Top Backend Developer Jobs

Design, build, and improve DApps and smart contracts; optimize backend services for multi-chain scalability and reliability; perform code reviews and testing; enforce blockchain security best practices; collaborate with frontend, product, and stakeholders; stay current with blockchain technologies and platform improvements.

Design and implement scalable backend infrastructure for an AI-native security platform. Build and operate code-execution pipelines, agent orchestration, evaluation and training pipelines, and mentor engineers to ensure performance, reliability, and secure architecture at enterprise scale.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.

Design and build core backend modules for a high-volume P2P marketplace, including order matching, escrow, dispute resolution, and merchant management. Develop high-concurrency transaction processing, seller/buyer workflows, payment integrations, and ensure reliability, idempotency, and consistency across transactions. Participate in architecture design, code reviews, and cross-team collaboration.

Design, build, and maintain backend payment systems (wallets, gateways, merchant management). Implement open APIs, tune performance, troubleshoot incidents, and collaborate with product and cross‑team stakeholders.

Early-career backend engineer in the KYC Technology Team building and improving Binance's global KYC platform: define APIs, troubleshoot QA issues, assist customer support, integrate compliance vendors, and apply scalable microservice solutions.

Design, build, and maintain bank and card payment integrations and high-availability, high-concurrency payment processing modules (routing, clearing, reconciliation, settlement). Collaborate with product, risk, and compliance, participate in code reviews and system design, and optimize system performance and scalability.

Design, build, and maintain high-performance backend services and APIs using Java/Spring Boot. Develop and productionize recommendation algorithms and LLM systems, optimize LLM workloads (including on-prem), ensure scalability, reliability, and security, and collaborate across time zones with product and project teams to own end-to-end architecture.

Contribute to development and maintenance of core backend infrastructure, compile and implement interface documentation, troubleshoot and resolve QA-reported issues, and assist Customer Success in solving and classifying customer problems to drive system improvements.

Design, build, test, and deploy low-latency, high-throughput trading systems; collaborate with quant and product teams; maintain trading infrastructure, risk and position-monitoring tools; mentor juniors; integrate AI coding agents into development workflows and support production incidents.

Early-career backend engineer for Binance's KYC Technology team. Contribute to development and maintenance of onboarding products, write and implement interface documentation, troubleshoot QA issues, and assist customer support to classify and resolve problems for system improvements.

Design and build Java backend systems for on-chain payment flows, integrating wallets, broadcasting and tracking transactions, connecting banking channels to on-chain liquidity, ensuring reliability, idempotency, and handling chain edge cases.

Design and implement complex backend services for Binance Square. Collaborate with product, DevOps, and QA to deliver high-quality microservices, promote engineering best practices, and perform code reviews.

Lead C# .NET Backend Developer to architect, build, and maintain scalable microservices and RESTful APIs using .NET Core. Drive CI/CD, containerization (Docker), Kubernetes orchestration, and Azure deployments. Mentor developers, ensure code quality and security, collaborate with QA and product teams, and champion agile practices.

Design, develop, and maintain scalable Java backend services and RESTful APIs. Collaborate with frontend, product, and stakeholders; write clean, tested code; troubleshoot and resolve issues; participate in code reviews; and improve systems, particularly for large-scale distributed environments.

Design and build backend solutions in the NAV domain using Java/J2EE and Spring. Develop APIs, web services, database schemas, PL/SQL and transactional SQL in DB2/Oracle. Collaborate with tech leads, architects, and DevOps to deliver quality features, participate in code reviews, testing, and CI/CD pipelines.

Design, build, and lead backend Java/J2EE and microservices solutions. Drive API design, cloud containerization (Docker/Kubernetes), CI/CD, database schema and PL/SQL development (DB2/Oracle), code quality, technical mentoring, and cross-team delivery for asset management initiatives.

Design, develop, and maintain Java-based backend services using Spring frameworks and Kafka. Build scalable RESTful APIs, work with MySQL/MongoDB, containerize with Docker, deploy on Kubernetes, and follow CI/CD and Agile practices while collaborating in a team.

Design, build, and maintain scalable backend services in Java and Python. Implement RESTful/GraphQL APIs, optimize SQL/NoSQL databases, develop microservices, enforce security (OAuth2/JWT), write unit/integration tests, optimize performance, and collaborate with frontend and DevOps teams in Agile processes.

Design and implement backend services using Java and Spring Boot, deploy to GCP/GKE, work with distributed systems (Spanner, Kafka), optimize complex SQL/PLSQL, build CI/CD pipelines (GitHub Actions, Argo CD), ensure reliability, and provide technical leadership and mentoring.

Design and build backend solutions following architecture and best practices. Develop APIs, web services, database schemas, PL/SQL/stored procedures (DB2/Oracle). Collaborate with senior engineers, participate in code reviews, testing, and coordinate technical delivery across teams. Support CI/CD and improve code quality.

Design, develop, and maintain scalable microservices and RESTful APIs using Python (FastAPI) and Node.js. Collaborate with cross-functional teams across the full SDLC, write testable code, troubleshoot and improve system performance, and contribute to architectural and process improvements.

Design, build, and maintain scalable backend services using Java (Spring) and Python (FastAPI/Django). Implement REST/GraphQL APIs, manage SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests (JUnit/pytest), optimize performance, and collaborate with frontend and DevOps teams in Agile.

Design, build, and maintain scalable backend services in Java (Spring) and Python (Django/FastAPI). Implement REST/GraphQL APIs, optimize SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests, improve performance, and collaborate with frontend and DevOps teams in Agile processes.

Design, implement, and test Java-based backend features and RESTful APIs using Spring Boot. Integrate with Vue.js front-end, write JUnit/Mockito tests, manage CI/CD pipelines, deploy containerized apps to AWS EKS, and build serverless functions with AWS Lambda.