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/GaI2kW
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.
#M-
#LI-
Ref: #404-IT Pittsburgh
-
Sr.Java API Developer
Pittsburgh , Pennsylvania
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 Leave placeholder text here for recruiter to i...
Date Posted: 06/29/2026 Recommended
-
Mid Java API Developer
Pittsburgh , Pennsylvania
Mid Java API Developer Job Type: Permanent Full Time Location: Pittsburgh, Pennsylvania, United States Description: Mid Java API Developer Position Description This role must be performed in Pittsburgh, PA -or- Dallas, TX on the client site 5 days per ...
Date Posted: 06/29/2026 Recommended
-
Java API Tech Lead
Pittsburgh , Pennsylvania
Job Title: Java API Tech Lead Location: Pittsburgh, Pennsylvania Type: Contract To Hire Compensation: $70.00 - $10,000.00 Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Overview Leave placeholder text here for recruiter to in...
Date Posted: 06/29/2026 Recommended
-
Sr. Java Full Stack Developer
Dallas , Texas
Senior Java Full Stack Developer Full-Time (Direct Hire) Dallas, TX Position Overview We are seeking a Senior Java Full Stack Developer to design, build, and deliver scalable enterprise applications. This role involves working on high-impact projects w...
Date Posted: 05/06/2026 Recommended
-
Sr. Java Full Stack Developer
Dallas , Texas
Job Title: Sr. Java Full Stack Developer Location: Dallas, Texas Type: Fulltime Compensation: Not specified Contractor Work Model: Onsite – onsite Responsibilities Lead and mentor a team of developers to deliver high-quality solutions Drive architectur...
Date Posted: 05/06/2026 Recommended
-
Java Solution Architect, FTE
Pittsburgh , Pennsylvania
Java Solution Architect Pittsburgh, PA, Dallas, TX, or Cleveland, OH (5 Days Onsite) FTE Competency Angular Apache Kafka Cloud Computing GitHub Jenkins MongoDB Oracle RESTful Application Programming Interfaces (RESTful APIs) Software Architecture Sprin...
Date Posted: 06/02/2026 Recommended
-
Principal DevOps Engineer
Pittsburgh, PA
Principal DevOps Engineer Pittsburgh, PA (Onsite – 5 Days/Week), Strongsville/Cleveland, OH, Birmingham, AL, Pittsburgh, PA, Dallas/Farmers Branch, TX, Phoenix, AZ Contract Industry Banking / Financial Services Preferred Job Summary Seeking a highly ex...
Date Posted: 06/12/2026 Recommended
-
Java Developer (Secret Clearance)
Arlington, Virginia
Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret clearance is required to start Responsibilities: • Design, develop, and deploy cloud-native and containerized applications using Java and modern cloud technolog...
Date Posted: 06/12/2026 Recommended
-
Sr Software Engineer
Strongsville, OH
Tittle: Sr. Software Engineer Location: Strongsville, OH or Pittsburgh, PA Work Mode : Hybrid (3days Office / 2days Remote) Duration: Contract to Hire Years Of Exp Required: 10+ Years Function of the Group: Payment Center team creates "one stop shop" f...
Date Posted: 05/19/2026 Recommended
-
Senior Java Full Stack Developer
Pittsburgh, Pennsylvania
Position Title: Senior Java Full Stack Developer Position Location - Pittsburgh, PA ; Duration – Direct Hire Employment Type – No C2C or third party vendors at this time Required qualifications to be successful in this role : 6+ years of strong hands-o...
Date Posted: 06/11/2026 Recommended
-
Business Systems Analyst (API Designer)
Dallas , Texas
Senior Business Systems Analyst (API Designer) Contract to hire Dallas, TX / Pittsburgh, PA / Cleveland, OH Senior Business Systems Analyst (API Designer) with expertise in designing secure, scalable, and high-performance RESTful APIs and event-driven ...
Date Posted: 06/29/2026 Recommended
-
Senior IAM Engineer
Midvale , Utah
Job Title: Senior IAM Engineer (Java & Cloud Native) Location: Salt Lake City, Utah Work Mode : 5 Days Onsite Duration : Contract to Hire About the Opportunity System One is seeking a highly skilled Senior IAM Engineer to design, develop, and support m...
Date Posted: 06/04/2026 Recommended
-
Senior Full Stack Developer
McLean, VA
Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a federal cloud modernization and product development effort focused on scalable, secure, cloud-native applications hosted in AWS. This is a remote opportunity s...
Date Posted: 06/22/2026 Recommended
-
Java API Technical Lead
Dallas, Texas
Permanent Onsite Role Position Title: Java API Technical Lead Pittsburgh, PA, Cleveland, OH, or Dallas, TX Your future duties and responsibilities . Responsible to Lead and drive with the team with the client . Responsible for sound and high-quality te...
Date Posted: 06/29/2026 Recommended
-
Java API Technical Lead
Pittsburgh, Pennsylvania
Permanent Onsite Role Position Title: Java API Technical Lead Pittsburgh, PA, Cleveland, OH, or Dallas, TX Your future duties and responsibilities . Responsible to Lead and drive with the team with the client . Responsible for sound and high-quality te...
