Top Java Developer Jobs in Boston, MA

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.

Senior/Lead Java developer to design and build a new system using Java 8+, Spring Boot, GraphQL, REST and AWS (ECS/Fargate). Must own complex features, contribute hands-on, and have intermediate Python skills. Asset management domain experience, low-latency big-data familiarity, and performance tuning are desirable.

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.

Early-career backend engineer contributing to Java-based services and APIs. Design, implement, test, and deploy production-quality code, participate in code reviews, collaborate with product and senior engineers, and use AI-assisted development tools to accelerate delivery and maintainable systems.

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.

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.

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

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 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.

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.

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.

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 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.

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.

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

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