Senior API Lead - Java Microservices Architect

Pittsburgh Tomorrow; Pittsburgh (Allegheny County); Hybrid; USD 120,000 - 160,000; Full time

Job summary

System One is seeking a Lead API Developer to design, develop, and govern enterprise APIs and backend services across Pittsburgh, Cleveland, and Dallas. The role blends hands-on coding with technical leadership in a hybrid work model, guiding API standards and best practices within an Agile environment.

You will leverage 10+ years in Java/J2EE, Spring Boot, and microservices to deliver scalable RESTful services, integrate with internal/external systems, and mentor engineers across teams.

Qualifications

• 10+ years of Java/J2EE development experience.
• Strong experience with Spring Boot and Microservices Architecture.
• 8+ years of RESTful and/or SOAP web services development.
• Experience with REST APIs, XML, JSON, and Swagger/OpenAPI.
• 5+ years of Angular, JavaScript, HTML, and CSS.
• 5+ years of GitHub, Jenkins, and CI/CD pipeline experience.
• Experience writing and maintaining unit tests.
• Experience with Agile software development methodologies.
• Experience with Release Management and production deployment.

Responsibilities

• Design, develop, and maintain scalable APIs, microservices, and backend applications
• Lead API development efforts and provide technical mentorship to team members
• Build and support Java-based RESTful services integrated with internal and external systems
• Drive API standards, architecture decisions, and development best practicesParticipate in solution design, code reviews, and technical planning
• Create technical designs and translate business requirements into scalable solutions
• Support release planning, change management, production deployments, and post-release validation
• Troubleshoot and optimize applications across multiple environments
• Collaborate with business, product, and technical stakeholders in an Agile environment

Skills

Java/J2EE

Spring Boot

RESTful APIs

XML/JSON & Swagger/OpenAPI

Frontend: Angular/JavaScript/HTML/CSS

GitHub/Jenkins/CI-CD

Unit testing

Agile methodologies

Release management

Cross-functional collaboration

Tools

GitHub

Jenkins

CI/CD

Swagger/OpenAPI tooling

Apigee

Job description

System One is seeking a Lead API Developer to design, develop, and govern enterprise APIs and backend services across Pittsburgh, Cleveland, and Dallas. The role blends hands-on coding with technical leadership in a hybrid work model, guiding API standards and best practices within an Agile environment.

You will leverage 10+ years in Java/J2EE, Spring Boot, and microservices to deliver scalable RESTful services, integrate with internal/external systems, and mentor engineers across teams.