Full Stack Developer with Security Clearance

Full Stack Developer
Washington, DC (On-site) | Full-time | Active Top Secret clearance required

About the Role
M&S Consulting is hiring a senior Full Stack Developer to drive rapid development in an AI-assisted environment. This is a senior individual-contributor role: you will set technical direction, mentor teammates, and apply strict human oversight to validate, secure, and maintain complex enterprise code produced with AI coding assistants such as Claude and Amazon Q Developer.

What You'll Do

• Write, review, and refactor Java (Spring Boot) back-end and Angular front-end code
• Use AI tools to generate boilerplate, write unit tests, and perform application modernization tasks
• Ensure AI-generated code adheres to security, AWS cloud architecture, and PostgreSQL database standards
• Manually review, debug, and optimize code to prevent integration issues and low-quality abstractions
• Mentor teammates and help set technical direction Required Qualifications
• Active Top Secret clearance
• Bachelor's or Master's degree in Computer Science
• 8+ years of software engineering experience, including work at a senior or technical-lead level
• 4+ years of experience with Java/Spring Boot
• 4+ years of experience with Angular (version 17 or higher)
• 3+ years of experience with PostgreSQL
• Experience working in AWS environments
• Demonstrated experience working in AI-assisted development workflows
• Excellent debugging and architectural design skills to steer AI agents effectively

Preferred Qualifications

• Familiarity with Docker or other containerization technologies
• Experience with CI/CD pipelines for automated testing and deployment
• Experience working in Agile development environments
• Strong analytical, problem-solving, and cross-functional communication skills Why M&S Consulting
• Direct-hire, long-term stability.
• Small-company culture with direct access to leadership and real ownership of your work.
• Competitive salary and a comprehensive benefits package, including health coverage, retirement plan, and paid time off.
• Meaningful work in a cleared environment. How to Apply

Apply through ClearanceJobs or send your resume to with the subject line "Full Stack Developer - DC." Please indicate your current clearance level and investigation date, and the AI coding assistants you use day to day. Qualified candidates will be contacted promptly. M&S Consulting, LLC is an

Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status. U.S. citizenship and an active Top Secret clearance are required for this position.