Top Java Developer Jobs in Boston, MA

Develop full-stack enterprise applications and microservices using Java, Spring Boot, REST/OpenAPI, relational databases, JMS, and Kafka. Build automated tests, Docker containers, Kubernetes deployments, CI/CD pipelines, API portals, and React or Angular interfaces. Troubleshoot application, database, messaging, and cloud-native infrastructure issues while applying secure coding, API governance, observability, and event-driven architecture practices. The role supports federal civilian programs remotely during East Coast hours, requires U.S. citizenship, quarterly travel, and either Public Trust eligibility or an active Secret clearance depending on program.

Build and maintain Java and Spring Boot backend services, REST APIs, SQL integrations, and React or Angular interfaces. Write tested code, troubleshoot issues, improve performance, and support deployment through CI/CD. The role also involves integrating basic AI capabilities such as LLM APIs and AI assistants into application workflows.

Leads the architecture, development, testing, deployment, and production support of scalable full-stack applications. Builds React and TypeScript frontends, backend APIs and microservices, and cloud-native AWS solutions. Drives system design, observability, security, performance, CI/CD, and automated testing while mentoring engineers and guiding architecture and code reviews. Collaborates with product, design, architecture, and business stakeholders to deliver enterprise-grade solutions and resolve complex production issues.

Senior individual-contributor backend engineer responsible for designing, building, and operating production-grade, highly available, strongly consistent services for wallet operations, transaction orchestration, blockchain integrations, and event-driven workflows. Implement secure, scalable APIs, cryptographic key management, Kafka-based event systems, observability with OpenTelemetry, CI/CD pipelines, and produce tests, API specs, and operational runbooks.

Develop and maintain scalable Java backend systems using Spring Boot and microservices architecture. Collaborate with customer teams, review specifications, write clean code, participate in code reviews, document solutions, and troubleshoot and optimize backend performance, reliability, and security. The role also contributes technical expertise to training next-generation AI systems, though prior AI experience is not required.

Develop and deploy full-stack applications using Java, Spring, Angular, Oracle, and Azure. Responsibilities include building REST APIs and microservices, optimizing database performance, troubleshooting across the stack, participating in architecture and code reviews, and collaborating with QA, DevOps, UX, and product teams.

Develop and maintain scalable enterprise Java applications and Spring-based microservices. Responsibilities include hands-on coding, unit and system testing, debugging, technical documentation, performance optimization, troubleshooting distributed cloud environments, and adherence to software development and security standards. Collaborate with technical leads, architects, and cross-functional Agile teams to design and implement complex global applications.

Build, test, troubleshoot, and support complex full-stack applications in global team environments. The role includes 4–8 weeks of Java-focused training, ongoing mentorship, and a 12–24 month client placement. Responsibilities involve applying software engineering principles, database concepts, test-driven development, monitoring, and SDLC practices while collaborating with development teams.

Build and maintain Java backend services, REST APIs, and full-stack web application features. Develop frontend functionality with modern JavaScript frameworks, use Python for supporting work, and leverage AI coding tools such as Claude Code. Write tests, debug issues, support deployment and maintenance, and collaborate on design decisions, code reviews, and application quality improvements.

Maintain and support Java-based healthcare SaaS applications across multiple customer environments. Responsibilities include bug fixes, feature delivery, refactoring, deployments, security remediation, SQL and data migrations, code reviews, configuration improvements, and production support. The role requires a generalist software engineer comfortable with Java, Angular, SQL, REST APIs, enterprise applications, and customer-facing environments.

Develop scalable Java Spring Boot APIs, microservices, React-based interfaces, ETL pipelines, and SQL data solutions. Deploy workloads on AWS, optimize performance, implement monitoring and automation, and collaborate with product, frontend, data, and DevOps teams. The role also contributes to architecture, accessibility, reliability, and data-driven product improvements.

Develop and maintain scalable Java and Spring Boot backend applications, microservices, and RESTful APIs. Responsibilities include database integration, code reviews, performance optimization, production troubleshooting, testing, CI/CD, cloud deployment, and collaboration with product, QA, and DevOps teams.

Develop and maintain scalable Java and Spring Boot backend applications and REST APIs. Optimize CPU, memory, and overall application performance; identify bottlenecks; resolve production issues; and contribute to architecture, code reviews, reliability, and scalability. The role also involves Node.js or Python FastAPI services, cross-functional collaboration, and potential work with GraphQL, generative AI, cloud platforms, containers, CI/CD, and monitoring tools.

Designs, develops, tests, documents, and operates large-scale distributed software products for Allstate’s Enterprise Payments organization. Responsibilities include building Java and Spring Boot REST APIs, designing microservices, collaborating on system architecture, practicing paired programming and test-driven development, establishing CI/CD pipelines, improving performance, securing APIs, supporting production applications, and contributing to Agile planning, retrospectives, and knowledge sharing.

Develop and maintain secure, scalable full-stack applications using Java and React. Build RESTful APIs, microservices, responsive interfaces, and cloud-native solutions. Collaborate with UX, cloud, DevOps, and testing teams; support CI/CD, cloud deployments, code reviews, troubleshooting, Agile ceremonies, change management, regression testing, and production releases.

Build and maintain a high-performance Order Management System supporting systematic investment strategies and millions of annual orders. Collaborate with traders, quantitative researchers, and operations across the full trading lifecycle, including equities, swaps, and futures. Develop Java microservices and web applications using event-driven architecture, support production systems, and improve scalability and robustness. The role requires strong Java, SQL, Linux, distributed systems, and agile engineering skills, with opportunities to work in front-office financial technology.

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

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

Lead the architecture and modernization of a complex enterprise SaaS platform while remaining hands-on with critical software design and development. Define technical direction, improve scalability, reliability, security, performance, and maintainability, and guide design and code reviews. Partner across engineering and product teams, resolve complex technical challenges, establish engineering standards, mentor engineers, and translate architectural strategy into practical delivery.

Develop and support J2EE applications, build business functions and web services using object-oriented design, and troubleshoot, fix, and test defects from change control or production activities. The role requires strong Java development skills, familiarity with enterprise frameworks and application servers, Oracle databases, design patterns, and web services. Candidates need six to eight years of Java systems development experience and a bachelor’s degree in computer or information science.

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.

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.