Java API Tech Lead
Pittsburgh , Pennsylvania
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 10000.00 Per Hour
Job ID: 376138
Date Posted: 06/29/2026
Shortcut: http://jobs.systemone.com/AJB3kC
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 input
Responsibilities
- Drive the design, development, and delivery of scalable, high-performance web applications using Java, microservices architecture, and modern frontend frameworks.
- Provide technical leadership and hands-on development expertise in Java, Spring Boot, and frontend technologies like Angular or React.
- Develop and design RESTful APIs and microservices for enterprise applications.
- Collaborate with cross-functional team members and stakeholders to ensure high-quality solution delivery.
- Mentor team members to build scalable, maintainable, and high-quality code.
- Implement best practices in CI/CD, security, and performance optimization.
- Lead architecture and roadmap discussions for backend and frontend systems.
- Ensure thorough testing, automation, and defect resolution across the stack.
- Oversee integration and ensure seamless end-to-end system functionality.
- 8–12 years of experience developing enterprise applications with Java / J2EE / Spring ecosystem.
- Strong experience in full stack development, including backend (Java, Spring Boot) and frontend (Angular, React, or similar frameworks).
- Proficiency in designing RESTful APIs and microservices architectures.
- Experience with modern UI technologies such as Angular (2+), React, or Vue.js, along with HTML5, CSS3, and JavaScript/TypeScript.
- Hands-on experience with containerization (Docker), Kubernetes, and cloud platforms (AWS/Azure/GCP).
- Knowledge of event-driven architecture using Kafka or similar systems.
- Experience with databases such as Oracle, SQL Server, or MongoDB.
- Familiarity with CI/CD pipelines and DevOps practices.
- Strong understanding of application security, OAuth/JWT, and secure coding practices.
- Proven leadership, mentoring, and team collaboration skills in Agile environments.
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-
-
Sr.Java Full Stack Developer
Pitsburgh , Pennsylvania
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 per...
Date Posted: 06/30/2026 Recommended
-
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
-
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
-
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
-
Full-Stack Application Engineer
Schaumburg, Illinois
Job Title: Full-Stack .NET Application Engineer Location: Schaumburg, Illinois Type: Contract To Hire Compensation: $105,000 annual Work Model: Hybrid – onsite and remote Hours: 40.0: Responsibilities • Design, develop, and maintain full-stack applicat...
Date Posted: 07/07/2026 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
-
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 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
-
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
-
Lead Java Backend Engineer - AWS Cloud Migration
Reston, VA
Lead Software Engineer Location: Reston, VA (Hybrid) Duration: Contract through end of year (extension possible) Candidates must reside in the DMV area. Overview We are seeking a Senior Java Backend Developer to support a major AWS cloud migration init...
Date Posted: 08/17/2026 Recommended
-
Sr Java Full Stack Developer
Reston, VA
SR JAVA FULL STACK DEVELOPER (AWS / EKS / Angular) Location: Hybrid — Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule: 40 hours/week Pay (W2): USD $97.00/hr JOB OVERVIEW We’re seeking a Senior Java Full Stack Dev...
Date Posted: 07/31/2026 Recommended
-
Senior Full Stack Developer (Angular + Python)
Pittsburgh , Pennsylvania
Job Title: Senior Full Stack Developer (Angular + Python) Location: Chicago, IL Type: Contract Compensation: Open Work Model: Onsite – onsite/Remote Hours: 40.0 Responsibilities Design and implement frontend components using Angular, including componen...
Date Posted: 07/13/2026 Recommended
-
Senior Full Stack Developer (Angular + Python)
Pittsburgh , Pennsylvania
Job Title: Senior Full Stack Developer (Angular + Python) Location: Chicago, IL Type: Contract Compensation: $55 Work Model: Onsite – onsite/Remote Hours: 40.0 Responsibilities Design and implement frontend components using Angular, including component...
Date Posted: 07/13/2026 Recommended
-
Senior Solution Architect
Pittsburgh , Pennsylvania
Job Title: Senior Solution Architect Client: Client Location: Salt Lake City, Utah, United States Type: Contract To Hire Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified in the provided information Overview Responsibilities * S...
Date Posted: 08/06/2026 Recommended
-
Platform Engineer (DevOps)
Salt Lake City, Utah
Job Title: Platform Engineer (DevOps) Location: Salt Lake City, UT Responsibilities • Design, build, and optimize enterprise CI/CD pipelines using GitHub Actions and other modern DevOps platforms • Administer enterprise Source Code Management (SCM) rep...
