Top Java Developer Jobs in Boston, MA

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.

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.

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.

Develop secure, scalable Java applications within an agile engineering team. Provide technical guidance, review and debug production code, influence application design and technical processes, and serve as a subject matter expert. Lead adoption of AI-assisted development tools with validation for security, performance, and correctness. Apply SDLC, CI/CD, resiliency, security, and Kubernetes expertise while supporting containerized applications and collaborating with technical teams, contractors, and vendors.

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.

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, 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.

Design, develop, and maintain Java-based backend services (rating, eligibility, product data) on AWS. Convert high-level specs into detailed designs, write and test code, document design decisions, collaborate across teams, ensure performance, quality, security, and provide technical guidance for moderate-to-complex business solutions.

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.

As a Senior Developer, you will modernize COBOL systems to Java, enhancing functionality and performance while collaborating with stakeholders and ensuring coding standards are met.

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.

Design, build, and maintain cloud-native microservices and scalable search/data ingestion systems. Lead architecture, optimize database performance, implement event-driven solutions, mentor engineers, and collaborate across product teams to deliver reliable, production-ready cybersecurity platform features.

Develop, test, and maintain a complex distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements. Work with distributed workloads (Spark/Hadoop), SQL/Snowflake, AWS, shell scripting, and job scheduling/process automation. Support delivery under Agile/SAFe practices and ensure alignment with program standards.

Design, develop, and maintain web-based UI and REST middleware for federal health IT systems. Participate in Agile/SAFe ceremonies, write design documents, implement features, resolve bugs, and support CI/CD pipelines while collaborating with product, QA, and stakeholders.

Lead backend architecture and implementation for Java Spring microservices, validate and own AI-assisted code, mentor engineers, collaborate with product to deliver features, and drive technical excellence and scalable, test-covered systems.

Develop and deliver enterprise software for centralized management of hyper-converged datacenter products. Collaborate with architects, product management, QA, and system test in an Agile/Scrum environment. Implement Java and Python components, REST APIs, and integrate with VMware and datacenter automation tools.

Seeking a senior Java developer with 5+ years building J2EE/web applications, distributed and real-time systems. Responsibilities include OOA/OOD, implementing core business logic, APIs and frameworks, web UIs (AngularJS/jQuery/HTML5/Swing/JavaFX), application frameworks (Spring/Hibernate/JSF/Struts), SOA/Web Services integration, working on Unix/Linux/Windows, and using build/deploy/test automation tools (Ant/Maven/Jenkins/Chef/JUnit/Selenium). Preferred: Cassandra, RabbitMQ, Pivotal Cloud Foundry, Spring Boot.

Senior Java developer responsible for designing, developing, testing and maintaining Java/J2EE web applications using Spring, Hibernate, JMS and frontend frameworks (Angular/Bootstrap). Participate in SDLC activities, Agile/Scrum rituals, database design and query optimization, CI/build scripts, and use enterprise app servers and tools for deployment and testing.