will thrive in a dynamic culture that fosters innovation, collaboration, and agility, where your contributions will enhance the lives of countless individuals and reshape community mobility.

Join Cloudinary, the premier platform for image and video technology that empowers top global brands to create transformative visual experiences. With over 2 million users and 10,000 clients, including renowned names like Apartment Therapy, Bleacher Report, Etsy, Grubhub, Mattel, Mediavine, Minted, Paul Smith, and Peloton, our technology helps bring campaigns, applications, and websites to life.Cloudinary's advanced image and video APIs, bolstered by state-of-the-art artificial intelligence and patented technology, provide a comprehensive solution for brands to effectively manage, transform, optimize, and deliver visual content at scale. Our clients are experiencing impressive benefits, including a remarkable 203% ROI, accelerated time to market, heightened user satisfaction, and significant increases in engagement and conversions.As a Senior Media Processing Backend Engineer, you will become a key member of Cloudinary’s Image team, collaborating with both frontend and backend engineers. Together, we will innovate new features, maintain existing code, and oversee the operation of over 300 production cloud servers.This team is at the heart of Cloudinary’s flagship product, which generates over $100 million in annual recurring revenue (ARR). You will work on our image transformation engine and deep learning systems, processing an astounding 5 billion requests per month (approximately 2000 requests per second). Our client roster includes some of the world's largest brands, who depend on us to deliver media across their websites with various modular transformations, ensuring high fidelity, low bandwidth, and minimal latency.

Join Semperis, where our mission is to be a Force for Good, starting with creating an exceptional workplace. We believe that when our employees feel valued and empowered, they excel in their roles. Our commitment to fostering an environment centered on purpose, growth, and balance has earned us recognition as one of America’s Fastest-Growing Cybersecurity Companies by the Inc. 5000, a DUNS 100 Top Startup to Work For, and multi-year recipients of the Inc. Best Workplace award.Your Role:We are seeking a skilled Backend Software Engineer to become a vital member of our innovative team. In this influential position, you will contribute significantly to our flagship product, driving feature development from conception to production in a dynamic and fast-paced environment.Key Responsibilities:As a Software Engineer, you will lead the development of high-impact features, collaborating throughout the design and implementation phases. Your responsibilities will include coding, data analysis, and ensuring quality and agility in our development processes. You will be instrumental in delivering features that delight both new and existing customers.

Join Our Team as a Senior Infra Backend EngineerCompany OverviewSingular is at the forefront of marketing measurement, serving over 1,000 esteemed global brands such as Apple, Microsoft, Uber, DoorDash, Nike, EA, DraftKings, and Robinhood. For three consecutive years, we've been recognized as the top Marketing Measurement Platform (MMP) by G2. Our platform empowers marketers to optimize user acquisition strategies and evaluate the effectiveness of every advertising dollar through comprehensive marketing analytics, sophisticated cross-device attribution across mobile, web, and console platforms, and elite ad fraud prevention measures. Moreover, our innovative partnerships with AI technologies like ChatGPT, Claude, and Gemini are transforming campaign analysis, providing instant, intelligent marketing insights without the need for complex dashboards or SQL queries.With teams spanning 12 countries and a workforce in 65 cities worldwide, including major hubs like NYC, LA, SF, Austin, Buenos Aires, São Paulo, London, Berlin, Barcelona, Tel Aviv, Bangalore, Beijing, and Seoul, Singular is backed by $50 million from prominent investors such as Norwest Venture Partners, General Catalyst, and Titanium Ventures.As we experience rapid growth, we are eager to welcome ambitious, creative, and innovative individuals to help us excel in the marketing measurement industry.About The RoleWe are looking for a passionate Senior Infra Backend Engineer to enhance our R&D team in Tel Aviv. This role offers a hybrid and flexible working model, allowing you to collaborate with a high-caliber R&D team and advance your professional journey. Our backend infrastructure primarily utilizes Python and Go, but we encourage talented backend engineers from diverse programming backgrounds to apply.Example ProjectsResearching and executing POCs (Proofs of Concept) for new technologies to determine the best fit for system requirements.Efficiently migrating vast amounts of user-level data into Iceberg, focusing on scalability and cost-effectiveness.Designing and implementing a robust data pipeline capable of processing billions of real-time events daily, handling hundreds of thousands of events per second.Evaluating and selecting database and streaming technologies to accommodate our rapidly expanding client base.Leading the design and development of an advanced streaming ETL product optimized for low memory usage and efficient processing.Key ResponsibilitiesCollaborate with cross-functional teams to develop backend solutions that drive business goals.Ensure the reliability and scalability of backend systems.Participate in code reviews and contribute to team knowledge sharing.

