> Markdown version of [/jobs/ext/2588897-lead-api-developer](https://www.wearedevelopers.com/jobs/ext/2588897-lead-api-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead API Developer - **Company:** System One - **Location:** Pittsburgh, PA, United States - **Experience:** Expert - **Salary:** $125,000.0 - **Contract:** Permanent contract - **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Unit Testing, Cascading Style Sheets (CSS), Software Design Documents, DevOps, Github, JSON, Release Management, Swagger, Extensible Markup Language (XML), Spring-boot, SOAPAPI, Apigee, Backend, Git, AngularJS, IBM UrbanCode Deploy, Restful APIs, Jenkins, Microservices - **Published:** August 6, 2026 - **Apply:** https://www.dice.com/job-detail/a9939653-ddf7-462d-99b5-ba062b26eb69 ## About the Role * 10+ years of hands on experience in Java/J2EE development, troubleshooting, and deployment (Mandatory) * Hands on experience with modern technologies such as Spring Boot and Microservices architecture * At least 10+ years overall experience Java/J2EE development with REST API, Spring Boot, Angular, XML, JSON, Swagger * 8+ years of RESTful or SOAP web services * 5+ years Angular, CSS, JavaScript, HTML * 5+ years of GitHub, Jenkins and CI/CD server * Experience writing unit tests for JavaScript code * Experience using Agile methodologies for developing application * Experienced with Release Management * Participate in and drive Release Planning activities * Create and manage Change Requests (CRs) for deployments and production releases ## Description * Design, develop, maintain, and implement APIs, microservices, and backend components * Lead and manage a team of API developers; provide technical guidance and mentorship * Work with API developers across teams to build scalable features and solutions * Drive API standards, best practices, and service improvements * Develop and unit test Java based RESTful services integrating with external client systems * Review design documents and 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 * Attend and represent the team in Enterprise Release Management (ERM) calls * 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 * Knowledge and hands on experience with API management platforms such as Apigee * Research and recommend libraries, tools, and frameworks to accelerate development * Collaborate closely with internal and external business, design, and technical stakeholders * Ability to prioritize work, meet deadlines, and manage multiple initiatives effectively * Establish and maintain strong working relationships with clients, team members, and cross functional partners * Maintain excellent interpersonal and communication skills with the ability to work across diverse teams and understand technical challenges, System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [An Opinionated Guide to Bulletproof APIs](https://www.wearedevelopers.com/videos/100182-an-opinionated-guide-to-bulletproof-apis) - [API = Some REST and HTTP, right? RIGHT?!](https://www.wearedevelopers.com/videos/1675-api-some-rest-and-http-right-right) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)