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# Full-Stack Developer (Java / PostgreSQL)

- **Company:** Guidehouse Inc.
- **Location:** Washington, DC, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Automation of Tests, Data Migration, Database Design, PostgreSQL, Software Engineering, Web Services, Enterprise Software Applications, ReactJS, Backend, Vue.js, AngularJS, Web Technologies, Front End Software Development, Restful APIs, Devsecops
- **Published:** August 12, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/full-stack-developer-java-postgresql-washington-dc-usa-58911596

## About the Role

_ reconciliation * Develop and support automated testing across the software lifecycle * Support CI/CD pipelines and DevSecOps practices * Troubleshoot production issues and optimize performance * Create technical documentation and deployment guides * Collaborate with architects, cybersecurity personnel, testers, DBAs, and stakeholders to deliver solutions Tasks * U.S. Citizenship * Active TS-SSBI or TS/SCI clearance * Bachelor's degree in a technical field * Minimum four years of experience across the full application stack (database design, backend, API, frontend, security, automated testing, DevSecOps) * Experience with PostgreSQL, Java, and modern web technologies * Experience designing Java-based backend services and RESTful APIs * Experience developing responsive front-end applications with React, Angular, Vue, or similar frameworks * Experience data migration, validation, and reconciliation * Experience troubleshooting production issues and improving performance Key aaaaaaaaaai
_ * Medical, Rx, Dental & Vision Insurance * 401(k) Retirement Plan * Paid Holidays * Parental Leave * Tuition Reimbursement, Certifications & Learning Opportunities * Employee Assistance Program

## Description

Experteer Overview You will develop and sustain mission-critical apps in a secure, modernized federal environment. You contribute across the full stack, from database design to frontend interfaces, API services, and automated testing, while advancing security and DevSecOps practices. You'll work with cross-functional teams to deliver reliable, scalable solutions. This role offers impact in modernizing government technology and shaping secure software for critical operations. You will operate in a highly secure setting with modern web technologies. Compensation / Benefits * Design, develop, test, deploy, and maintain enterprise applications supporting mission operations * Develop Java-based backend services and RESTful APIs * Create responsive front-end applications using React, Angular, Vue, or similar frameworks * Design and optimize PostgreSQL databases and data models * Implement authentication, authorization, auditing, and secure controls * Perform data migration, validation, and reconciliation * Develop and support automated testing across the software lifecycle * Support CI/CD pipelines and DevSecOps practices * Troubleshoot production issues and optimize performance * Create technical documentation and deployment guides * Collaborate with architects, cybersecurity personnel, testers, DBAs, and stakeholders to deliver solutions Tasks * U.S. Citizenship * Active TS-SSBI or TS/SCI clearance * Bachelor's degree in a technical field * Minimum four years of experience across the full application stack (database design, backend, API, frontend, security, automated testing, DevSecOps) * Experience with PostgreSQL, Java, and modern web technologies * Experience designing Java-based backend services and RESTful APIs * Experience developing responsive front-end applications with React, Angular, Vue, or similar frameworks * Experience data migration, validation, and reconciliation * Experience troubleshooting production issues and improving performance Key requirements * Medical, Rx, Dental & Vision Insurance * 401(k) Retirement Plan * Paid Holidays * Parental Leave * Tuition Reimbursement, Certifications & Learning Opportunities * Employee Assistance Program


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