Date Posted: 08/06/2026 Recommended
-
Fullstack Integration Engineer
NA, VA
Senior Full-Stack Integration Engineer Location: Remote – United States Experience: 5+ years of professional software engineering experience We are seeking a Senior Full-Stack Integration Engineer to design, build, and support cloud-based applications,...
Date Posted: 07/14/2026 Recommended
-
Sr. Software Architect - Java
Dallas, Texas
Job Title: Sr. Software Architect - Java (Visa Independent candidates only) 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 stake...
Date Posted: 08/18/2026 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
-
Calypso Developer
Salt Lake City, Utah
Job Title: Calypso Developer Location: Salt Lake City (SLC/Midvale), UT Work Mode: Onsite – 5 Days/Week Duration: Contract-to-Hire Additional Notes Quinnox is currently working with Calypso Required Skills Bitbucket Capital Markets Java Microservices S...
Date Posted: 08/19/2026 Recommended
-
Senior Front-End Engineer - Onsite Interview is Required
washington, VA
MUST BE LOCAL TO ONE OF THE LOCATIONS BELOW FOR AN ONSITE, PANEL WITH WHITE BOARD INTERVIEW Job Title: Senior Front-End Engineer Location: Hybrid reporting to Vienna or Winchester, VA, Pensacola, FL or San Diego, CA Hours: Monday – Friday, 8:00 AM – 4:...
Date Posted: 08/20/2026 Recommended
-
Python Full Stack Developer (TS/SCI clearance)
Suitland, Maryland
Python Full Stack Developer Suitland, MD – 2-3 days/week onsite TS/SCI clearance is required Stack: Python/Django, React/Next.js, PostgreSQL/Aurora, AWS (multi-partition), Terraform, GitLab CI/CD, Keycloak We are standing up a small, elite development ...
Date Posted: 07/20/2026 Recommended
-
Senior Data Architect
Pittsburgh, PA
Position Title: Senior Data Architect Position Location: PA - Pittsburgh, Duration – 1 Year Industry background: Banking, Regulatory reporting, CCAR Roles and Responsibilities: 8-10 years total experience with at least 5-6 years of specific experience ...
Date Posted: 07/15/2026 Recommended
-
Salesforce Web Developer
Jacksonville , Florida
Job Title: Salesforce Web Developer Location: Jacksonville, Florida Type: Contract To Hire Responsibilities Develop Salesforce frontend solutions using Lightning Web Components (LWC), Aura Components, and Visualforce (VF) Build reusable, scalable, and ...
Date Posted: 06/17/2026 Recommended
-
Platform Engineer (DevOps)
Salt Lake City, Utah
Job Title: Platform Engineer (DevOps) Location: Salt Lake City, UT Work Mode : 5 Days Onsite Duration : Contract to Hire Responsibilities • Design, build, and optimize enterprise CI/CD pipelines using GitHub Actions and other modern DevOps platforms • ...
Date Posted: 08/06/2026 Recommended
-
Technical Lead / Solution Architect
Virginia, VA
Job Title: Technical Lead / Solution Architect Location: Open to Hybrid in Vienna, VA, Winchester, VA or Pensacola, FL or can be REMOTE Type: Long Term Contract Overview We are seeking an experienced Technical Lead / Solution Architect to lead the arch...
Date Posted: 07/21/2026 Recommended
-
Java Developer - 100% REMOTE
Vienna, VA
Job Title: Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C Responsibilities Develop APIs using microservice archite...
Date Posted: 08/05/2026 Recommended
-
Java API Developer - 100% remote
Merrifield, VA
Job Title: Java API Developer - 100% remote Location: Remote Type: Contract Compensation: Negotiable Work Model: Remote – offsite Hours: 40 hours a week Security Clearance: None but full background check required Responsibilities Develop and implement ...
Date Posted: 08/20/2026 Recommended
-
Backend Java Developer (hybrid)
Vienna, VA
Backend Java Developer Vienna, VA – hybrid (3 days a week onsite) Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract We're seeking a curious, technically minded professional who loves solving complex problems, understands how g...
Date Posted: 08/04/2026 Recommended
-
Full Stack Developer
Pittsburgh , Pennsylvania
Job Title: Full Stack Developer Location: Dallas or Plano, Texas. No.Openings: 3 Description: Full Stack Developer Position Description We're growing rapidly and are looking for Full Stack Developers to join our Telecommunications Sector. We're a close...
Date Posted: 08/04/2026 Recommended
-
Technical Lead (Identity and Biometric Solutions)
Austin, TX
Job Title: Technical Lead (Identity and Biometric Solutions) Location: Austin, Texas, United States Type: Contract Compensation: $72.00 Contractor Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Must have U.S. or Dual Citizenship and be abl...
Date Posted: 06/03/2026 Recommended