Date Posted: 06/29/2026 Recommended
-
Sr. AWS Cloud/Software Architect III
Washington, District Of Columbia
Job Title: Sr. AWS Cloud/Software Architect III Remote – offsite Overview If interested reach out directly to kimberly.spicer@systemone.com Responsibilities Support the Lead Architect in defining, reviewing, and implementing complex enterprise applicat...
Date Posted: 05/14/2026 Recommended
-
Java Solution Architect
Dallas, Pennsylvania
Position Title: JAVA Solution Architect Position Location - Pittsburgh, PA ; Dallas, TX ; Cleveland, OH Duration – Direct Hire Employment Type - This is for W2 Employment Required qualifications to be successful in this role . 9+ years of experience in...
Date Posted: 06/01/2026 Recommended
-
AWS Cloud Platform Architect
McLean, VA
AWS Cloud Platform Architect 100% remote Must be able to obtain Public Trust Clearance W2 employment only NO C2C Responsibilities: • Design, implement, and manage scalable, secure, and resilient AWS cloud architectures for enterprise applications, data...
Date Posted: 06/23/2026 Recommended
-
Sr. Software Architect - Java
Dallas, Texas
Job Title: Sr. Software Architect - Java Location: Dallas, TX Responsibilities Lead the technical solution for the team's proofs-of-concept, prototypes and eventual end products or solutions. Team up with client stakeholders, third-party partners, fint...
Date Posted: 06/29/2026 Recommended
-
Sr. Software Architect
Pittsburgh , Pennsylvania
Job Title: Sr. Software Architect - Java Location: Pittsburgh, Pennsylvania, United States Responsibilities Lead the technical solution for the team's proofs-of-concept, prototypes and eventual end products or solutions. Team up with client stakeholder...
Date Posted: 06/29/2026 Recommended
-
Lead Full-Stack Developer
McLean, VA
Lead Full-Stack Developer Remote This role supports a federal client and requires the ability to obtain a public trust clearance. No sponsorship is available. We are seeking a Lead Full-Stack Developer to support a major federal modernization initiativ...
Date Posted: 06/22/2026 Recommended
-
Senior AI Software Engineer
Plano, Texas
AI Software Engineer Location: Plano, TX (Hybrid – onsite required) Duration: 6+ Months Contract to Hire Start Date: ASAP Position Overview We are seeking an experienced AI Software Engineer to join a growing engineering team focused on building scalab...
Date Posted: 05/08/2026 Recommended
-
Payment Engineer
Tulsa, Oklahoma
Job Title: Application Developer Location: Tulsa, Oklahoma Work Model: Onsite Responsibilities Provide application support and maintenance for mobile payment platforms, ensuring system uptime and performance. Troubleshoot and resolve production inciden...
Date Posted: 06/11/2026 Recommended
-
Java Software Engineer III - 3 slots
Dunn Loring , Virginia
Job Title: Java Software Engineer III - 3 slots Contractor Work Model: Remote – offsite Overview If interested reach out directly to kimberly.spicer@systemone.com Responsibilities Ensure compatibility between equipment and software, analyze operational...
Date Posted: 05/14/2026 Recommended
-
Sr. Test Automation Engineer
Midvale , Utah
Job Title: Senior Test Automation Engineer Duration : Contract to Hire Location : Salt Lake City/Midvale, UT Work Mode : 5 Days Onsite Years Of Exp : 7+ Yrs Job Description: We are seeking a Senior Test Automation Engineer to join our team! You will be...
Date Posted: 06/22/2026 Recommended
-
Sr. Test Automation Engineer
Midvale , Utah
Job Title: Senior Test Automation Engineer Duration : Contract to Hire Location : Salt Lake City/Midvale, UT Work Mode : 5 Days Onsite Years Of Exp : 7+ Yrs Job Description: We are seeking a Senior Test Automation Engineer to join our team! You will be...
Date Posted: 06/22/2026 Recommended
-
Sr. IT DevSecOps Architect
Washington, DC
Senior IT DevSecOps Architect Washington, DC – onsite US citizenship required per government contact Must be able to obtain Public Trust clearance Type: Multi-Year Contract Open to W2 and C2C Deadline to apply: July 2nd The DevSecOps Architect will pla...
Date Posted: 06/23/2026 Recommended
-
Software Engineer Lead - JAVA
Pittsburgh, TX
Title - Software Engineer Lead Location - Pittsburgh, PA/Strongsville, OH Function of the Group: Liquidity Risk Management Initiatives/Projects: P-416801 Industry background: Banking-Regulatory Submissions (specifically FR-2052A), Liquidity Risk Manage...
Date Posted: 04/23/2026 Recommended
-
.NET Mainframe Developer
Vienna , VA
Job Title: .NET Developer Location: Remote Type: Contract Contractor Work Model: Remote Responsibilities Design, develop, and enhance complex software applications supporting mission-critical, time-sensitive initiatives focused on integrating distribut...
Date Posted: 05/06/2026 Recommended
-
ATM Consultant
Pittsburgh , Pennsylvania
Job Title: ATM Consultant Location: Pittsburgh, PA Type: Contract Contractor Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Responsibilities Design complex solutions, write code, test code, automate testing and deployment. In...
Date Posted: 05/11/2026 Recommended