Top Java Developer Jobs in San Francisco Bay Area, CA

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.

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

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

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, code, test, implement, maintain, and support Java-based services. Analyze production issues, identify root causes, participate in code reviews and design meetings, maintain unit-tested code quality, document software, and deliver requirements within a Scrum environment.

Develop and modernize laboratory informatics software by converting Perl CGI applications to Java web services. Responsibilities include Java and Perl development, unit testing, SQL and database optimization, dynamic reporting, software design, application integration, code reviews, system interfaces, algorithm development, and architectural evaluations within regulated pharmaceutical and life sciences environments.

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.

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.

Design, develop, test, deploy, and maintain scalable Java backend applications using Spring Boot and microservices. Build RESTful and SOAP integrations, optimize performance and reliability, implement security controls, and develop relational and NoSQL database solutions. Collaborate with architects, product owners, and frontend teams; participate in design reviews and architectural decisions; troubleshoot production issues; and uphold DevOps, CI/CD, coding, and Agile practices. Mentor junior developers and guide technical discussions across enterprise development teams.

Investigate and resolve data-quality issues in large-scale distributed systems. Design Java-based repair pipelines and idempotent correction jobs for high-volume datasets, debug existing code, use AWS services for queue-driven and batch workflows, optimize performance and concurrency, and communicate technical findings and risks to stakeholders.

Develop and maintain the Java client library and high-performance C/C++ server applications. Implement message parsers and feed handlers, optimize for extreme throughput and low latency, build tools for petabyte-scale processing, collaborate on build/deploy/CI practices, monitor uptime, and support smooth feature rollouts.

Designs, implements, and runs Java Spring Boot microservices and REST APIs; leads design, CI/CD, TDD, performance tuning, security, and cross-product collaboration. Coaches teams and owns product KPIs and production support.

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.

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.

Design, build, and support cloud-native full stack or backend Java products using TDD, CI/CD, microservices and event-driven patterns. Collaborate with product teams, provide production support, implement monitoring and ensure secure, performant systems.

Design, build, and maintain scalable J2EE business applications. Implement features, fix bugs, participate in code reviews, automate tests, optimize performance, and produce documentation.