Sr.Java Full Stack Developer
Pitsburgh , Pennsylvania
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 120000.00 Per Hour
Job ID: 376144
Date Posted: 06/30/2026
Shortcut: http://jobs.systemone.com/zCEnI3
Job Title: Sr. Java Full Stack Developer
Location: Pittsburgh, Pennsylvania
Type: Contract To Hire
Responsibilities:
- Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance.
- Work with front-end UI development using Angular, HTML, and CSS to create engaging, user-friendly interfaces.
- Implement and optimize API standards and services, collaborating with cross-functional teams to build large-scale features.
- Develop, test, and deploy backend components using Spring Boot, microservices, and containerization technologies such as OpenShift and Kubernetes.
- Integrate Java-based applications with databases like Oracle, SQL Server, MongoDB, and messaging systems such as Apache Kafka.
- Utilize DevOps tools including Jenkins, uDeploy, GitHub, and CI/CD pipelines to automate workflows and ensure continuous delivery.
- Review design documents, create technical systems designs, and translate requirements into functional solutions.
- Collaborate with internal and external stakeholders, including API developers, business analysts, and QA teams, within an Agile environment.
- Research and apply modern libraries and technologies to expedite development and improve application security.
Requirements:
- At least 6+ years of Java API development experience with REST API, Spring Boot, XML, JSON, Swagger.
- Minimum 6+ years of experience developing and consuming SOAP and REST web services in production environments.
- 5+ years of front-end UI development experience using Angular, HTML, and CSS.
- Hands-on experience with OpenShift, containerization, Kubernetes, and microservices architecture.
- 3+ years working with GitHub, Jenkins, and CI/CD pipelines.
- Proficiency with client-side technologies like Node JS and Angular 8+.
- Experience with Kafka, MongoDB, and integrating Java applications with Oracle/SQL Server databases.
- Strong understanding of security best practices to prevent vulnerabilities in coding.
- Excellent collaboration, communication, and interpersonal skills in an Agile team 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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