Title: Senior Full Stack Java Developer (Java + React) Job Description: Responsibilities for this Position Location: Any Location / Remote Full Part/Time: Full time Job Req: RQ220303 Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Software Engineering Job Qualifications: Skills: Full Stack Development, Java Software Development, React.js Certifications: None Experience: 6 + years of related experience US Citizenship Required: Yes Job Description: GDIT is seeking a Senior Full Stack Java Developer to support customer initiatives in Washington, DC (this position may be worked remotely). This role focuses on building scalable, secure, and high-performance applications using modern Java technologies and React. Role Overview You will design, develop, and maintain scalable Java-based web applications and distributed systems, leveraging Spring frameworks and React. This role includes building and integrating RESTful APIs and microservices, ensuring high performance, security, and reliability across the application stack. You will collaborate with cross-functional teams in an Agile environment to deliver robust, user-focused solutions. Key Responsibilities - Develop and maintain full stack Java-based web applications - Build responsive, modern user interfaces using React - Design, develop, and integrate RESTful APIs and microservices - Write clean, maintainable, and efficient code; refactor as needed - Participate in system design, development, testing, and debugging - Troubleshoot and resolve application and system issues - Stay current with modern development tools, frameworks, and best practices Required Qualifications - Bachelor's degree in Computer Science or related field (or equivalent experience) - 8+ years of full stack development experience - Strong proficiency in Java (17+) - Strong experience in Java-based web application development and distributed systems architecture - Experience designing and developing RESTful APIs and microservices - Must have Experience with Spring Framework and demonstrate strong understanding of various layers of Spring MVC design. - Experience with ORM tools (e.g., Hibernate) - Strong hands-on experience with React and modern JavaScript (ES6+), HTML, CSS - Solid understanding of application architecture and design patterns - Experience with relational databases (Oracle, PostgreSQL, etc.) - Familiarity with build tools (e.g., Maven, Gradle) - Knowledge of secure coding practices (Spring Security, OAuth, JWT, authentication/authorization) - Strong proficiency with Git, including branching strategies, pull requests/code reviews, and CI/CD workflows - Familiarity with AWS or other cloud platforms - Strong experience working in Agile/Scrum development environments Preferred Skills - Experience integrating with AWS SDK (e.g., S3) - Experience building scalable RESTful services in cloud environments - Knowledge of accessibility (Section 508) standards and testing tools - Experience with modern UI/UX best practices - Exposure to additional programming languages such as Python What We Offer - Flexible work schedule - 401(k) with company match - Career growth and internal mobility opportunities - Collaborative, innovative team environment - Opportunity to make meaningful impact The likely salary range for this position is $123,250 - $166,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options: Remote Work Location: Any Location / Remote Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee's date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans