Senior Backend Software Engineer at Semperis | Tel Aviv

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.

Gong is at the forefront of leveraging AI to redefine the way revenue teams achieve success. Our Gong Revenue AI Operating System consolidates data, insights, and workflows into a single, reliable platform that observes, guides, and collaborates with the top-performing revenue teams globally. Utilizing the innovative Gong Revenue Graph, AI-driven intelligence, specialized agents, and trusted applications, Gong empowers over 5,000 organizations worldwide to gain profound insights into their teams and customers, automate essential sales processes, and close more deals effortlessly. To learn more, visit www.gong.io.Joining Gong means becoming part of a team that thrives on innovation, ambitious aspirations, and a shared passion for excellence. We are pioneering the future of revenue intelligence, and we seek individuals excited to contribute to what's next. You’ll collaborate with a team that dreams big, moves quickly, and deeply values craft and camaraderie. Transparency and trust are at the heart of our operations, providing everyone the opportunity to make a tangible impact. If you’re eager to develop, challenge yourself, and engage in work that truly matters, Gong is where you’ll achieve the pinnacle of your career.As a Senior Backend Engineer at Gong, you will be a key player in transforming the way organizations interpret customer interactions. Your expertise will be vital in architecting and guiding the development of scalable systems, employing cutting-edge technologies, and partnering with cross-functional teams to address high-impact challenges.

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.

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.

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 Wiz, a trailblazer in cloud security, as a Senior Backend Engineer and contribute to our mission of empowering businesses in the cloud. In this role, you will develop and maintain robust distributed systems that are pivotal to our growth. We seek individuals who are not only passionate about solving scaling challenges but also take pride in crafting clean, efficient, and maintainable code. Our technology stack includes a multi-cloud architecture (Azure, AWS, GCP, OCI, Alibaba Cloud) and technologies such as Golang, GraphQL, PostgreSQL, Neptune, Docker, and Kubernetes. Be part of a dynamic team and help us secure cloud environments for some of the world’s most trusted companies.

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.

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 GuiddeAs a leading AI digital adoption platform, Guidde is revolutionizing how modern organizations create and consume knowledge. Established in 2020 by a team of experienced entrepreneurs, we harness the power of generative AI to convert workflows into rich, multi-format documentation within minutes. Our platform empowers teams to disseminate knowledge seamlessly across employees, customers, and AI systems, transforming ordinary processes into engaging, in-app video guides that exist where work truly happens.

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.

Join Singular, a premier marketing measurement platform utilized by over 1,000 renowned brands such as Rovio, Microsoft, Uber, DoorDash, Nike, EA, DraftKings, and Robinhood. For three consecutive years, Singular has been recognized as the #1 MMP by G2, empowering marketers to optimize user acquisition strategies and evaluate the efficiency of every advertising dollar through comprehensive marketing analytics, sophisticated cross-device attribution, and unparalleled ad fraud prevention. With the latest integrations with AI technologies like ChatGPT, Claude, and Gemini, we offer instant insights without the need for complex dashboards or SQL queries.With a global presence spanning 12 countries and employees across 65 cities, including major hubs like New York City, Los Angeles, and London, Singular has attracted $50M in funding from prestigious investors such as Norwest Venture Partners and General Catalyst.As we expand our innovative team and product offerings, we are on the lookout for dynamic, creative, and motivated individuals to join us in leading the marketing measurement industry.About The RoleWe are seeking a talented Infrastructure Backend Engineer to become a part of our R&D team in Tel Aviv, working in a flexible hybrid model.You will collaborate with a high-caliber R&D team and elevate your professional journey. Our backend infrastructure primarily utilizes Python and Go, but we encourage applications from skilled backend engineers proficient in any programming language.Example ProjectsDevelop Integrations with emerging Ad Networks, focusing on creating ingestion flows, authentication protocols, and data normalization.Enhance Real-Time Attribution by optimizing the pipeline to minimize latency and boost throughput through redesigning essential processing components.Implement Data-Quality Services to automatically identify anomalies, missing fields, and inconsistencies.Build a Comprehensive Monitoring Dashboard for partner integrations, integrating metrics, error rates, and SLA compliance.Strengthen System Resilience by incorporating retry logic, dead-letter queues, and idempotency for handling billions of daily events.

Join the innovative team at Wix.com as a Backend Engineer specializing in backend technologies. We are seeking passionate individuals who thrive in a collaborative environment and are eager to tackle complex challenges. You will be responsible for designing and implementing scalable backend solutions that enhance our platform's capabilities.

