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Java Contract Jobs in Pennsylvania (NOW HIRING)

System One

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

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 ...

System One

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

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 ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Contract To Hire Responsibilities: * Design, develop, and maintain Java API services, including RESTful APIs and microservices, ensuring scalability, security, and high performance. * Work with ...

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Showing results 41-60

All JobsJava Contract JobsJava Contract Jobs in Pennsylvania

Java Contract information

What is a Java contract?

A Java contract job is a temporary position where a programmer is hired to work on projects using the Java programming language for a fixed period, rather than as a permanent employee. Contractors are often brought in to fill skill gaps, complete specific projects, or handle increased workloads. These roles can be full-time or part-time and typically last from a few months to over a year, depending on the project's needs. Contractors may work onsite or remotely and are usually paid hourly or by project milestone. Java contract jobs offer flexibility and the opportunity to work with a variety of companies and technologies.

What are the key skills and qualifications needed to thrive as a Java contract, and why are they important?

To thrive as a Java Contractor, you need strong proficiency in Java programming, experience with object-oriented design, and a solid understanding of software development methodologies, often supported by a relevant degree or certifications like Oracle Certified Professional Java Programmer (OCPJP). Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks such as Spring or Hibernate is typically required. Excellent problem-solving, adaptability, and communication skills help you collaborate with diverse teams and quickly respond to project changes. These skills ensure high-quality, maintainable code and successful completion of contract-based software projects.

What are some common challenges faced by Java contracts and how can they be managed effectively?

Java contractors often work on short-term projects or fill skill gaps in development teams, which can present challenges such as quickly adapting to new codebases and varying team dynamics. To manage these effectively, it’s important to have strong communication skills, a proactive approach to understanding project requirements, and the ability to rapidly learn existing systems. Building rapport with permanent team members and maintaining thorough documentation can also help ease the transition. Staying current with Java frameworks and tools further ensures you can contribute value from day one.

What is the difference between Java Contract vs Java Developer?

AspectJava ContractJava Developer
CredentialsTypically requires Java certifications, experience in contract rolesRequires Java certifications, degree in computer science or related field
Work EnvironmentProject-based, short-term assignments, flexible hoursFull-time, ongoing employment, structured work hours
Employer & Industry UsageUsed by companies for specific projects, consulting firmsEmployed directly by companies, tech firms, or agencies
Search & Comparison IntentOften compared for contract opportunities, flexibilityCompared for full-time roles, career growth

Java Contract roles are typically project-based, offering short-term assignments with flexible schedules, ideal for those seeking variety or freelance work. Java Developers usually work full-time, with ongoing responsibilities and career development opportunities. Both roles require Java certifications and experience, but differ mainly in employment type and work environment.

What are the most commonly searched types of Java jobs in Pennsylvania?

The most popular types of Java jobs in Pennsylvania are:

What are popular job titles related to Java Contract jobs in Pennsylvania?

For Java Contract jobs in Pennsylvania, the most frequently searched job titles are:

What job categories do people searching Java Contract jobs in Pennsylvania look for?

The top searched job categories for Java Contract jobs in Pennsylvania are:

What cities in Pennsylvania are hiring for Java Contract jobs?

Cities in Pennsylvania with the most Java Contract job openings:

Java Contract jobs near you
Infographic showing various Java Contract job openings in Pennsylvania as of August 2026, with employment types broken down into 81% Full Time, 10% Part Time, and 9% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution.

Java API Tech Lead

System One

Pittsburgh, PA • On-site

$70 - $10K/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 20 days ago

Job description

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.
Requirements
  • 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-