Top Java Developer Jobs in Pittsburgh, PA

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Develop cloud-native Java applications using Spring Boot, microservices, REST APIs, Azure, Kubernetes, and Docker. The role involves designing distributed systems, improving scalability and performance, implementing CI/CD pipelines, troubleshooting complex issues, and collaborating with technical teams. Angular or React experience is preferred.

Provides application support and develops Java-based business systems. Responsibilities include requirements analysis, software development, testing, debugging, performance and reliability improvements, automation, causal analysis, and shared solution development. The role collaborates across teams, supports Agile CI/CD practices, manages team decisions, mentors junior developers, and serves as a subject matter expert for critical applications.

Leads architecture and technical direction for scalable, high-availability software services. Owns complex, multi-team initiatives, makes autonomous technical decisions, partners cross-functionally, mentors engineers, establishes standards, and advocates for quality. The role develops mission-critical systems supporting millions of endpoints and requires deep Java expertise, scalable system design, API development, relational databases, and strong testing practices.

Build scalable, API-first platform capabilities through manifest-driven development. Develop Java and Kotlin backend services and Python workers for third-party integrations, collaborate across engineering teams, participate in architecture reviews, and troubleshoot production systems using logs, metrics, and traces. The role requires expertise in highly scalable systems, object-oriented design, REST services, relational databases, responsive messaging, caching, and software quality practices.

Design and implement scalable backup software for endpoints, servers, and cloud applications. Develop Java and Kotlin services, optimize databases and queries, debug production systems, and resolve distributed-system performance issues. Contribute code, reviews, architecture discussions, documentation, and cross-team reliability initiatives. Mentor engineers and help deliver resilient products operating at large scale.

Lead development and architecture of highly scalable Java services supporting NinjaOne’s third-party patching catalog. Design high-availability systems, solve complex scalability and system-design challenges, improve quality and performance, collaborate cross-functionally, mentor engineers, and own technical initiatives. The role requires expertise in Java, RESTful APIs, Spring, relational databases, caching, asynchronous application design, and large-scale cloud systems.

Develop and architect scalable Java software for NinjaOne’s endpoint management platform. The role involves building high-availability services, leading technical initiatives, making architectural decisions, improving quality practices, collaborating cross-functionally, mentoring engineers, and addressing scalability, performance, and technical debt challenges.

Develop and scale backend patch-management software using Java and Kotlin for millions of endpoints. Implement enterprise software, design scalable systems, build REST services, work with relational databases and caching systems, and uphold rigorous testing and quality standards. Collaborate with AI workflow, server, platform, design, and product teams. React or Angular experience may support occasional frontend work.

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 Java applications, RESTful services, and Angular frontends using Spring Boot and NgRx. Deploy applications to cloud platforms, practice TDD, manage CI/CD with Jenkins, and work with Oracle and PostgreSQL databases. Participate in agile processes, collaborate with cross-functional teams, mentor engineers, and independently lead technical initiatives and feature delivery.

Senior Backend Engineer responsible for designing scalable Java Spring microservices, implementing features, resolving defects, and improving backend architecture. The role involves event-driven systems, relational and NoSQL databases, testing, code quality, mentoring engineers, technical leadership, and collaboration with product teams. Engineers will also validate AI-assisted code, promote AI development practices, and work with cloud-native tools across AWS, Docker, Kubernetes, and continuous delivery systems.

Develop and maintain React front ends and Java Spring Boot back-end services for a transportation-command modernization program. Responsibilities include building reusable components, integrating REST APIs, modernizing legacy applications, writing automated tests, troubleshooting performance and usability issues, participating in code reviews, supporting CI/CD deployments, and collaborating with analysts, designers, testers, and DevSecOps engineers. The role is fully remote and requires eligibility for a Secret clearance and an active IAT Level II certification.

Develop and maintain scalable full-stack applications for telecom and contact center environments. Build Java and Spring Boot microservices, REST APIs, event-driven integrations, frontend applications with Angular or React, and Node.js components. Work with PostgreSQL, OpenAPI, containers, and Jenkins CI/CD pipelines while optimizing performance and reliability. Collaborate with QA, DevOps, Product, and engineering teams on technical design, architecture, code reviews, and implementation decisions.

Build and maintain Java backend services, REST APIs, and full-stack web application features. Develop frontend functionality, use Python for supporting work, and apply AI coding tools such as Claude Code for development, testing, and debugging. Collaborate on design decisions and code reviews, troubleshoot issues, and support application deployment and maintenance across cloud environments.

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.

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.

Develop and support high-performance Java and Kafka applications using Spring Boot, microservices, REST APIs, and event-driven architecture. Build Kafka producers, consumers, topics, partitions, and schemas; integrate enterprise systems; optimize availability, resilience, and performance; and work with SQL and NoSQL databases. Collaborate with architects, business analysts, and DevOps teams, contribute to CI/CD and automated testing, provide technical guidance, and help lead solution development and technical 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.