Top Backend Developer Jobs

Build and maintain Java Spring Boot microservices and serverless functions. Design RESTful APIs, integrate with Vue.js front-end, write unit tests (JUnit/Mockito), deploy containerized apps to AWS EKS and Lambda, and maintain CI/CD pipelines for reliable releases.

Design, build, test, and operate backend control plane, platform, and identity services. Implement identity features (SSO, OAuth2, SAML, WebAuthn), SCIM sync, and scalable distributed systems. Own observability, incident response, on-call duties, and improve system stability, security, and efficiency while collaborating with product and design.

Design, develop, and maintain scalable Java-based backend services and RESTful APIs, contribute to full-stack React applications, and optimize Microsoft SQL Server databases. Collaborate with product, QA, DevOps, and external partners to translate requirements into well-documented, high-performance solutions within an agile delivery process focused on oncology clinical workflows and EHR integration.

Lead and scale backend systems using TypeScript and Go, build GraphQL/REST APIs for mobile and web, own features end-to-end, define testing strategy, collaborate with product and design, and drive architecture and process improvements to support millions of users.

Design, build, and maintain backend services and data pipelines that ingest, process, track, and deliver satellite payload data. Improve APIs, observability, and reliability; collaborate with mission, operations, and infrastructure teams; support incident response and SatDevOps rotations to operate spacecraft and troubleshoot data anomalies.

Design, build, and maintain server-side applications, databases, and APIs; optimize performance and scalability; implement security measures; collaborate with frontend and product teams; troubleshoot and debug; stay current with emerging backend technologies.

Design, build, and maintain server-side systems including databases and APIs. Optimize performance, ensure security, troubleshoot issues, and collaborate with front-end and product teams while staying current on technologies.

Principal individual-contributor backend engineer to architect and evolve a scalable, high-performance SaaS AppSec platform. Lead cross-team initiatives, design microservices and async pipelines, resolve systemic performance and reliability issues, mentor senior engineers, and contribute code in Go on Kubernetes backed by MongoDB/Postgres while partnering with product leadership.

Lead design, development, scaling, and maintenance of backend architecture for banking applications. Write efficient, testable code, develop and automate tests, troubleshoot production issues, perform code reviews, enforce security and technology standards, and advise stakeholders on emerging technologies and implementations.

Build and own a centralized execution engine that routes generative tools and model APIs, reduces latency via caching and in-memory stores, implements retries/circuit breakers/fallbacks, and scales a multi-modal pipeline handling text, images, and video while collaborating with product and applied AI teams.

Build and own backend systems for an AI assistant: LLM orchestration, workflow execution, identity and knowledge layers, agent networks, and production-grade reliability for cost-sensitive, real-time AI workloads. Influence architecture end-to-end in a greenfield, high-growth environment.

Lead design and implementation of scalable backend services and APIs, improve performance and reliability of distributed systems, guide engineering teams on architecture and best practices, optimize data models, caching, and asynchronous processes, and collaborate with Product and Engineering to deliver robust backend solutions.

Lead backend development for eBay Live: design and build scalable, distributed, highly available systems; translate requirements into maintainable code; influence technical strategy; mentor engineers; manage releases, on-call, and cross-team collaboration to deliver complex software.

Lead architecture and implementation of scalable, distributed full-stack platform features. Own feature areas, integrate partners, design multi-tenant systems, and operate production services using React/TypeScript and NodeJS with Postgres/MongoDB and Kubernetes. Collaborate with cross-functional teams and work onsite at least three days weekly.

The Senior Backend Engineer will enhance the backend platform by developing scalable services and APIs, drive the software lifecycle, mentor others, and utilize AI tools to improve workflows.

The Senior Lead Software Engineer will lead diverse tech projects, mentor developers, and deliver cloud-based solutions using various programming languages and technologies.

As a Staff Backend Engineer, you will develop APIs and tools, manage databases, and facilitate modern software practices while collaborating with the team to enhance user privacy and ownership.

Design, develop, and maintain backend services using Python and Java, support migration to Java, and ensure system stability and reliability while collaborating with cross-functional teams.

The Senior Back-End Engineer will design, develop, and maintain backend services in Python and Java, and support migration to Java, while collaborating with teams globally.

As a Full Stack Engineer, you will develop and implement features, APIs, and products, collaborating with cross-functional teams to enhance customer experiences.

The Backend Engineer will design and scale systems for an AI-driven research platform, contribute to product decisions, and enhance system reliability and performance.

As a Backend Engineer, you will build and scale core products, ship features rapidly, and collaborate closely with the team and customers.

Design and build scalable backend services in Node.js/TypeScript, architect database systems, implement real-time communication, and manage infrastructure for rapid growth.

The Staff Backend Engineer will design high-performance infrastructure, optimize large-scale systems, and lead initiatives, collaborating closely with the CTO and the engineering team.

The Backend Engineer will own the backend system, deliver RESTful APIs, enhance user experience, and work with front-end developers in a dynamic startup environment.