Software Engineer Full Stack Senior

* This position is contingent upon contract award. *

* This position is eligible for a $500 ZelTech Non-Employee Referral fee. Contact ZelTech Recruiters for questions concerning this matter. * 

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Location: Charlottesville or McLean, Va

Job Summary: 

The Software Engineer – Full Stack Senior analyzes, designs, develops, and delivers complex full-stack software solutions supporting enterprise, customer-facing, and mission-critical systems. This role applies advanced technical expertise across front-end, back-end, data, and cloud environments, while providing technical leadership and guidance to development teams. The position supports applications deployed in local, networked, cloud-based, and internet environments.

Responsibilities:

• Analyze, design, program, debug, and modify advanced software enhancements and new full-stack software products.

• Lead and support full-stack software architecture and design across front-end, back-end, data-layer, and service-oriented components.
• Develop, maintain, and enhance software used in commercial and end-user applications, including materials management, financial management, HRIS, mobile, and desktop application products.
• Write high-quality, maintainable code using modern programming languages, frameworks, and technologies.
• Perform code reviews and provide technical direction to ensure quality, security, performance, and scalability.
• Complete programming tasks, conduct unit, integration, and system testing, and perform advanced troubleshooting and debugging.
• Design and implement APIs, integrations, and services supporting distributed and cloud-based systems.
• Lead requirements analysis efforts, collaborating with users, stakeholders, and customers to define system capabilities and required modifications.
• Translate business and operational requirements into effective, scalable technical solutions.
• Develop and maintain technical documentation, including system designs, installation procedures, and maintenance guidelines.
• Ensure solutions comply with applicable laws, standards, policies, and established software development best practices.
• Support integration of software solutions into existing or legacy systems.
• Provide technical leadership, mentorship, and guidance to junior and mid-level engineers.
• May lead technical tasks, features, projects, or teams through design, development, and delivery.
• Coordinate with cross‑functional teams to ensure successful software delivery and lifecycle support.

Requirements:

• Must be a US citizen.

• Bachelor’s degree (B.A./B.S.) in Computer Science, Software Engineering, Information Technology, or a related discipline.
• Current TS/SCI security clearance.
• Minimum 8 years’ experience.
• Senior‑level professional experience in full-stack software development.
• Strong experience developing, testing, debugging, and maintaining complex software systems.
• Experience working in local, networked, cloud-based, and internet environments.
• Proficiency with modern programming languages, frameworks, and development tools.
• Experience gathering and translating user and system requirements into technical designs.
• Demonstrated ability to provide technical leadership and drive software solutions to completion.
• Successful background and drug screening check.

Preferred Requirements:

• Current TS/SCI with CI Poly.
• Experience developing enterprise-scale or mission-critical applications.
• Experience with cloud-native architectures and distributed systems.
• Experience mentoring developers or leading technical teams.

• Experience supporting secure, compliance-driven environments.

Physical Demands or Work Environment: 

The work environment