Full Stack Developer with Security Clearance

Opportunity via QSSHire | Talent-as-a-Service Recruiting Role: Full Stack Developer Location: Chantilly, VA (Onsite) Clearance: TS/SCI with Full Scope Polygraph Rate: Open Are You a Full Stack Developer Ready to Build and Enhance Mission-Critical Applications? QSSHire is seeking a Full Stack Developer to support the design, development, and enhancement of secure enterprise applications supporting mission-critical operations. Working alongside senior developers, you'll contribute across the full software development lifecycle, from backend services and APIs to frontend user interfaces, while helping deliver scalable, cloud-enabled solutions in a secure environment. In This Role, You'll: • Design, develop, and enhance secure full stack web applications. • Collaborate with the lead developer to implement new features and improve existing application capabilities. • Develop backend services and RESTful APIs using Python frameworks such as Flask, Django, or FastAPI. • Build responsive and intuitive frontend user interfaces using modern JavaScript frameworks. • Develop and maintain application data models and integrate with relational databases. • Write clean, maintainable, and well-tested code, including unit and integration tests. • Build, deploy, and maintain containerized applications within AWS environments. • Integrate applications with external software systems, APIs, and enterprise databases. • Troubleshoot application issues and implement performance improvements. • Participate in application design discussions, code reviews, and Agile development activities. • Collaborate with cross-functional engineering teams to deliver scalable software solutions. You'll Succeed Here If You Have: • Active TS/SCI with Full Scope Polygraph required to start. • 5–7 years of professional software development experience using Python. • Experience developing applications with Flask, Django, or FastAPI. • Experience developing and maintaining unit and integration tests. • Experience working with SQL and relational databases. • Familiarity with SQLAlchemy or other Object Relational Mapping (ORM) frameworks. • Experience with JavaScript, TypeScript, and CSS. • Experience developing modern web applications using React, Angular, or Vue. • Experience building and deploying containerized applications. • 1–3 years of experience developing solutions within AWS cloud environments. • Strong analytical, troubleshooting, and problem-solving skills. • Excellent communication and collaboration skills within Agile development teams. Desired Skills: • Experience developing scalable RESTful APIs and microservices. • Experience with Docker and container orchestration technologies. • Experience integrating applications with enterprise systems and external APIs. • Familiarity with cloud-native application architectures and AWS services. • Experience with Git and modern software development workflows. • Experience working in secure or classified development environments. Degree Requirements: • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical field. • Equivalent professional experience may be considered in lieu of a degree. Why QSSHire? As a modern Talent-as-a-Service recruiting partner, QSSHire connects exceptional professionals with impactful opportunities supporting national security missions. We focus on aligning technical expertise with meaningful work while providing transparency, flexibility, and long-term career growth.