Full-Stack Developer (Java / PostgreSQL)

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

_ 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