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60 System One Java Developer Jobs Hiring in PA

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

System One

Quality Assurance Lead

Pittsburgh, PA · On-site

... or QA Engineer, with a strong focus on automation and enterprise systems. * Solid understanding of test strategy, governance, and risk based testing. * trong hands on expertise with: 1. Java ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Mid Java API Developer

Pittsburgh, PA · On-site

$49.50 - $64/hr

Development and unit testing of Java RESTful services that integrates with external client systems . Working Knowledge and hands on experience in DEVOPs tools like Jenkins, uDeploy and GIT . Review ...

System One

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Familiarity with CI/CD pipelines and DevOps practices. * Strong understanding of application ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

System One

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Familiarity with CI/CD pipelines and DevOps practices. * Strong understanding of application ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

System One

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Familiarity with CI/CD pipelines and DevOps practices. * Strong understanding of application ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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System One Jobs Information

What is it like to work at System One?

System One is a professional services company that values collaboration, innovation, and a client-centric approach, fostering a dynamic and supportive work environment.

The company's team structure is designed to facilitate knowledge sharing and expertise exchange, with a flat organizational hierarchy that encourages open communication and cross-functional collaboration. System One's mission is to deliver high-quality solutions to its clients through a network of experienced professionals and cutting-edge technologies.

Working at System One may appeal to candidates who are looking for a challenging and rewarding career in a fast-paced, client-driven industry, with opportunities for professional growth and development in a collaborative and dynamic work environment.

What makes System One an attractive place to work?

System One is a leading provider of workforce solutions and staffing services, known for its expertise in delivering high-quality talent to various industries. The company's workplace is characterized by a culture of innovation, collaboration, and flexibility, offering employees opportunities to work on diverse projects and develop their skills in a dynamic environment. By joining System One, professionals can expect to contribute to the growth and success of a forward-thinking organization, with opportunities for career advancement and professional development in a rapidly evolving industry.

What are the most popular jobs at System One in Pennsylvania?

What are the most popular states for System One Java Developer Jobs?

Infographic showing various Java Developer job openings at System One in Pennsylvania as of August 2026, with employment types broken down into 35% Full Time, 1% Part Time, 1% Temporary, 62% Contract, and 1% Nights. Highlights an 100% Physical job distribution.

Sr.Java Full Stack Developer

System One

Pittsburgh, PA • On-site

$51 - $65.75/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 25 days ago

Job description

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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Ref: #404-IT Pittsburgh

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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