Top Java Developer Jobs in San Francisco Bay Area, CA

This Java Developer role involves enhancing data utilization for a state-run project, developing Java web applications, collaborating with teams, and ensuring software quality and security.

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.

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.

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.

Develop and maintain Java/J2EE APIs and applications using Spring, Jersey, Hibernate and SQL. Build front-end integrations with AngularJS/ReactJS, deploy on Tomcat, implement OAuth2 security, use API tooling (Swagger/RAML), perform unit testing and code reviews, and design scalable, multithreaded distributed systems in a global delivery environment.

Design, build, and maintain scalable Java/Spring Boot backend services; implement event-driven systems with Kafka (producers/consumers, stream processing); design and optimize caching with Redis and in-memory strategies; perform performance tuning and bottleneck analysis; take end-to-end ownership of components, debug production issues, and collaborate in fast-paced environments while enforcing code quality and reusable designs.

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.

Design, build, and maintain server-side Java applications and RESTful APIs. Optimize performance and scalability, ensure security, collaborate with cross-functional teams, perform code reviews, troubleshoot production issues, and document system architecture.

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.

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.

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, develop, test, and deploy Java/J2EE applications and integrations. Lead implementation planning, gather and specify requirements, mentor junior developers, resolve defects, support production (on-call), and ensure database and SOX-compliant process documentation.

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.

Develop and maintain scalable backend systems using Java and Spring Boot; design microservices; collaborate with customer teams; improve performance, reliability, and security; participate in code reviews; document solutions; troubleshoot and optimize backend systems.

Seeking a Java Integration Developer with expertise in Java, Apache Camel, Rest APIs, Big Data (Kafka, Cassandra), and Spring framework for a retail project.

Lead migration of legacy COBOL systems to Java-based microservices and develop scalable, secure full-stack solutions on Azure. Build RESTful APIs, optimize performance, ensure DoD cybersecurity compliance, collaborate across teams, document architectures, and participate in Agile ceremonies.

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.

Develop and maintain Java applications using Spring Boot and Spring Batch. Design and integrate microservices, build secure high-performance REST/OData APIs, write JUnit tests, ensure code quality, and optimize SQL database queries.

Design, build, and deploy secure, high-performance, scalable cloud-native applications supporting Ariba P2P. Work full-stack in Java using Spring Boot and the SAP BTP Cloud Foundry CAP (Java) model, applying resiliency, security, and performance best practices.

Develop and maintain Java Spring Boot services with multithreading and Spring Batch. Build OData/REST APIs, write high-coverage JUnit tests, and author SQL queries. Ensure robust exception handling and code quality; collaborate on automation and UI work where needed.

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.

Looking for a Java Developer with expertise in Kafka and Cassandra for a 9 to 12 month contract in San Francisco.

The Java Developer will work on backend development using Java, Spring Boot, and Cassandra, requiring knowledge in data modeling and high availability features, alongside Kafka for messaging.