Top Senior Java Developer Jobs in San Francisco Bay Area, CA

Develop and maintain Java/J2EE applications on Liferay (6.1+ EE). Build front-end with JSF (PrimeFaces preferred), implement REST/SOA services, and use Spring and Hibernate. Prefer experience with JBoss and MS SQL.

The Senior/Lead Java Developer is responsible for designing and implementing backend modules, writing server-side code, and collaborating with cross-functional teams to drive projects and integrate new technologies.

The role involves designing and developing software solutions, unit testing, and collaborating with various teams to improve customer experience using rich data sets.

The Front End Java engineer will design and develop software using Java and JavaScript, with expertise in MVC frameworks like Backbone.js, focusing on the Unified project's Browse front end pages.

The Backend Java Developer IV leads large Java/J2EE projects, requiring extensive development, teamwork, and communication skills alongside proven technical expertise.

Design, build, and maintain efficient, reusable Java backend systems; translate business requirements into applications; optimize performance and stability; review and test code for quality and security; identify and fix bottlenecks and bugs; maintain code quality and system responsiveness.

Senior backend engineer to own platform components, design and implement high-availability RESTful services, security architecture, data management, analytics pipelines, logging/monitoring, and collaborate on architecture, integration, code review, testing, and production deployments.

Design, develop, test, deploy, and maintain enterprise Java applications for USPS. Build RESTful APIs with Spring, translate requirements into architecture, implement CI/CD/DevSecOps, integrate relational databases, troubleshoot complex issues, and collaborate with cross-functional Agile teams to deliver high-quality software solutions.

Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements.

Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.

Develop and maintain Java/J2EE applications using Spring (IOC, AOP, MVC, Web Flow), Hibernate, web services, MQ, and Oracle/PLSQL. Participate in SDLC, design and architecture reviews, requirements elicitation, and produce use cases and system functional requirements. Work in financial services domain within a global delivery team.

Senior Java Developer to design, develop and maintain Java/J2EE applications using Spring, Hibernate, web services and Oracle PL/SQL. Participate in requirements elicitation, create use cases, perform design/architecture reviews, and support global delivery for financial services projects using tools like WebLogic, SVN/STS and Jenkins.

As a Senior Backend Software Engineer at unitQ, you'll develop AI-driven features, maintain microservices, and collaborate to enhance platform capabilities with scalable solutions.

Build and deliver backend enterprise web applications for Citi's Integrated Digital Assets Platform using Java/Spring and web3 technologies. Collaborate with distributed teams, follow best practices and design patterns, write technical documentation, resolve issues, and ensure scalability, reliability, and performance.

Lead design, develop, test, and deploy cloud-native Java/Spring Boot microservices for energy-focused enterprise SaaS. Own architecture, code quality, troubleshooting, observability, integrations (messaging, APIs, databases), and collaborate with QA/DevOps/Product using Agile practices to deliver scalable, production-ready solutions.

The Lead Java Software Engineer will design, develop, and deploy cloud-based enterprise applications, focusing on performance, security, and collaboration with cross-functional teams. The role requires hands-on leadership in the software development lifecycle, code quality, and continuous improvement in a remote environment.

Reverse-engineer TIBCO BW/MFT processes to extract business logic, then design and implement a modular Java/Spring Boot microservices replacement. Migrate protocols to Kafka/RabbitMQ/REST, translate XML transformations, ensure data persistence and consistency, and validate performance to meet existing SLAs.

Analyze legacy TIBCO BusinessWorks/MFT processes to extract business logic, design and build a decoupled Java/Spring Boot microservices platform, migrate protocols to Kafka/RabbitMQ/REST, translate XML-heavy transformations to modern formats, and validate performance and SLAs to match legacy throughput.

Design, build, and maintain Java/J2EE multi-layer applications and APIs. Collaborate with architects and DevOps to implement CI/CD, code quality, testing, and database solutions (DB2/Oracle, PL/SQL). Support cross-team delivery, resolve technical roadblocks, and drive process improvements in an asset management/financial services context.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Build and maintain backend services and REST APIs using Java (11/17+) and .NET (ASP.NET Core). Implement business logic, data access, and integrations; write well-tested code with JUnit/xUnit/NUnit; contribute to CI/CD and DevOps; participate in design, code reviews, and Agile ceremonies.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

The Senior Full Stack Java Developer will design and maintain enterprise applications using Java and modern front-end technologies while collaborating in Agile teams and mentoring junior developers.

Lead design, architecture, and delivery of scalable, distributed cloud-based systems. Own features end-to-end, guide technical planning, mentor engineers, improve engineering practices, resolve production issues, and collaborate with product and cross-functional teams.

Seeking a Senior Java Developer with 7+ years of experience and expertise in Java, Spring, Maven, and database technologies. Responsibilities include integration, automation testing, and effective problem-solving.