Senior Backend Engineer

ABOUT UNITUnit stands at the forefront of embedded finance, providing a suite of ready-to-launch financial services including banking and capital solutions. We empower millions of end-users through our partnerships with approximately 100 clients, such as Wix, Honeybook, and Relay.As a team of seasoned founders with robust technical expertise, we are dedicated to cultivating a thriving workplace. Our platform facilitates over $40 billion in transactions annually and handles more than 12 million API calls each day. We have successfully secured over $160 million in funding from esteemed investors, including Insight, Accel, and more than 60 angel investors.THE ROLEIn this pivotal role within our engineering team, you will play a crucial part in steering the evolution of Unit's platform and product offerings. Your responsibilities will include designing and developing backend services in a large-scale distributed microservices architecture, ensuring that complex business workflows are managed across various systems with a focus on consistency, retries, failures, and long-lived executions.You will take ownership of Unit's features from conception to deployment, tackle intricate distributed challenges, and work collaboratively with multiple teams across the organization. This is a unique opportunity for the right candidate to contribute to building an industry-leading company from the ground up while addressing precision-driven challenges in Banking, Payments, Cards, and Lending.KEY RESPONSIBILITIESDesign and implement enterprise-grade backend services capable of accommodating Unit's expansive scale and diverse use cases.Own the end-to-end development of Unit features, encompassing design, implementation, testing, and deployment.Address a wide array of complex issues within a large-scale distributed microservices environment.Craft and execute workflow-based business processes that span multiple microservices, emphasizing reliability, observability, and resilience under failure conditions.Collaborate with diverse teams across Unit to innovate and deliver exceptional features in Banking, Payments, Cards, and Lending.WHAT WE'RE LOOKING FOR?A minimum of 8 years of backend development experience within a microservices framework.Proven experience in building, deploying, and maintaining scalable, testable systems in a cloud infrastructure.Solid understanding of essential principles of production systems, including high availability, reliability, and scalability.Experience with Durable Execution Frameworks or comparable long-running process management tools.

wekatest seeks a Software Engineer in Test to join the team in Tel Aviv. This position focuses on distributed systems and artificial intelligence, with an emphasis on ensuring technology reliability and performance through strong testing practices. Key responsibilities Design and build testing frameworks tailored for distributed systems and AI features Create automated tests that check system reliability and performance Work closely with other engineers to support ongoing product development Location This role is based in Tel Aviv, Israel.

wekatest is looking for a Senior Software Engineer, Control to join the team in Tel Aviv, Israel. This position centers on developing software that supports and enhances the company’s control systems. What you will do Design and build software components for control systems Work directly with engineers and team members from various groups Focus on delivering dependable solutions tailored to client requirements Collaboration This role involves frequent collaboration with colleagues across different teams. Expect to contribute ideas and take part in hands-on development to address real client needs.

About the RoleAs a Senior Developer Experience Engineer at Axonius, you will play a pivotal role in enhancing our development processes. This isn't just about managing DevOps; you will be at the forefront of innovating our CI/CD pipelines and internal tools. Your goal will be to streamline processes and empower our R&D teams to transition effortlessly from local development to live operations.Key Impact Areas Include:Infrastructure as Code: Architecting and overseeing the cloud infrastructure necessary for R&D.Tooling: Creating tools that facilitate quicker local environments, staging, and automated testing.Strategy: Collaborating with development teams to address scaling challenges within the engineering organization.

Join DoubleVerify as a Senior AI Engineer and play a pivotal role in shaping the future of advertising technology.About UsFounded in Israel, DoubleVerify is a leading big data analytics firm (Stock: NYSE: DV). We monitor and analyze billions of ads daily for some of the world's largest brands. With the capacity to process over 100 billion events per day and peak rates exceeding 1 million requests per second, we deliver real-time analytics with minimal latency. Our mission is to ensure that every advertisement is fraud-free, contextually relevant, geographically targeted, and effectively engaging users throughout its lifecycle.Our global presence spans multiple offices including our headquarters in New York City and R&D centers in Tel Aviv, New York, Finland, Berlin, Belgium, and San Diego. We thrive in a dynamic environment filled with challenges that require innovative solutions. If you are passionate about working in a large-scale setting and eager to contribute to products that significantly impact the industry and the web, we would love to have you on our team.Your RoleWe are seeking a dedicated Software Engineer with a keen interest in AI and Generative AI. You will be part of an innovation-driven team focused on developing agentic AI systems—autonomous software agents capable of executing complex tasks across diverse tools, APIs, and data sources.Your responsibilities will include designing and implementing scalable backend systems that seamlessly integrate large language models and other AI technologies into production-level services. This position combines backend engineering, AI integration, and rapid prototyping, offering ample opportunities for learning, experimentation, and delivering impactful solutions.Architect and implement distributed services that drive AI applications.Develop multi-step reasoning pipelines, retrieval-augmented generation (RAG), and specialized AI capabilities.Create robust APIs, plugins, and integrations for AI agents to interact with external systems and data sources.Rapidly develop and refine proof-of-concepts to validate ideas before scaling them to production.Implement monitoring, evaluation, and logging systems to track AI features in a live environment.Collaborate closely with product managers, designers, data scientists, and AI engineers to create user-centric solutions.Stay updated on emerging AI frameworks, tools, and best practices to enhance reasoning, planning, and autonomy in backend services.

