Senior Full Stack Java Developer (Java + React)

Type of Requisition:RegularClearance Level Must Currently Possess:NoneClearance Level Must Be Able to Obtain:NonePublic Trust/Other Required:NACI (T1)Job Family:Software EngineeringJob Qualifications:Skills:Full Stack Development, Java Software Development, React.jsCertifications:NoneExperience:6 + years of related experienceUS Citizenship Required:YesJob Description:GDIT is seeking a Senior Full Stack Java Developer to support customer initiatives in Washington, DC (thisposition may be workedremotely). This role focuses on building scalable, secure, and high-performance applications using modern Java technologies andReact.Role OverviewYou will design, develop, and maintain scalable Java-based web applications and distributed systems, leveraging Spring frameworks andReact. 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 ResponsibilitiesDevelop 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 QualificationsBachelor’s degree in Computer Scienceor 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 SkillsExperience 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 OfferFlexible work schedule 401(k) with company match Career growth and internal mobility opportunities Collaborative, innovative team environment Opportunity to make meaningful impactThe 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:40Travel Required:Less than 10%Telecommuting Options:RemoteWork Location:Any Location / RemoteAdditional 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, technolog