Top Senior Java Developer Jobs in Boston, MA

Develop and optimize high-throughput C++ algorithms for remote sensor data exploitation, image analysis, detection, and tracking. Design software architectures, implement new algorithms, contribute to shared tools, and collaborate within an Agile team. The role requires strong object-oriented programming, database experience, Linux proficiency, multithreading and concurrency skills, data-structure knowledge, and optimization expertise.

Develops advanced Java customizations for PTC Windchill, including services, listeners, processors, workflows, data models, JSP/HTML extensions, queues, and background processes. Optimizes performance, supports upgrades and migrations, troubleshoots production issues, documents architecture and operations, conducts code reviews, collaborates with stakeholders, and mentors junior engineers.

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 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 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 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.

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.

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.

Leads software engineering within an agile banking technology team, providing technical direction and developing secure, scalable production code. Responsibilities include system design, application development, testing, debugging, operational stability, CI/CD automation, Kubernetes-based deployment, and SDLC advocacy. The role also drives responsible adoption of AI-assisted engineering tools, coaches teams on secure validation practices, influences technical decisions, and serves as a subject matter expert across applications and technologies.

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.

Design, develop, and maintain backend services and APIs for an AI-native health platform. Lead technical designs, ensure engineering excellence, manage release cycles, collaborate across teams, drive operational excellence, and support production monitoring, incident triage, and deployment readiness.

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 modernize full-stack web applications using Java and Angular in a cloud microservices architecture. Build and deploy Dockerized services on AWS (ECS/ECR), implement REST APIs, write unit and automated tests, enforce code quality in GitLab pipelines, collaborate in Agile teams, and mentor teammates. Participate in sprint ceremonies, manage user stories, perform testing (functional, exploratory, performance), and resolve defects to deliver reliable production software.

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.

Design, develop, test, deploy and support large Java applications on Linux/UNIX (ksh). Own integrations, resolve complex issues, maintain SLAs, use Kubernetes, CI/CD (Harness/Jenkins), GitHub, monitoring/observability, and collaborate with product owners to deliver large projects.

Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.

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.

Design, develop, and maintain scalable Java/Micronaut enterprise frameworks and cloud-native microservices on Azure. Build and deploy services to AKS, create CI/CD pipelines with Azure DevOps, implement batch/asynchronous workflows, integrate messaging systems, optimize databases, and ensure security, observability, and resilience.

As a Senior Software Engineer, you will build cloud solutions, define migration strategies, mentor junior engineers, and ensure architectural integrity while collaborating with peers.

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.