Top Senior Java Developer Jobs in Pittsburgh, PA

Lead the design and implementation of application solutions, guide technical decisions, mentor team members, and ensure timely delivery of quality software. Oversee data integration and enforce SDLC standards.

Lead design, development, and end-to-end delivery of Java-based, API-driven distributed systems. Own code, deployments (uDeploy), database/T-SQL work, Git source control, and Linux platform support. Act as technical leader setting standards, resolving escalations, supporting change/incident processes, and guiding teams on cloud/hybrid and regulatory-driven initiatives. In-office Pittsburgh role; employer will not sponsor work visas.

Build and optimize high-performance, responsive web and mobile applications using Angular. Architect front-end components integrating with Java microservices, implement efficient data streaming and caching strategies (Redis, off-heap), translate Figma designs into pixel-perfect UIs, ensure scalability and high-concurrency handling with NgRx/RxJS, and contribute to a reusable enterprise design system.

As a Senior Software Engineer, you will design and develop software solutions, maintain and debug programs, and ensure alignment with customer needs.

Lead technical design and development of Java-based software solutions for Capital Markets derivatives. Propose and implement complex designs, provide technical guidance, review code/testing/documentation, apply modern methodologies, and collaborate with business stakeholders to solve problems and improve systems.

Analyze legacy TIBCO BusinessWorks/MFT processes to extract business logic, design and build a decoupled Java/Spring Boot microservices platform, migrate protocols to Kafka/RabbitMQ/REST, translate XML-heavy transformations to modern formats, and validate performance and SLAs to match legacy throughput.

Reverse-engineer TIBCO BW/MFT processes to extract business logic, then design and implement a modular Java/Spring Boot microservices replacement. Migrate protocols to Kafka/RabbitMQ/REST, translate XML transformations, ensure data persistence and consistency, and validate performance to meet existing SLAs.

Design, build, and maintain Java/J2EE multi-layer applications and APIs. Collaborate with architects and DevOps to implement CI/CD, code quality, testing, and database solutions (DB2/Oracle, PL/SQL). Support cross-team delivery, resolve technical roadblocks, and drive process improvements in an asset management/financial services context.

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.

Build and maintain backend services and REST APIs using Java (11/17+) and .NET (ASP.NET Core). Implement business logic, data access, and integrations; write well-tested code with JUnit/xUnit/NUnit; contribute to CI/CD and DevOps; participate in design, code reviews, and Agile ceremonies.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

Senior full-stack Java engineer responsible for designing and developing software solutions, writing code, testing, deploying, documenting, maintaining and debugging applications. Collaborates on technical design, proposes solutions for complex business needs, and supports release management, application testing, and customer-focused delivery while adhering to risk management practices.

The Senior Full Stack Java Developer will design and maintain enterprise applications using Java and modern front-end technologies while collaborating in Agile teams and mentoring junior developers.

Senior full‑stack engineer building and scaling React frontends and Java Spring Boot backend microservices. Design REST APIs, integrate external systems, implement CI/CD, troubleshoot production issues, and collaborate with product, UX, QA, and DevOps teams.

The Vice President Full Stack Java Engineer will build microservices using Java and Spring Boot, ensure software reliability, and collaborate across teams to deliver solutions in financial services.

The role involves designing and developing software solutions using Java and Spring Boot, mentoring junior engineers, and collaborating across teams. The position requires strong programming skills, knowledge of microservices, and experience with RESTful APIs, containerization, and DevOps practices.

Lead the design and development of scalable web applications using Java and Spring Boot. Mentor junior developers and implement best practices.

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.

Develop Java-based enterprise software for centralized management of hyperconverged data-center products. Collaborate with cross-functional teams in Agile/Scrum, integrate core components, implement REST APIs, and use Python scripting, VMware, Cassandra, and Spring frameworks to automate firmware and data-center operations.

Senior Java developer responsible for designing and building web and server-side applications using Java/J2EE, related frameworks (Spring, Hibernate, JSF, Struts), UI technologies, SOA/web services, automation tooling, and API/framework development. Works in agile, TDD environments on distributed systems and real-time processing with relational and messaging systems.

Develop and maintain ATG and Java/J2EE applications, build XML/REST web services, implement front-end features with JavaScript frameworks, use Struts/Spring/Hibernate, operate WebLogic and Oracle DB, work with AWS, microservices and messaging (RabbitMQ); participate in full SDLC and collaborate with stakeholders.

Design, develop, test, deploy, and maintain enterprise Java applications for USPS. Build RESTful APIs with Spring, translate requirements into architecture, implement CI/CD/DevSecOps, integrate relational databases, troubleshoot complex issues, and collaborate with cross-functional Agile teams to deliver high-quality software solutions.

Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements.

Lead modernization and migration of legacy Struts 1 applications to modern Java platforms. Design, develop, and maintain scalable Java 21 applications using Spring 6 and REST APIs, troubleshoot production issues, participate in code reviews, and collaborate with cross-functional teams to deliver high-quality software.

Senior Java developer responsible for building enterprise, high-availability REST APIs and Spring Boot microservices. Requires strong Core Java, multithreading, OOP and architectural skills, Spring/Hibernate, Oracle PL/SQL, security practices, Agile experience, and effective communication for collaboration with global teams.