Full Stack Software Engineer (Mid)

Full Stack Software Engineer Location: Hybrid in the Aurora, CO area

Clearance: Ability to Obtain and Maintain a U.S. Government Security Clearance Preferred Build Mission-Focused Applications at DeNOVO Solutions DeNOVO Solutions is seeking a highly capable Full Stack Software Engineer to develop and maintain modern applications supporting defense and intelligence mission environments. This role is ideal for an engineer who enjoys working across backend services, APIs, and frontend interfaces while contributing to scalable and maintainable solutions within an established system architecture. You’ll work closely with senior engineers, architects, and UX/UI designers to build responsive applications, implement new features, support integration efforts, and help solve complex operational challenges through software development. Why You’ll Love This Role You’ll Build Across the Stack Develop backend services, APIs, and frontend interfaces that directly support mission-critical systems and workflows. You’ll Work on Modern Technologies Contribute to applications using Python-based services, modern JavaScript frameworks, and scalable API-driven architectures. You’ll Collaborate with High-Performing Teams Partner with engineers, architects, and UX/UI personnel to deliver intuitive and reliable software solutions. You’ll Grow Your Technical Expertise Gain experience working within secure, scalable, and mission-focused environments while contributing to real-world operational systems. A Day in the Life * Develop and maintain backend services and APIs using Python frameworks such as FastAPI or similar technologies. * Build responsive frontend components and user interfaces using modern JavaScript frameworks such as Vue or Angular. * Implement new application features within established system architectures and development standards. * Collaborate with senior engineers and technical leads to support scalable and maintainable software solutions. * Work with UX/UI teams to translate user requirements and designs into functional application components. * Develop and integrate RESTful APIs supporting frontend and backend communication. * Support debugging, troubleshooting, and root cause analysis across application environments. * Participate in code reviews and contribute to software quality, maintainability, and performance improvements. * Assist with system integration, testing, and deployment activities. * Contribute to documentation, technical discussions, and development planning efforts. * Support modernization efforts involving cloud-native and containerized environments where applicable.

Required Qualifications * Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related technical discipline, or equivalent professional experience. * 10 years of progressive experience in similar roles. * Experience with full stack software development. * Experience developing backend services using Python and frameworks such as FastAPI or similar technologies. * Experience with modern JavaScript frontend frameworks such as Vue or Angular. * Experience designing or integrating RESTful APIs. * Understanding of frontend/backend integration and modern web application architecture. * Ability to independently complete well-defined development tasks and contribute within collaborative engineering teams. * Strong troubleshooting and debugging skills.

Preferred Qualifications * Experience with React or additional modern frontend frameworks. * Familiarity with containerization technologies such as Docker. * Experience supporting cloud-native or hybrid application environments. * Familiarity with CI/CD pipelines and Agile development methodologies. * Experience supporting Department of Defense, Intelligence Community, or other federal mission systems. * Active U.S. Security Clearance preferred.

What Success Looks Like * Application features are delivered reliably, securely, and in alignment with technical requirements. * Backend services and frontend components integrate smoothly across systems. * REST APIs are scalable, maintainable, and well-documented. * Software defects and integration issues are resolved efficiently. * Collaboration across engineering and UX/UI teams drives high-quality user experiences and maintainable codebases.

About DeNOVO Solutions DeNOVO Solutions delivers mission-focused engineering, software development, AI/ML, SIGINT, cyber, infrastructure, and data solutions supporting national security customers across the defense and intelligence communities. We thrive on solving complex operational challenges through innovation, agility, and technical excellence. Mission Focused. Success Driven. Salary Range Salary Range: $110,000 – $155,000 annually for candidates in the Denver/Aurora, CO market. Compensation may vary based on experience, technical expertise, certifications, clearance status, and mission requirements. Candidates with advanced full stack development experience, cloud expertise, or active security clearances may be considered above the listed range.