Top Backend Developer Jobs

The Sr Software Engineer, Backend will develop and optimize backend services, mentor engineers, and lead technical discussions in building scalable systems for Mercari's marketplace platform.

As a Staff Software Engineer, you will lead projects, mentor junior engineers, and enhance backend systems using Python, focusing on code quality and collaboration with product managers.

The Lead Back-End Engineer will design, write, and review production code, establish engineering standards, and collaborate with cross-functional teams to enhance backend practices and code quality.

Design and maintain real-time vehicle-tracking, map-matching, ETA prediction, and disruption-detection systems. Build and scale real-time data pipelines, cloud backend services, and APIs. Develop infrastructure for algorithm validation and shadow testing, collaborate across product and design to prototype and deliver end-to-end features, and apply modern engineering practices through code reviews, pairing, and documentation to ensure reliable production systems.

As a Staff Software Engineer, you will design, build, and scale backend systems for a financial platform while providing technical leadership and collaborating cross-functionally.

Design, build, and operate cloud backend services powering connected hardware: device connectivity, telemetry ingest, state management, and data pipelines. Own features end-to-end, lead medium projects, mentor juniors, collaborate with firmware/mobile/platform teams, apply AI-native engineering practices, and participate in on-call incident response and post-mortems to ensure scalable, secure, reliable systems.

Build, operate, and own backend systems, services, APIs, data pipelines, and infrastructure. Solve distributed systems, scaling, concurrency, and performance challenges. Integrate and serve large generative AI models in production, instrument systems, and iterate to improve product quality while partnering with product, design, client, and AI teams.

Design, build, and operate distributed, data-intensive backend systems and pipelines. Own production data infrastructure (streaming, batch, analytical stores), debug production incidents, participate in on-call rotations, partner with product and frontend teams, write/review architecture and code, and improve observability, reliability, and deployment practices.

Design, develop, and scale backend services and infrastructure for AI products and IoT fleets. Build highly available, observable systems (progressive OTA, distributed tracing), collaborate with AI teams, optimize cost and portability, and mentor junior engineers.

Design, implement, and optimize backend systems powering mission-critical restaurant delivery applications. Work across the customer journey, build Inventory Savings product, and collaborate with cross-functional teams to deliver scalable microservices and APIs.

Design, build, and operate identity and access systems, financial operations (transfers, ledgering, reconciliation), and blockchain infrastructure. Define reliability/observability standards, lead cross-functional projects, mentor engineers, and uphold security and transactional correctness.

Design, build, and maintain cloud-native enterprise applications using Java and Spring Boot. Develop RESTful APIs and microservices, implement CI/CD and containerized deployments (Docker, Kubernetes) on AWS, perform Gradle upgrades and modernization, and ensure database performance (PostgreSQL), observability, security, and high-availability in Agile teams.

Develop, maintain, and enhance backend software systems for secure, high-performance applications. Design, implement, test, and integrate software components, debug defects, produce technical documentation, support cloud-based deployments (AWS), collaborate with system engineers, and ensure software quality within an Agile environment.

Join a product-focused backend team building fintech experiences. Own features end-to-end, collaborate with designers and product, make architectural decisions, and use Haskell/SQL and AI tools to deliver reliable, lovable banking products.

Senior Full Stack Engineer (backend-focused) to design, build, and operate scalable backend systems and APIs, deliver full-stack features, improve reliability and observability, and contribute to architecture and technical strategy in a fast-paced startup environment.

The Senior Backend Engineer will enhance the security and scalability of the LangChain platform, working on enterprise readiness features such as authentication and billing systems while collaborating with various teams and enterprise clients.

As a Backend Engineer, you will design and build backend systems and APIs for LangChain's observability and evals platform, optimizing performance and reliability while collaborating with cross-functional teams.

The Backend QA Engineer will test APIs, databases, and backend services, ensuring performance and reliability through test design, automation, and collaboration with engineering teams.

Seeking a Senior Back-End Developer to engineer video applications, design back-end systems, and develop web services for IPTV and cable video, working with databases and leading a development team.

Lead the backend development team with over 10 years of experience in Java technologies and microservices, ensuring high-quality IT solutions.

The Senior Back-End Software Engineer will design and implement a serverless platform, work closely with the product team, and own entire projects, driving innovation in telehealth.

As a Back-End Software Engineer, you'll design, implement, and scale a serverless telehealth platform using various technologies while working closely with the product team.

As a Senior Back-End Software Engineer, you will design and implement robust software infrastructure for a telehealth platform, collaborating closely with key stakeholders and contributing to the engineering culture.

Design and build core infrastructure for ML training, develop audio processing pipelines, and set technical direction for the team.

The Senior Software Engineer will design and implement back-end solutions, mentor engineers, and leverage AI technologies for feature development.