Top Backend Developer Jobs

Build and maintain scalable backend systems for R&D management: data modeling, API design, cloud deployment, and containerized services. Implement decision-modeling tools, integrate LLM capabilities, and collaborate with small cross-functional teams to deliver reliable production software supporting long-term scientific programs.

As an Infrastructure/Backend Engineer, you will design scalable systems, manage cloud environments, implement monitoring, and enhance infrastructure security for AI-powered services.

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.

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.

Lead and mentor engineers to design, build, and scale low-latency trading back-end services, data pipelines, and integrations. Analyze complex cross-workflow problems, develop performant distributed systems, perform data analysis, and maintain ELT processes.

Seek a Senior Back End Engineer to develop AI-driven applications, mentor engineers, and solve complex engineering challenges while focusing on scalability and data integrations.

Design, build, and maintain backend services for an enterprise frontline communications platform using Node (Express/Nest), MongoDB, PostgreSQL, and GCP. Plan and own work, produce simple robust solutions, ensure high code quality, collaborate with teammates, and contribute to a high-impact, growing team in Chicago.

Design, build, and maintain backend features for flexEngage's microservices platform. Collaborate with product and cross-functional teams, write tests, participate in design/code review, improve code quality, and handle Tier 3 on-call troubleshooting for production issues.

Join Papa Community as the second backend engineer to design and build a HIPAA-compliant virtual care platform. Own system architecture, EHR and billing integrations, backend reliability, data flows for operational intelligence, and engineering practices while partnering with product and clinical stakeholders.

The Backend Software Engineer will architect and implement backend features, optimize data processing, and enhance workflow automation and machine learning integration.

Design, build, and maintain scalable Java Spring Boot microservices and REST APIs. Deploy and operate cloud-native applications on GCP, implement CI/CD, optimize performance and databases, ensure security and reliability, collaborate with cross-functional teams, and troubleshoot production issues.

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 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, build, and scale high-performance Java/Spring Boot microservices and event-driven systems using Apache Kafka. Develop secure REST APIs, deploy containerized apps on AWS EKS, integrate with AWS services, and ensure quality via testing, performance tuning, and CI/CD.

Lead architecture and delivery of Java-based microservices, define standards, mentor engineers, collaborate with stakeholders on technology roadmap, ensure scalability, resilience, monitoring, CI/CD, and data governance for large-scale production systems.

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, 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, 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.

Build and maintain server-side logic, databases, and AWS cloud integrations using Python and Java. Design scalable APIs, optimize performance and security, implement cloud-native architectures, and produce technical documentation for high-availability, distributed systems.

Design, build, and maintain operational and analytical data platform capabilities using Java Spring Batch, Python, AWS, Oracle, and Snowflake. Deliver end-to-end development, production rollout, and support; improve financial product data quality, modeling, and SQL performance; collaborate with business partners and squads.

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.

Lead design and delivery of microservices-based backend systems, define architecture and standards, mentor engineers, drive cloud-native CI/CD and observability, ensure scalability, resilience, data strategy, and align technical solutions with business goals.

Design, build, and operate backend systems for a mortgage lending platform. Own backend responsibilities from design through production, focusing on scalability, performance, reliability, and multi-service architectures while collaborating with product and full-stack engineers.

As a Backend Engineer, you will develop core components for an AI product, ensuring reliability, scalability, and performance while mentoring the engineering team.

Design and build scalable APIs for backend-driven user experiences using Go, while collaborating with product and engineering teams.