Top Java Developer Jobs in Boston, MA

Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.

Build and deliver backend enterprise web applications for Citi's Integrated Digital Assets Platform using Java/Spring and web3 technologies. Collaborate with distributed teams, follow best practices and design patterns, write technical documentation, resolve issues, and ensure scalability, reliability, and performance.

Design, build, and maintain secure, high-performance RESTful APIs and microservices using Java and Spring Boot. Collaborate with cross-functional teams, implement API security (OAuth2/JWT/OpenID Connect), optimize databases, integrate messaging systems, write unit/integration/API tests, participate in code reviews and architecture decisions, troubleshoot production issues, and contribute to CI/CD and DevSecOps practices.

Lead architecture and delivery of enterprise Java full-stack applications. Hands-on development with Java/Spring Boot, microservices, AWS cloud-native services, database tuning (Oracle/RDS), CI/CD pipelines, monitoring, and incident resolution. Mentor engineers, enforce code quality, run architectural reviews, and collaborate with product, DevOps, and security teams to ensure scalable, secure, high-availability solutions.

Design, build, and maintain scalable enterprise full-stack applications using Java, Spring Boot, microservices, and modern front-end frameworks. Implement cloud-based solutions on AWS, contribute to CI/CD and DevOps automation, optimize performance and security, and integrate AI-driven capabilities using Python and orchestration tools like LangChain and LangGraph.

Develop, maintain, and optimize backend services and APIs for a scalable healthcare platform using Node.js, Java, or .NET. Integrate third-party services, ensure performance, reliability, and security, collaborate with cross-functional teams, participate in code reviews, and work in an Agile environment to deliver high-quality server-side applications.

Designs and delivers web-services-based solutions on the Java platform for complex systems (identity, access, ecommerce, subscription). Performs system analysis, coding, unit/integration testing, documentation, and adheres to standards for security, accessibility, and performance. Works in cross-functional Agile teams, decomposes requirements, estimates tasks, and participates in architecture and design reviews.

Lead and mentor on-shore/off-shore Java development teams to design, develop, test, debug, and deploy complex web applications and services. Drive technical reviews, estimates, best-practices, and incident resolution; collaborate with business sponsors and clients; write unit tests; ensure database and performance/security considerations are addressed.

Senior back-end Java developer responsible for designing, developing, testing, deploying, and maintaining scalable web platform services. Responsibilities include RESTful API design, migrating legacy systems, mentoring team members, evaluating new technologies, and collaborating with product management.

Senior Java Developer focused on front-end UI development. Build highly interactive user interfaces using JavaScript, HTML5, CSS3 and jQuery. Spend majority of time on client-side features and some backend work with Java/JSP. Collaborate with product and design teams, solve complex problems, evolve architecture, and deliver features on schedule.

Design, develop and implement J2EE applications using Webservices, Spring MVC, iBatis/Hibernate and JavaScript/HTML5. Gather requirements in client-facing roles for US financial services, act as single point of contact, participate in SDLC, design and architecture reviews, and support development and maintenance across global delivery teams. Domain experience in agency management, billing, NB and underwriting required.

Design, develop, and implement J2EE applications for US financial services clients. Build web services using Spring MVC, iBatis/Hibernate, and JavaScript/HTML5. Perform requirements analysis in client-facing role, serve as single point of contact, participate in SDLC, project lifecycle, design and architecture reviews, and work in a global delivery environment with insurance/financial domain expertise.

Design and implement Java-based enterprise application features across the full SDLC. Collaborate with architects and stakeholders, participate in Agile/Scrum, perform code reviews, troubleshoot production issues, and mentor delivery team members.

Design and develop back-end microservices and REST APIs for connected devices, web and mobile apps; collaborate with front-end/mobile teams; optimize system performance; build CI/unit test automation; document APIs; follow Agile/Scrum processes and cloud-based distributed scaling.

Senior Java Developer on an agile team to design, develop, test, and deploy enterprise-grade Java/J2EE web applications. Ensure performance, security, scalability, maintain documentation, review requirements, propose solutions, and improve SDLC through TDD, CI/CD automation, code reviews, and collaboration with architects and stakeholders.

Lead modernization and migration of legacy Struts 1 applications to modern Java platforms. Design, develop, and maintain scalable Java 21 applications using Spring 6 and REST APIs, troubleshoot production issues, participate in code reviews, and collaborate with cross-functional teams to deliver high-quality software.

Design, build, and maintain scalable Java Spring Boot microservices and REST APIs. Deploy and operate cloud-native applications on GCP, implement CI/CD, optimize performance and databases, ensure security and reliability, collaborate with cross-functional teams, and troubleshoot production issues.

Participate in project meetings and collaborate with product owners and QA. Design scalable Java microservices, document technical designs, implement and test code, triage production issues, and mentor junior engineers while supporting hiring efforts.

Senior Java developer responsible for designing and building enterprise applications and REST APIs using Core Java, Spring Boot microservices, Spring/Hibernate. Must deliver high-availability, secure, multithreaded systems, work with Oracle PL/SQL, follow agile practices, and collaborate with distributed teams and business users.

Senior Java developer responsible for building enterprise, high-availability REST APIs and Spring Boot microservices. Requires strong Core Java, multithreading, OOP and architectural skills, Spring/Hibernate, Oracle PL/SQL, security practices, Agile experience, and effective communication for collaboration with global teams.

Lead architecture and delivery of large-scale Java microservices. Define standards, mentor teams, design RESTful and event-driven systems, ensure scalability, resiliency, CI/CD, observability, and data governance while collaborating with stakeholders and managing technical risk.

Lead architecture and delivery of Java-based microservices, define standards, mentor engineers, collaborate with stakeholders on technology roadmap, ensure scalability, resilience, monitoring, CI/CD, and data governance for large-scale production systems.

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.

Design, develop, and maintain web applications using Java/Spring Boot backends and Angular frontends. Build RESTful APIs, write clean maintainable code, participate across the SDLC, collaborate with cross-functional teams, troubleshoot full-stack issues, and help improve development processes and tools.

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.