Sr.Java API Developer
Pittsburgh , Pennsylvania
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 170.00
Job ID: 376146
Date Posted: 06/29/2026
Shortcut: http://jobs.systemone.com/Rru5fx
Job Title: Sr.Java API Developer
Location: Pittsburgh, Pennsylvania, United States
Type: Direct Hire
Compensation: $170.00
Work Model: Onsite – onsite
Hours: 40.0
Security Clearance: Not specified
Overview
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Responsibilities
- Design, build, and deploy Java RESTful services and microservices to support client applications.
- Develop API standards, improve existing services, and collaborate with API developers across teams to build new features at large scale.
- Create and review technical design documents, and translate detailed requirements into functional system designs.
- Utilize DEVOPs tools such as Jenkins, uDeploy, and GIT to streamline deployment processes.
- Work with open-source and library components to expedite development and enhance system capabilities.
- Integrate applications with Oracle / SQL Server databases and work with containerization tools like OpenShift and Kubernetes.
- Adhere to security best practices by coding to prevent hacking vulnerabilities.
- Participate in Agile teams, providing technical expertise and effective communication across diverse groups.
- At least 6+ years of experience in Java API development, REST APIs, Spring Boot, XML, JSON, and Swagger.
- Proven experience developing and consuming SOAP and REST web services in a production environment.
- Experience working with OpenShift, Containerization, and Microservices architecture.
- 3+ years of experience with GitHub, Jenkins, and CI/CD pipelines.
- Knowledge of client-side technologies such as Node.js and Angular 8+.
- Hands-on experience with Kubernetes, Apache Kafka, and MongoDB.
- Strong understanding of integrating Java applications with Oracle or SQL Server databases.
- Excellent collaboration, communication, and writing skills in an Agile environment.
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.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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