Join Axonius as a Senior Software Engineer specializing in Data Engineering. In this role, you will take charge of the design and development of data architectures, machine learning pipelines, and the cloud infrastructure essential for converting vast and fragmented data into actionable insights. Your contributions will enable business leaders to achieve better visibility, automate critical workflows, and foster strategic advancements across the organization.Key Responsibilities:Data Infrastructure Development: Architect and implement all components of the data platform, including machine learning pipelines and necessary infrastructure.Cloud Data Lake Optimization: Establish and enhance an AWS-based Data Lake while adhering to cloud architecture best practices in metadata management, partitioning, and security to facilitate enterprise-level operations.Project Leadership: Oversee full lifecycle of data projects, from initial infrastructure design to production monitoring and performance tuning.Integration Solutions: Employ effective ETL/ELT patterns and advanced querying techniques to tackle complex data integration challenges arising from both structured and unstructured datasets.

Join Yotpo as we revolutionize trust and loyalty in eCommerce. Our AI-driven reviews and loyalty solutions empower brands to transform browsers into customers and advocates. With integrations across the eCommerce landscape and the confidence of over 30,000 global brands, Yotpo offers seamless omnichannel experiences that enhance conversion rates, fortify customer relationships, and drive sustainable growth.Your Mission at Yotpo As a Senior Frontend Engineer, you will be the architect of first impressions and a leading force in technical excellence. You will be tasked with defining and crafting highly responsive, user-friendly web experiences that set the standard for usability and performance in the industry. Utilizing your expertise in modern React architecture, you will ensure that every interaction is instantaneous, every pixel is purposeful, and our customers enjoy a smooth, high-performance product experience at scale. Your role transcends mere implementation of designs; you will engineer a powerful, responsive user interface while mentoring others to achieve the same high standards.

Who is Tenable?Tenable® is at the forefront of Exposure Management, trusted by 44,000 organizations worldwide to understand and mitigate cyber risk. Our solutions empower 65% of the Fortune 500, 45% of the Global 2000, and numerous government agencies. Join us on this exciting journey!What makes Tenable a fantastic workplace?Our people! We collaborate to innovate best-in-class cybersecurity solutions, fostering a culture of belonging, respect, and excellence. As a member of our #OneTenable team, you'll partner with some of the industry's most talented and passionate individuals, equipped with the support and resources to make a significant impact. We deliver exceptional results and celebrate our successes together!Your Role:As a Senior Frontend Engineer, you will design, develop, troubleshoot, and debug software programs for enhancements and new products. You will create software and tools in support of innovative designs, and analyze, design, program, debug, and modify software for local, networked, cloud-based, or Internet-related computer applications. You will write code using current programming languages and technologies, ensuring thorough testing and debugging of applications.Your Opportunity:• Implement designs expertly using modern programming practices• Maintain a strong focus on quality• Demonstrate eagerness to learn and grow• Lead and drive software development initiatives• Participate in and lead design discussions• Additional duties as assigned by management.What You'll Need:• B.S. degree in Computer Science or a related field, or equivalent experience• 5+ years of software development experience in relevant programming languages• Strong initiative and ability to work independently as well as in a team• Experience mentoring fellow software engineers• Excellent written and verbal communication skills• In-depth understanding of the full software development life cycle (SDLC): requirements analysis, design, estimation, development, quality control, and deployment.

