Top Java Developer Jobs in Boston, MA

You will design, build, and maintain scalable applications using Java and JavaScript, collaborating across teams and managing databases.

The Senior Java Developer will design and develop microservices, engage in Agile practices, and collaborate with teams to solve industry challenges using various technologies.

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.

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.

Design and implement advanced Java customizations for PTC Windchill (services, listeners, processors, TAM types, JSP/HTML extensions). Optimize performance, support upgrades and post-go-live incidents, lead migration from legacy customizations, produce technical documentation, and mentor junior engineers while collaborating with product and operations stakeholders.

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

Develop cloud-native applications using Java and JavaScript, create RESTful services, design databases, and troubleshoot performance issues.

Seeking a Full Stack Java Developer with 6-10 years experience in cloud-native development, RESTful services, and agile team collaboration.

The Java Developer will work on concurrency, data structures, software design principles, testing with JUnit, and database interaction using JDBC. Familiarity with microservices, messaging patterns, and algorithmic skills is desired. Experience with build tools and Linux is a plus.

Join an elite engineering team to develop massive data processing systems using Core Java and AWS, focusing on Big Data and performance optimization.

USM Business Systems seeks a Java Developer with significant experience in P&C claims and DCT claims. The role involves project-driven tasks and requires strong industry knowledge.

The Java Developer will work on integration projects utilizing Camel or iWay ESB, focusing on web services and interacting with clients in a healthcare environment.

The role involves migrating existing applications to the cloud using Core Java and Postgres, while also prototyping the migration process.

Looking for a Core Java Developer with expertise in multi-threading and real-time processing. Must focus only on core Java, not J2EE.

The Core Java Developer will work on multi-threading and real-time processing applications, focusing on core Java, not J2EE.

The Sr Java Developer will develop back-end services, focusing on Java REST APIs while also writing SQL scripts and utilizing Linux and shell scripting.

The Senior Backend Engineer will design and develop scalable software applications, focus on cloud migration, and lead technical efforts with development teams.

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.

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.

Optimize and scale blockchain node performance, design and implement core system plugins, collaborate with cross-functional teams, conduct performance testing and debugging, and stay current on blockchain and distributed systems technologies to maintain reliable infrastructure.