Top Java Developer Jobs in Boston, MA

Leads the design, development, testing, and modernization of high-performance trade management platforms supporting FICC and derivatives across the full trade lifecycle. Builds scalable Java and Python distributed systems using microservices, cloud-native architecture, gRPC, service mesh, and messaging technologies. Collaborates with traders, quants, product owners, and technology teams; establishes engineering standards, resolves complex technical issues, leads initiatives, and mentors engineers.

Lead and mentor a team building distributed, cloud-based full‑stack systems and microservices for risk management. Collaborate with product managers to design, implement, and deploy scalable solutions using modern languages, containers, and cloud services while driving technical excellence and adoption of AI-enabled tooling.

Build and operate enterprise full-stack applications using Java, Spring Boot, microservices, REST APIs, React, SQL, and cloud platforms. Responsibilities include system design, service decomposition, observability, database schema design and query tuning, CI/CD, Git workflows, debugging, troubleshooting, and root-cause analysis. Preferred work includes event-driven architectures, Docker, Kubernetes, distributed systems, and automated testing.

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.

Develop and maintain advanced PTC Windchill customizations using Java, APIs, services, listeners, workflows, queues, JSP, HTML, and TAM. Optimize performance, support upgrades and migrations, troubleshoot production issues, document architecture and operations, conduct reviews, collaborate with consultants and stakeholders, and mentor junior engineers. The role also involves post-go-live support and developing upgrade-friendly solutions.

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.

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.

The Senior Backend Engineer will design and develop scalable software applications, focus on cloud migration, and lead technical efforts with development teams.

Design and implement deep Windchill Java customizations (services, listeners, processors, TAM, JSP/HTML extensions), optimize performance, lead migrations, support upgrades and post-go-live operations, document architecture, and mentor junior engineers.

Design, develop, test, and support scalable Java-based applications and REST APIs. Collaborate with architects, product and infrastructure teams to implement microservices, optimize performance, apply CI/CD practices, and participate in agile ceremonies. Lead code reviews, contribute to reusable frameworks, and support production troubleshooting and deployments.

Build, test, troubleshoot, and support complex Java applications in global team environments. Participate in graduate training covering full-stack development, software engineering principles, databases, SDLC, testing, monitoring, and troubleshooting. Complete a 12–24 month client placement with ongoing mentorship and training, with potential conversion to permanent employment.

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 maintain scalable full-stack web applications, backend services, APIs, microservices, databases, and cloud deployments. Responsibilities include architecture and system design, application security, troubleshooting, performance optimization, CI/CD support, code reviews, production releases, cross-functional collaboration, and mentoring junior developers. The role requires ownership of complex features across frontend, backend, database, and infrastructure layers.

Lead design and architecture of scalable Java-based microservice enterprise applications in the Supply Chain Order Management domain. Mentor and lead engineering teams, translate business requirements into technical specifications, collaborate with offshore teams, implement CI, monitoring, and testing practices, and ensure system reliability and observability.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.