Top Java Developer Jobs in San Francisco Bay Area, CA

The Sr. Java Developer is responsible for designing, implementing, and maintaining scalable APIs, leading junior developers, and tackling big data challenges using various technologies. Must have strong Java, Kafka, and NoSQL experience.

Develop, maintain, and optimize backend services and RESTful APIs using Node.js, Java, or .NET. Integrate with databases and third-party services, collaborate with cross-functional teams, participate in code reviews, and ensure performance, reliability, and security in an Agile environment.

As a Senior Software Engineer, you will maintain and develop data connectors, enhance data integrations, and improve developer experience within the ClickHouse data ecosystem.

The Sr. Java Developer will design and implement core Java/J2EE systems, lead projects, and mentor teams while managing technical challenges.

Seeking a Java Developer with experience in designing and supporting e-commerce platforms. Requires knowledge of Java, J2EE frameworks and database. Strong communication skills preferred.

Seeking a Java Developer with extensive experience in front-end and back-end technologies. Must have mobile app development skills and strong Java knowledge.

The candidate will write code in Core Java and work with frameworks like Spring or Hibernate, as well as with Restful APIs.

Seeking a Java/Cloud developer with 5+ years of experience. Responsibilities include designing scalable web services and cloud APIs, promoting engineering practices, and providing support for existing platforms.

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.

The Senior Java Developer will focus on backend development, utilizing Java, Kafka, Cassandra, and Spring technologies to create complex systems and maintain high availability.

Lead enterprise-level Java/J2EE development projects, utilizing extensive experience in server-side programming and object-oriented design, including performance tuning.

Lead development projects using Java/J2EE technologies, focusing on server-side development and performance tuning for eCommerce applications.

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.

Lead development projects utilizing Java/J2EE, focusing on server-side applications and eCommerce. Requires extensive experience in object-oriented programming and performance optimization.

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.

The Senior Java Developer will design, develop, and implement custom software solutions in Agile teams, mentor juniors, and ensure product quality.

Develop, test, and deploy Java application components. Create JUnit tests and component documentation, prepare test environments, run component/assembly/system tests, troubleshoot and support applications, and collaborate with users to validate test results.

Translate functional requirements into technical designs, develop Java-based applications (Spring/SpringBoot), write unit tests (JUnit), build RESTful APIs, collaborate with QA on test scenarios, maintain system documentation, and support deployments and Tomcat configuration.

Senior Java engineer delivering AI-augmented production features and modernizations across a Java/Python/AWS stack. Pair with engineers to embed agentic practices, own systems end-to-end, participate in AI-augmented reviews, and judge agent use versus human intervention.

Senior Java engineer delivering AI-augmented production features and modernizations across a Java/Python/AWS stack. Own systems end-to-end, pair with engineers to transfer agentic practices, perform AI-augmented code reviews, and judge when to trust or intervene with agent outputs.

Architect, implement, and optimize live and on-demand streaming pipelines in Wowza. Design scalable transcoding and packaging workflows, debug performance issues, integrate native code via JNI, and serve as a streaming subject-matter expert across cross-functional projects.