Top Java Developer Jobs in Boston, MA

The Java Developer will enhance data utilization for a large state-run project, involving data aggregation, web application development, and collaboration with other teams.

Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements.

Senior front-end developer building complex, interactive web applications using advanced JavaScript, HTML5, and CSS3. Collaborate with UX, product, and backend (Ruby/Java) teams to design reusable components, enforce client-side business logic, write unit tests, and improve product and processes in an Agile 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 Lead or Architect Java Developer will provide technical leadership in responsive web design and implementation, focusing on architecture and hands-on development with a strong emphasis on Java and modern web technologies.

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.

The Java Developer will design, develop, and maintain software solutions, conduct testing, and support end-users. Experience in Java and web application development is essential.

Seeking a Java Developer with 3-5 years of experience in Java/J2EE, responsible for design, development, and maintenance of software applications, and collaborating with user groups.

This role requires a Full Stack Java Developer with strong skills in Java, Node.js, and Database, seeking candidates with 6-9 years of experience.

The position involves full stack development with strong Java and Node.js skills, focusing on database management, for a 6-9 years experienced candidate.

The Java Developer will focus on developing and supporting laboratory informatics solutions, collaborating with stakeholders, and translating requirements into actionable tasks.

The Java Developer will implement and integrate software products for external clients, requiring technical development work and direct customer communication.

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.

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.

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.

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

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.