Lead API Developer

Pittsburgh, Pennsylvania

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Type: Direct-Hire

Experience: 5

Category: Information Technology

Contractor Work Model: Hybrid

Brand: System One

Job ID: 381274

Date Posted: 09/30/2026

Shortcut: http://jobs.systemone.com/biJdqn


Job Title: Lead API Developer
Location: Pittsburgh, Pennsylvania
Type: Permanent Full Time

Responsibilities

  • Lead the design, development, and maintenance of high-performance APIs and microservices.
  • Collaborate with cross-functional teams to gather requirements, architect solutions, and ensure scalability, reliability, and security of APIs.
  • Mentor junior developers, lead technical discussions, and promote best practices and standards.
  • Develop and unit test Java-based RESTful services integrating with external client systems.
  • Review design documents, provide feedback on architecture, approach, and estimates.
  • Create technical designs for new systems and enhancements to existing systems.
  • Translate detailed requirements into functional system designs.
  • Participate in and drive release planning activities.
  • Create and manage Change Requests (CRs) for deployments and production releases.
  • Support and drive end-to-end release execution, including deployment and post-release validation.
  • Troubleshoot, optimize, and support applications across environments.
  • Work with DevOps tools such as Jenkins, uDeploy, and Git.
  • Research and recommend libraries, tools, and frameworks to accelerate development.
  • Collaborate closely with internal and external business, design, and technical stakeholders.
  • Prioritize work, meet deadlines, and manage multiple initiatives effectively.
  • Establish and maintain strong working relationships with clients, team members, and cross-functional partners.
  • Communicate effectively across diverse teams and understand technical challenges.

Requirements

  • At least 10+ years of hands-on experience in Java/J2EE development, troubleshooting, and deployment.
  • Hands-on experience with modern technologies such as Spring Boot and Microservices architecture.
  • Experience designing, developing, maintaining, and implementing APIs, microservices, and backend components.
  • Proven leadership experience managing a team of API developers, providing technical guidance and mentorship.
  • Strong knowledge of API standards, best practices, and service improvements.
  • Experience developing and unit testing Java-based RESTful services.
  • Ability to review design documents and provide feedback on architecture, approach, and estimates.
  • Experience creating technical designs for new systems and system enhancements.
  • Knowledge of release planning, change request management, and deployment processes.
  • Familiarity with DevOps tools such as Jenkins, uDeploy, and Git.
  • Hands-on experience with API management platforms such as Apigee.
  • Strong collaboration skills with internal and external stakeholders.
  • Excellent interpersonal and communication skills.
  • Experience with Java/J2EE development, REST API, Spring Boot, Angular, XML, JSON, Swagger.
  • 8+ years of experience with RESTful or SOAP web services.
  • 5+ years of experience with Angular, CSS, JavaScript, HTML.
  • 5+ years of experience with GitHub, Jenkins, and CI/CD pipelines.
  • Experience writing unit tests for JavaScript code.
  • Familiarity with Agile methodologies and Release Management.

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