Top Java Developer Jobs in San Francisco Bay Area, CA

Design, build, and maintain cloud-native microservices and scalable search/data ingestion systems. Lead architecture, optimize database performance, implement event-driven solutions, mentor engineers, and collaborate across product teams to deliver reliable, production-ready cybersecurity platform features.

This role requires a Java/Cloud engineer with extensive experience in Java development, cloud technologies, and strong problem-solving skills, capable of working independently and communicating effectively with senior leadership.

The Sr. Staff Software Engineer will lead the development and deployment of software solutions, shaping technical strategies, mentoring engineers, and overseeing systems' long-term health.

The Sr. Software Engineer designs, develops, tests, and maintains software applications, serving as an expert on projects and driving the full development life cycle, while also mentoring other engineers and ensuring code quality through reviews and testing.

Develop and maintain Core Java applications with emphasis on strong data structures, algorithms, multi-threading, and concurrency. Collaborate on design and implement performant, thread-safe code.

Lead AEM developer responsible for Adobe CQ/AEM development with strong Java/J2EE skills; manage tag/script via Adobe DTM, A/B testing with Adobe Target, collaborate with PM/QA/UX, assist deployments and migrations, integrate social features, and generate Adobe SiteCatalyst reports.

Senior Java developer to build and maintain core Java/J2EE applications with faceted/index search capabilities using Apache Solr, Lucene, and Hibernate Search. Work may involve MySQL and distributed database technologies on a 12-month contract with possible extensions.

Lead design and development of Java/J2EE web applications using JPA, EJB3, JBoss (Seam, EAP), JSF, Spring, Hibernate, and Oracle. Implement web services, messaging, CI/CD with Git/Jenkins/Maven, and participate in Agile/Scrum delivery. Provide technical leadership and solve complex architectural and integration problems.

Develop and maintain Java/J2EE applications using Spring and Hibernate. Write PL/SQL and SQL, work with WebLogic, source control, CI tools, and participate in requirements elicitation, estimations, and client discussions in a global delivery environment.

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 applications and RESTful APIs using Spring. Integrate with backend databases and Big Data platforms (Hadoop, HDFS, HBase, Hive, MapReduce, Pig). Participate in design, coding, testing, and documentation within an Agile, global delivery model. Take ownership of deliverables, communicate with stakeholders, and work in demanding customer environments. APIGEE/SOA and API integration experience preferred.

Develop and maintain Java/J2EE applications using Spring, Hibernate, web services, and Oracle. Participate in requirements elicitation, create use cases and system functional requirements, produce UML/sequence diagrams, perform estimations, and collaborate with global delivery and client teams.

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, develop, and maintain Java/J2EE REST APIs and web applications using Spring, Jersey, Hibernate, and frontend frameworks. Implement OAuth2 authentication, API documentation (Swagger/RAML), unit tests, and scalable multithreaded distributed solutions while participating in SDLC, code reviews, and global delivery.

Develop and maintain Java/J2EE applications and REST APIs using Spring, Jersey, Hibernate and Tomcat. Implement OAuth2 authentication, API tooling (Swagger/RAML), unit tests and code reviews. Design scalable, multi-threaded distributed systems, follow SDLC and participate in global delivery.

Design, develop and maintain Java/J2EE applications and APIs using Spring, Jersey and Hibernate. Implement OAuth2 and API tooling (Swagger/RAML), ensure unit testing and code reviews, build scalable multi-threaded distributed systems, follow SDLC and collaborate in a global delivery environment.

Develop and maintain Java/J2EE APIs and web applications using Spring, Jersey, Hibernate, REST, AngularJS/ReactJS. Implement OAuth2 authentication, API tooling (Swagger/RAML), unit tests, and scalable multi-threaded designs while following SDLC and code review practices in a global delivery environment.

Develop and maintain Java/J2EE applications and REST APIs using Spring, Jersey, and Hibernate. Build scalable, multithreaded distributed systems on Tomcat, implement OAuth2/API authentication, use API tooling (Swagger/RAML), perform unit testing and code reviews, and follow SDLC and project lifecycle processes.

Develop and maintain Java/J2EE REST/SOAP APIs using Spring, Jersey, Hibernate on Tomcat. Implement OAuth2 authentication, API documentation (Swagger/RAML), unit tests, and design scalable, multithreaded systems. Translate business requirements into technical solutions and participate in code reviews.

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.

Lead a Java development team to analyze complex requirements, create technical specifications, maintain code quality and best practices, oversee delivery plans, and ensure performance-tuned database-driven enterprise applications.

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.

Design, develop, test, and maintain Java-based enterprise applications and scalable REST APIs/microservices using Spring Boot. Work with relational databases, unit/integration tests, CI/CD, version control, and participate in Agile ceremonies. Support cloud deployments, debugging, code reviews, and collaborate with cross-functional teams.

Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.

Develop and maintain Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.