At Loora, we are dedicated to transforming the educational landscape and eliminating language barriers through our innovative AI solutions. We have created the first-ever personal AI English tutor, designed to engage users in conversation, provide instant feedback on their English skills, and guide them towards fluency.We are seeking a Staff Backend Developer who will play a pivotal role in shaping the architecture and development of our AI-driven language learning platform. You will be responsible for designing and implementing backend systems that will touch the lives of millions of learners globally. Your work will involve architecting scalable services that enable real-time AI interactions, ensuring optimal performance and reliability while laying the groundwork for future language learning features.Key Responsibilities:Design, develop, and maintain high-performance backend services and APIs (REST and gRPC) to support AI-driven conversational experiences.Create and enhance asynchronous Python applications capable of processing real-time audio/text at scale.Ensure seamless, low-latency integration between mobile and web clients with our AI backend platform.Lead technical decisions regarding system architecture, emphasizing low latency and fault-tolerance.Collaborate with AI/ML, mobile, DevOps, and product teams to provide comprehensive solutions that enhance user experience.Engage in CI/CD workflows to facilitate smooth deployments and uphold high code quality standards.Promote engineering best practices and mentor team members to foster a world-class engineering culture.Optimize system performance and resource utilization, maintaining reliability SLAs for our expanding user base.Qualifications:At least 8 years of experience in designing and developing scalable, distributed backend systems in modern programming languages (expertise in Python is highly valued).Extensive knowledge of Python concurrency and execution models (WSGI, ASGI, asyncio, multiprocessing, threading, GIL).Demonstrated ability to build production-ready asynchronous Python applications that support high-volume traffic.Strong experience with Pydantic and FastAPI in live environments.Proficient in designing and implementing microservices architectures, ensuring scalability and reliability.Familiarity with cloud services (AWS, GCP, Azure) preferred.Strong problem-solving skills and a team-oriented mindset.

About BrandlightBrandlight is at the forefront of redefining enterprise AI visibility. Our platform empowers premier brands to effectively understand, manage, and enhance their presence in the evolving landscape of AI-driven search, commerce, and advertising.As the AI sector rapidly matures into a multi-trillion-dollar marketing avenue, Brandlight is pioneering the frameworks that determine how brands are discovered, trusted, and chosen by consumers.Become a part of our innovative team and contribute to developing next-generation tools that are set to transform brand management in an AI-centric world.About the RoleAs a Senior Backend Engineer at Brandlight, you will play a pivotal role in shaping our backend infrastructure. You will take charge of designing and implementing systems capable of managing billions of data points daily while ensuring high reliability and real-time visibility.This position is ideal for an individual who thrives in complex environments, can swiftly develop solutions from the ground up, and possesses a strong focus on automation to create scalable production-grade infrastructure.ResponsibilitiesDevelop and manage backend infrastructure handling billions of data points daily.Design services that are scalable, reliable, automated, and observable.Implement daily monitoring systems that uphold stringent SLAs.Create parallel execution systems to optimize processing and reporting times.Provide real-time monitoring and alerts for system and data health.Minimize manual efforts through automation and improved tooling.Oversee the delivery process end-to-end from architecture to production and performance.RequirementsMinimum of 7 years of experience in building scalable production systems.7+ years of proficiency in Python, with a focus on writing clean and maintainable backend code.Proven track record of building infrastructure from scratch and managing it end-to-end.Experience in independently launching backend products from design to production.Familiarity with high-throughput data collection and monitoring systems.An automation-first mindset that focuses on reducing manual work through effective tools and processes.Excellent communication skills and the ability to drive execution across teams.A curious, low-ego autodidact with demonstrated leadership capabilities.Why Join Us?At Brandlight, you will not just be part of a team; you will be a key player in shaping a new category in the industry. Your contributions will have a lasting impact on the future of brand management in an AI-driven marketplace.

jobgether seeks a Senior Backend Engineer for a B2B contract role in Israel. This position centers on building and maintaining the backend systems that drive the company’s business-to-business services. Key responsibilities Develop and maintain backend infrastructure to support core business services. Collaborate with teams across the company to design solutions that scale. Optimize backend systems for performance and reliability. Requirements Strong understanding of backend technologies and cloud-based services. Experience applying established software development practices. Ability to work well with both technical and non-technical colleagues. Contract details This is a B2B contract position located in Israel.

