Java Developer
McLean, VA
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Job ID: 379012
Date Posted: 08/26/2026
Shortcut: http://jobs.systemone.com/ANPemU
Java Full Stack Developer
100% RemoteSponsorship is not available for this position. Candidates must be able to obtain a Public Trust.
What You Will Do
Join an exciting and meaningful program supported by a collaborative team of more than 200 professionals with diverse backgrounds and experiences.As a Java Full Stack Developer, you will contribute to the development of secure, scalable, and user focused enterprise applications using Java, Spring Boot, ReactJS, RESTful APIs, microservices, relational databases, and AWS cloud technologies.
You will work closely with architects, developers, DevOps engineers, Product Owners, business analysts, QA engineers, and other stakeholders to deliver mission critical solutions that support application modernization and business operations.
This role emphasizes strong software engineering fundamentals, full stack application development, collaboration, continuous learning, and the delivery of high quality solutions in an Agile environment. You will also have opportunities to use AI assisted development tools to improve code quality, testing, troubleshooting, documentation, and engineering productivity while following security, compliance, data privacy, and Responsible AI standards.
Key responsibilities include:
• Design, develop, test, deploy, and maintain full stack enterprise applications using Java, Spring Boot, ReactJS, REST APIs, and microservices architectures.
• Develop responsive user interfaces and scalable backend services that support business processes, system integrations, and mission critical operations.
• Collaborate with architects, developers, business analysts, QA engineers, Product Owners, and stakeholders to translate business requirements into secure, scalable, and maintainable technical solutions.
• Develop, optimize, and support database schemas, SQL queries, data access layers, and integrations using relational databases such as Oracle and PostgreSQL.
• Troubleshoot and resolve application defects, performance bottlenecks, integration issues, and production incidents across the application stack.
• Participate in all phases of the Software Development Life Cycle, including analysis, design, development, testing, deployment, and operational support.
• Support cloud deployments, application releases, CI/CD pipelines, DevSecOps initiatives, and automated testing practices.
• Create and maintain technical documentation, including solution designs, API specifications, deployment procedures, and operational support guides.
• Participate in Agile ceremonies, including sprint planning, backlog refinement, daily standups, sprint reviews, and retrospectives.
• Use AI assisted development tools and emerging technologies to improve software quality, engineering productivity, testing, troubleshooting, documentation, and delivery outcomes.
What You Will Need
• Bachelor’s degree in Computer Science, Information Systems, Engineering, Mathematics, or a related technical discipline. An equivalent combination of education and professional experience may be considered.• At least two years of professional software development experience involving both frontend and backend application development.
• Hands-on experience with Java 8 or newer, Spring Framework, Spring Boot, Hibernate, Maven, REST APIs, JSON, microservices architecture, and object oriented design principles.
• Experience designing, developing, testing, deploying, and supporting scalable, secure, and maintainable enterprise applications throughout the Software Development Life Cycle.
• Proficiency with ReactJS, including React Hooks, Redux, React Router, component lifecycle management, state management, and modern frontend development practices.
• Strong JavaScript skills, including DOM manipulation and asynchronous programming.
• Experience working with relational databases such as Oracle, PostgreSQL, MySQL, or SQL Server.
• Experience with schema design, data modeling, normalization, SQL development, and query optimization.
• Experience developing and consuming RESTful web services and integrating applications with internal and external systems.
• Experience with AWS cloud services, cloud native application development, containerized environments, and modern software deployment practices.
• Experience using source control, CI/CD, and software lifecycle management tools such as Git, GitHub, GitLab, Bitbucket, Azure DevOps, Jenkins, or similar platforms.
• Experience working in Agile or Scrum environments and collaborating with cross functional teams.
• Strong analytical, critical thinking, troubleshooting, and problem solving skills.
• Ability to obtain and maintain a Public Trust.
• Sponsorship is not available for this position.
Preferred Qualifications
• Experience with Docker, Kubernetes, Terraform, or other Infrastructure as Code technologies.
• Knowledge of DevSecOps, automated testing frameworks, application performance monitoring, logging, and observability tools.
• Hands-on experience using AI powered software engineering tools such as GitHub Copilot, Amazon Q Developer, Cursor, Claude, Gemini, or similar platforms.
• Experience using AI assisted tools to improve development productivity, code quality, testing, troubleshooting, or technical documentation.
• Experience supporting federal, healthcare, financial services, or other highly regulated environments.
• AWS, Java, Spring, Kubernetes, Scrum, or other cloud related certifications.
• Experience developing AI enabled applications or integrating large language models, retrieval augmented generation solutions, AI agents, conversational AI, or intelligent automation capabilities.
• Understanding of Responsible AI, AI governance, cybersecurity, data privacy, secure coding practices, and the appropriate use of AI technologies in enterprise or government 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.
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