BeyondTrust is seeking a Senior Software Development Engineer to join the team in a hybrid role based in Tel Aviv, Israel. This position focuses on building and supporting Entitle, the company’s Just-In-Time Access Management system. The work centers on designing, developing, deploying, and maintaining a cloud-based software platform that uses modern orchestration technologies. BeyondTrust values flexibility, trust, and continuous learning. Team members are encouraged to grow their skills and contribute to a culture where achievements are recognized. The environment brings together colleagues who support and challenge each other to reach their potential. Role overview This role involves leadership in launching and maintaining cloud-scale solutions. The Senior Software Development Engineer will help shape the architecture and technical direction of Entitle, ensuring reliability and scalability. The position requires close collaboration with cross-functional teams and a commitment to high engineering standards. What you will do Design, build, and maintain scalable and resilient backend components, services, and orchestration. Ensure strong user experiences for complex API-based integrations. Contribute to system design and provide technical leadership on complex projects. Review functional and technical requirements, identify gaps, suggest improvements, and communicate ideas across teams. Take end-to-end ownership of deliverables, both individually and as part of a team. Apply engineering best practices to pursue high-quality outcomes. Requirements At least 5 years of experience delivering and supporting enterprise-ready cloud-based systems. Strong understanding of modern design patterns. Excellent communication and collaboration skills for working with cross-functional teams. Experience with the full development lifecycle and product releases in Agile environments. Hands-on experience architecting and developing backend services. Proficiency in Python, with solid knowledge of OOP, system design, networks, and Linux. Experience with public cloud platforms such as AWS, Google Cloud, or Azure. Familiarity with data engineering tools like RabbitMQ, S3, ClickHouse, Airflow, Spark, and Elasticsearch. Experience connecting to API services.

Join Via as a Senior Platform Engineer and play a pivotal role in revolutionizing global transportation. Based in our vibrant R&D center in Tel Aviv, you will collaborate with talented developers and DevOps engineers, leveraging cutting-edge technologies to directly impact the daily commutes of thousands of riders worldwide. As a key member of our Platform Group, you will design, implement, and manage our cloud infrastructure, Kubernetes clusters, and CI/CD systems, driving initiatives that enhance developer experience, operational efficiency, and reliability.

Join Axonius as a Senior Data Infrastructure Engineer and take charge of designing and constructing robust data architectures, ML pipelines, and cloud infrastructure tailored to transform extensive and fragmented datasets into actionable insights. Your expertise will enable business stakeholders to achieve in-depth visibility, automate essential processes, and drive strategic outcomes organization-wide.

Yotpo is at the forefront of revolutionizing trust and loyalty within the eCommerce sector. Our AI-driven Reviews and Loyalty solutions empower brands to transform casual browsers into devoted customers and enthusiastic advocates. By leveraging deep integrations across the eCommerce landscape and earning the trust of over 30,000 global brands, Yotpo crafts seamless omnichannel experiences to boost conversion rates, enhance customer relationships, and foster sustainable, profitable growth.Your Mission at Yotpo As a Senior Backend Engineer, you will design and build the robust, scalable engine that drives the Yotpo platform. Your primary goal is to create and implement high-performance services capable of managing massive scale, ensuring data integrity and system reliability for thousands of brands. Collaborating within a product team, you will convert intricate business logic into resilient architectural solutions, ensuring our infrastructure evolves as swiftly as our customers' needs.Key ResponsibilitiesDistributed Systems Design: Architect and develop microservices and event-driven architectures that are resilient, scalable, and maintainable. You will make pivotal decisions regarding synchronous versus asynchronous communication and data consistency.Data Mastery: Oversee the lifecycle of data across our platform. You will design efficient database schemas (SQL & NoSQL) and optimize query performance for high-throughput workloads.Operational Excellence: Adopt the philosophy of 'You Build It, You Run It.' You will take ownership of your services in production, implementing observability (logging, tracing, metrics) to identify issues proactively.API Craftsmanship: Create clean, secure, and well-documented APIs (REST/GraphQL) that act as the contract between our backend services and the frontend experience.