Jobgether is recruiting for a partner company seeking a Senior Backend Developer (Node.js) based in Israel. This team creates secure and scalable backend systems that power digital finance products for users around the world. Role overview Design and build backend services and APIs using Node.js Shape infrastructure for financial products with global reach Develop distributed systems, keeping security and scalability at the forefront Work closely with engineers across multiple regions Add new features and support product development for a diverse customer base Lead efforts to boost performance and encourage technical improvements Requirements Strong background in backend architecture and distributed systems Advanced experience with Node.js Ability to tackle complex technical challenges Comfort working in a remote-first setting with autonomy Interest in digital finance and building products that scale Work environment This is a remote-first position based in Israel. The team values initiative, collaboration, and ongoing learning. Senior Backend Developers at Jobgether work alongside skilled engineers and contribute directly to products used by customers worldwide.

About Eleos HealthAs mental health discussions become increasingly open, Eleos Health is committed to revolutionizing behavioral healthcare. Our mission is to empower clinicians with the essential tools they need to provide effective care through the use of data, measurement, and personalization. We strive to eliminate the stigma around mental health and ensure that everyone has access to the support they require.The OpportunityWe are excited to welcome a Senior Backend Developer to our dynamic engineering team. In this role, you will be instrumental in crafting and sustaining the server-side logic and infrastructure that drives our cutting-edge applications.Your ImpactThis role offers the chance to develop foundational systems that enhance how healthcare providers deliver care. Your contributions will support the platform relied upon by thousands of clinicians daily, merging technical challenges with impactful real-world outcomes.Your ResponsibilitiesAudio Processing Pipeline - Design and scale our audio processing infrastructure to manage substantial volumes with minimal latency and maximum reliability.LLM Integration & Production - Collaborate with Data Scientists to instrument, deploy, and operationalize Large Language Models within production environments.Backend Platform - Lead efforts in platformization to establish abstractions, tooling, and frameworks that elevate backend development organization-wide.Modern Tech Stack - Build with Python, FastAPI, Kafka, and Airflow while influencing our technical evolution.Company-Wide Initiatives - Drive initiatives that promote innovation and excellence across the organization.

Join our dynamic team at Wix.com, where we empower millions of users to create stunning websites and applications. As an Expert Backend Developer specializing in eCommerce, you will play a pivotal role in designing and developing robust backend systems that enhance our eCommerce platform. Your expertise will help shape the future of online shopping experiences.

JOIN OUR TEAM AT UNITUnit is at the forefront of embedded finance, delivering innovative financial services that are ready for launch, including banking and capital solutions. We proudly support millions of users through approximately 100 valued partners, such as Wix, Honeybook, and Relay.As seasoned founders with deep technical expertise, we’re dedicated to building a thriving company that we take pride in. Our platform facilitates over $40 billion in transactions annually and handles more than 12 million API calls each day. Backed by over $160 million in funding from top-tier investors like Insight, Accel, and more than 60 angel investors, we are poised for significant growth.Your RoleIn this pivotal position, you will play a crucial role in defining the future of our product and company. You will oversee the development of Unit features from conception to deployment, tackle complex challenges, and collaborate with diverse teams to drive innovation.This is a unique opportunity for the right candidate to contribute to the establishment of an industry-leading company from the ground up.Key ResponsibilitiesDevelop and implement scalable backend services that meet the demands of Unit’s expansive ecosystem.Take ownership of Unit features, managing the entire lifecycle from design through implementation and testing to deployment.Address a variety of complex challenges within a distributed microservices architecture.Collaborate with cross-functional teams to deliver groundbreaking features in Banking, Payments, Cards, and Lending.Create developer-oriented solutions with a strong focus on performance and quality.What We’re Seeking5+ years of experience in backend development within a microservices architecture.Proven track record in building, deploying, and maintaining scalable, testable systems in a cloud environment.Strong understanding of critical production system concepts such as high availability, reliability, and scalability.Familiarity with cloud platforms (e.g., AWS, GCP, Azure).Experience with Continuous Integration and Continuous Deployment (CI/CD).Hands-on experience with Kubernetes is a plus.Knowledge of Scala is an advantage.A passion for Software and Functional Programming is a plus.Experience with ZIO / Cats / Scalaz is an advantage.

Join our innovative team at CyberArk as a Senior Backend Software Engineer, where you'll play a crucial role in designing and implementing cutting-edge software solutions. You will collaborate with cross-functional teams to enhance our security products, ensuring robust functionality and performance.

Engage with innovative technologies and establish yourself as a leader in the industry.Enhance your expertise by collaborating with highly skilled engineers.Address complex challenges and devise inventive solutions.Deploy your code to millions of users daily.Utilize Test-Driven Development (TDD) and clean coding practices to simplify problem-solving.Make a significant impact on the developer community.Contribute to open-source software (OSS) initiatives.