Senior Software Engineer

We are seeking a Senior Software Engineer to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We’re looking for the best and the brightest to join us in supporting this mission. If meaningful work, initiative, creativity, and continuous self‑improvement are important to your career, join our growing team and discover what's next for you.

Mission Focus: As a Software Engineer on our solutions delivery team, you will have the unique opportunity to work on projects advancing the digital transformation of critical government systems with true mission impact.

Job Description: Our delivery teams are driven to explore new ideas and technology, and care deeply about collaboration, feedback, and iteration. We follow lean agile practices, embrace the Ops (DataOps/DevSecOps/MLOps) to “automate‑first”, use modern tech stacks, and constantly challenge each other to grow and improve.

Technical members of our solutions teams require little guidance, but love to learn, collaborate, and problem‑solve. This position requires experience and passion for coding, and a strong desire to solve our customers’ unique technical and data challenges.

Clearance: Active Secret Clearance required; TS/SCI Preferred.

Location/Flexibility: Vienna, VA with remote flexibility.

Responsibilities

• Bridging the gap between complex business problems and software solutions.
• Coding solutions that adhere to customer security and requirements.
• Supporting the design, development, implementation, and maintenance of software systems.
• Design, code, test, debug, and document solutions with direction from a multi‑disciplinary team.
• Ensure compliance with software design, development, testing, integration, and sustainment standards.
• Research technology solutions, prioritize assignments, and work to resolve issues based on customer and business requirements.
• Ensure that products are designed and developed for scalability, robustness, maintainability, and interoperability.
• Create, implement, and adopt Development Best Practices.

Basic Qualifications

• Clearance: Active Secret Clearance required; TS/SCI Preferred.
• 6+ years of experience with full‑stack software development leveraging multiple programming languages (e.g., Python, Django, Angular, TypeScript).
• Experience with containerization software (e.g., Fargate, OpenShift, Kubernetes).
• Experience with API design and implementation.
• Experience working with a DevOps team.
• Experience working with databases (e.g., PostgreSQL, MySQL, MongoDB, etc.) and:
  • Basic understanding of relational database design principles (e.g., Normalization vs Denormalization).
  • General knowledge of database administration concepts (e.g., users, schemas, constraints).
• Experience integrating third‑party AI/ML foundation models (Amazon Bedrock, Google Vertex AI, etc.) in enterprise web applications.
• Experience supporting code reviews.
• Experience working in a fast‑paced agile environment.
• Demonstrated proficiency with Git version control systems.

Preferred Qualifications

• Experience developing and optimizing retrieval‑augmented generation (RAG) pipelines using managed AI services from Amazon Web Services to deliver scalable, secure AI‑driven application enhancements.
• Preferred candidates present experience working on the backend with a Model‑View‑Controller (MVC) design pattern.
• Experience working with Python for backend development is ideal.
• Preferred experience with the Fargate containerization software.
• Experience with Cloud Providers, preferably AWS.
• Preferred certifications include Amazon Developer Associate, Amazon Solutions Architect Associate.
• Demonstrated ability to effectively engage with Sponsor Information System Security Managers (ISSMs) to ensure security compliance of software.

Physical Requirements

• Prolonged periods sitting at a desk and working on a computer.
• Must be able to lift up to 10–15 pounds at times.

About NT Concepts

Founded in 1998 and headquartered in the Washington DC Metro area, NT Concepts is a private, mid‑tier company with clients spanning the Intelligence and Defense communities. We deliver end‑to‑end data and technology solutions that advance the modernization, transformation, and automation of the national security mission—solutions with real impact developed in a strong engineering culture that encourages technical growth, leadership, and creative “big idea” problem‑solving.

Employees are the core of NT Concepts. We understand that world‑changing concepts happen in collaborative environments. We are a company where talented teams work together using innovation and expertise to solve our clients’ most critical challenges. Here, you’ll gain competitive benefits, opportunities to bolster your skills and develop new abilities, and a company culture dedicated to support and service. In addition to our benefits program, we encourage our employees to take part in #NTC_GivesBack, which paves the way for positive social change.

If joining a stable company with strong professional growth opportunities resonates with you, and you seek vital, mission‑driven projects (for some pretty cool clients) that use your specific talents, we’d love to have you move forward with us.

As set forth in NT Concepts’ Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.