Who is Tenable?Tenable® is the leader in Exposure Management, empowering over 44,000 organizations worldwide to comprehend and mitigate cyber risk effectively. Our dedicated team supports a significant portion of the Fortune 500 and Global 2000, in addition to prominent government agencies. Join us as we shape the future of cybersecurity!Why Choose Tenable?Our employees are our greatest asset! We foster a collaborative environment where innovation thrives, enabling us to create top-tier cybersecurity solutions for our clients. We believe in cultivating a culture rich in belonging, respect, and excellence, allowing everyone to reach their full potential. As a member of our #OneTenable team, you will collaborate with some of the industry's brightest minds and receive the necessary support to make impactful contributions. Together, we achieve remarkable results!Your Role:As a Senior Software Engineer in Test, you will play a pivotal role in ensuring the quality of Tenable's solutions by integrating both automated and manual testing methodologies. You will design testing tools and frameworks to validate performance and stability while leading thorough exploratory testing efforts. Additionally, you will oversee the maintenance of testing infrastructure and deliver insightful reports.Your Opportunity:Develop expert knowledge of Tenable's product offerings and testing methodologies to validate functionality, operability, and performance.Lead the design and development of test automation frameworks and automated tests for comprehensive solution acceptance.Evaluate the effectiveness of quality initiatives (e.g., automation, manual tests, bug bounties) and spearhead improvements.Conduct manual, exploratory, and performance testing to identify risks not yet addressed through automation.Exhibit a strong commitment to product quality and a desire to learn continuously.Take initiative in leading testing initiatives with minimal supervision.Be open to performing additional duties as assigned by management.

About Nexxen Nexxen is reshaping the advertising industry with data-driven technology. The company’s platform brings together a demand-side platform (DSP), supply-side platform (SSP), and the Nexxen Data Platform to help advertisers, agencies, publishers, and broadcasters use data and advanced TV in meaningful ways. Role Overview The Data Engineering team in Tel Aviv is looking for a Senior Software Engineer. This position focuses on building and improving the data platform that powers Nexxen’s core systems for processing, storing, and serving data. What You Will Do Own the full development cycle for key projects, from initial design through to production deployment, with an emphasis on efficiency and new ideas. Lead and mentor junior developers, guiding them through complex projects that directly affect the business. The team values proactive problem-solving and collaboration. A hands-on approach to research and development is encouraged. Working at Nexxen Nexxen’s culture centers on customer focus, curiosity, and teamwork without ego. Creativity, commitment, and a drive to innovate are recognized and valued. Employee Safety Nexxen is committed to employee well-being and warns against online scams. The company will never ask for payment as a condition of employment or promote questionable financial schemes. For any concerns about suspicious job postings or communications, contact infosec@nexxen.com to verify authenticity.

About BrandlightBrandlight stands at the forefront of enterprise AI visibility, dedicated to empowering top global brands to effectively understand, manage, and enhance their presence across AI-driven search, commerce, and advertising channels.As artificial intelligence evolves into a multi-trillion-dollar marketing and distribution frontier, Brandlight is pioneering the systems that determine which brands gain visibility, trust, and preference.Join our innovative team and contribute to the development of cutting-edge tools that will redefine brand management in an AI-centric world.About the RoleIn the capacity of Senior Data Engineer at Brandlight, you will be instrumental in architecting, constructing, and scaling the data infrastructure that fuels AI-driven brand perception insights.This role requires close collaboration with platform and AI research teams to ensure the integrity, performance, and reliability of our data pipelines and systems.ResponsibilitiesDesign and maintain extensive end-to-end data pipelines tailored to platform and research requirements.Create data models optimized for analytics, machine learning training, and inference.Oversee the complete data lifecycle, emphasizing robust monitoring, validation, and reliability.Enhance queries, storage, partitioning, and indexing for optimal performance and cost efficiency.Manage and scale BigQuery workloads while orchestrating pipelines using Airflow.RequirementsBachelor's degree in Computer Science, Information Systems, or a related field.A minimum of 6 years of practical experience as a data or backend engineer.Strong software engineering capabilities with proficiency in Python development.Expert SQL skills, particularly in query optimization.Experience with big data frameworks is essential.Prior experience with BigQuery and Airflow is a significant advantage.Familiarity with LLMs, Vector DBs, and machine learning concepts is a valuable asset.Demonstrated ability to thrive in a fast-paced, demanding, and sometimes ambiguous environment.Why Join Us?At Brandlight, you will have the opportunity to shape and create a new category that lies at the intersection of AI, marketing, and commerce.We are a rapidly growing startup led by experienced entrepreneurs and top-tier engineers, providing an exciting platform for your career growth.