At Semperis, we strive to be a Force for Good by fostering an exceptional workplace environment. We understand that when employees feel valued and supported, they excel in their roles. Our focus is on creating a work experience that emphasizes purpose, growth, and work-life balance. Semperis has earned accolades as one of America’s Fastest-Growing Cybersecurity Companies by Inc. 5000, recognized as a DUNS 100 Top Startup to Work For, and honored multiple times as an Inc. Best Workplace.About the RoleWe are looking for a talented Backend Engineer to become a vital part of our Platform Group. You will be instrumental in designing and developing shared infrastructure components that are integral to Semperis's enterprise security and identity solutions. This role demands both technical prowess and the ability to partner effectively across teams.What You'll DoAs a Backend Engineer on our Core Platform team, your responsibilities will include:Designing and implementing shared platform components for multiple product teams, ensuring they are scalable, reliable, and maintainable.Architecting distributed systems using microservices and event-driven architectures to handle enterprise-scale workloads.Owning key backend services from initial conception to deployment, focusing on code quality, performance improvements, and operational excellence.Collaborating closely with product engineers, DevOps, and architects to define platform capabilities and technical standards.Leading technical initiatives that enhance developer productivity, system observability, and platform resilience.Contributing to architectural decisions and establishing best practices for backend development within the organization.Analyzing system performance and data patterns to identify optimization opportunities and guide future platform investments.What You BringRequired Qualifications5+ years of professional software engineering experience, particularly in backend development.Strong proficiency in C# and .NET Core, with a solid understanding of modern framework features and performance optimization techniques.Production experience with Kubernetes and container orchestration within cloud environments (preferably Azure, AWS, or GCP).

At Lendbuzz, we are committed to ensuring that financial opportunities are tailored and equitable. We create cutting-edge technologies that empower underserved and overlooked borrowers with enhanced access to credit solutions. Our company and culture are built on a strong belief in the power of diversity, valuing independent and critical thinking from our employees, dealers, partners, and borrowers.We are on the lookout for a skilled Full-Stack Engineer with a strong backend orientation to join our expanding Sales R&D team in Tel Aviv. This role emphasizes backend development while also contributing to full-stack service maintenance. You will spearhead the evolution of our Sales platform, taking full ownership of impactful features and driving an AI-first engineering culture that champions automation, intelligent tools, and continuous improvement. Your contributions will be vital in enhancing product quality, engineering productivity, and system reliability as we scale rapidly.

About the Role We are seeking a dynamic Senior Backend Software Engineer to play a pivotal role in shaping our GenAI Platform. In this influential position, you will lead the design and implementation of scalable GenAI systems, ensuring seamless connectivity with various platforms and tools. You will define and establish best practices in AI development, mentor fellow engineers, and shape the company's AI strategy, all while remaining deeply engaged in hands-on development.This role is all about ownership and creating a meaningful impact: from building and leading to shaping transformative outcomes end-to-end.

Join Via and become part of a transformative mission that is redefining transportation globally. We are committed to helping cities become smarter, greener, and more interconnected. Our innovative approach addresses daily commuting challenges and environmental issues, and we are looking for exceptional talent like you to help realize this vision.As a Senior Backend Engineer at Via, you will play a crucial role in our R&D team based in Tel Aviv. You will collaborate to design, build, and scale advanced backend systems that drive our worldwide operations. You will thrive in an environment that fosters innovation, teamwork, and agility, with your efforts directly influencing the mobility of communities worldwide.

Unlock your potential by becoming part of a leading performance-driven advertising firm! As a Skilled Backend Engineer in our Tel Aviv office, you will be instrumental in developing one of the most extensive real-time big data infrastructures globally, supporting over 40TB of new data daily.

About UsAt Redis, we are pioneers in building the technology that powers fast applications that are essential to everyday life. From checking the weather to processing online payments, our solutions serve over 10,000 customers worldwide. Join us in our mission to create a quicker, simpler digital world.We are currently seeking a talented Backend Software Engineer to enhance our R&D team based in Tel Aviv.Why You Will Love This RoleIn this exciting position, you will design and maintain our management platforms with a user base exceeding 200,000. You will take ownership of end-to-end development for key customer-facing features within our SaaS product.We are looking for a motivated individual with substantial experience in large-scale web applications, who is keen to learn new technologies and make a significant impact on our customers' experiences.Your ResponsibilitiesDevelop and enhance critical workflows within the Cloud Redis management platform.Refine existing code to ensure excellence and testability, driving continuous integration.Create new user-oriented features that enhance overall user experience.Collaborate effectively with team members across product, DevOps, support, customer success, and R&D teams both locally and internationally.Investigate and integrate new technologies and methodologies into Redis platforms.Lead features both within and outside the team from inception to delivery.Qualifications Needed6+ years of professional experience as a software engineer.Bachelor's degree in Computer Science, Software Engineering, or a related field.Proficiency in Java or C# programming languages.Experience in production deployment, debugging, and maintenance.Strong collaborative skills and a team-oriented mindset.Fluent in English, both written and spoken.Preferred QualificationsExperience with cloud platforms such as AWS or GCP and SaaS products.Familiarity with front-end technologies, particularly React.

Join Wiz, a pioneering force in cloud security, as a Senior Backend Engineer. In this role, you will develop and maintain large-scale distributed systems that empower organizations to secure their cloud environments. We seek individuals who are enthusiastic about solving scaling challenges and take pride in crafting clean, efficient, and maintainable code. Our technology stack includes multi-cloud architectures (Azure, AWS, GCP, OCI, Alibaba Cloud) and utilizes Golang, GraphQL, PostgreSQL, Neptune, Docker, Kubernetes, among others. Embrace the opportunity to make a significant impact and contribute to our mission of enhancing cloud security.