Who is Tenable?Tenable® is a leader in Exposure Management, empowering over 44,000 organizations worldwide to comprehend and mitigate cyber risks. Our talented workforce supports 65% of the Fortune 500, 45% of the Global 2000, and numerous large government bodies. Join us on our innovative journey!What makes Tenable an excellent workplace?Our team members will tell you it's the people! We collaborate to build cutting-edge cybersecurity solutions for our clients while fostering an inclusive culture of respect and excellence. As part of our #OneTenable team, you will work alongside some of the industry's most skilled and passionate individuals, supported by the resources you need to make a meaningful impact. Together, we achieve results that surpass expectations!Your Role:Lead the design and development of complex, high-performance backend services within the Tenable One ecosystem, ensuring modularity and long-term maintainability.Own the end-to-end performance of critical platform components, optimizing for massive data ingestion and low-latency processing across global environments.Drive architectural discussions and provide high-level input on system design, guiding the team towards scalable, cloud-native best practices.Mentor colleagues and actively participate in code reviews and technical discussions, sharing expertise and promoting a collaborative environment for continuous growth.Work closely with Product, SRE, QA, and Security teams to implement technical solutions that align with business goals.Adopt a “production-first” mindset regarding reliability; lead root cause analyses for complex distributed system issues and implement preventive measures to ensure system stability.

At Via, we are revolutionizing global transportation through innovative technology. Our mission spans from enhancing individual commutes to significantly reducing our collective environmental impact — a vision that drives us to achieve remarkable goals.We are seeking a skilled Senior Software Engineer to join our dynamic team. In this pivotal role, you will design, develop, and scale the systems that power our product offerings. Engage in high-impact projects that leverage cutting-edge technology, complex distributed systems, and intricate algorithmic challenges in transportation, routing, and navigation. You will take ownership of features from conception to deployment, making critical technical decisions that shape the architecture and reliability of our large-scale systems.

Join Tonkean, the world's first fully customizable process experience platform, as a Senior DevOps Engineer. At Tonkean, we empower organizations to create intelligent, personalized automations that seamlessly integrate with every application and system in use. Our platform democratizes access to innovative technologies, traditionally reserved for expert developers, enhancing employee experiences and enabling them to automate repetitive tasks effectively. With our solution, employees can focus on high-value tasks while we handle low-value ones, analyzing, prioritizing, and routing unstructured requests to facilitate collaboration across teams. Our commitment to a no-code approach ensures that all employees, regardless of their technical proficiency, can benefit from our processes without the need for extensive change management. We prioritize high levels of process adoption, compliance, efficiency, and operational excellence, all while fostering an engaging and supportive workplace environment led by engineering-centric founders and a dedicated engineering team. If you're a driven and collaborative DevOps Engineer looking to make a significant impact, we would love to hear from you!

Unlock your potential by becoming part of a leading performance-oriented advertising company!In the role of Senior Backend Engineer, you will play a pivotal role in the development and optimization of our fundamental infrastructure that manages Real-Time Bidding (RTB) requests on a large scale, which is one of the company's primary revenue-generating operations.To excel in this position, you should possess:Over 5 years of programming experience in Java or a similar Object-Oriented language (preferably Java 8+ with Spring)A solid understanding of production systems and web product architectureA proactive approach to tackling unknown challengesA genuine passion for problem-solving and close collaboration with business unitsExperience with both SQL and NoSQL databasesA Bachelor’s degree in Computer Science or a related fieldA strong willingness to work intensively to achieve rapid results in unfamiliar areasA product-oriented mindsetA pragmatic approach to decision-making, avoiding analysis paralysisStrong analytical capabilitiesBonus points if you bring:Experience in developing large-scale distributed systemsFamiliarity with Kafka, Docker, and KubernetesA deep understanding of web systems (API / REST / NGINX)Experience with various SQL and NoSQL databases (such as MySQL, Vertica, Cassandra)Proficiency in Big Data tools (like BQ, Zeppelin, etc.)Knowledge of algorithms, data mining, and machine learningYour Contribution:As a Senior Backend Engineer, your contributions will include:Building one of the largest real-time big data operations globally, processing over 40TB of new data dailyOwning the entire lifecycle of our frontend and backend services — from design to deployment and maintenanceCollaborating with a team of exceptional software engineersImpacting how billions of people discover content onlineDeveloping solutions at an unprecedented scale, handling hundreds of thousands of requests per secondEngaging in innovative projects that will drive future growth at TaboolaRecent Achievements by our Software Developers:Creating a unique data pipeline for managing RTB requests at scaleDesigning an algorithmic model to predict the value of Real-Time impressions for Taboola