Python Developer

NT Concepts; Chantilly (VA); Hybrid; USD 120,000 - 181,000; Full time

Job summary

NT Concepts seeks a Senior Python Developer to build and maintain data-intensive applications supporting national security missions. You will join an agile, cross-functional team delivering robust software solutions and modern data science capabilities.

The role requires 5+ years Python, ML tool experience, cloud, containers, and CI/CD, plus an active TS/SCI clearance. Remote flexibility is available for local candidates based in Chantilly/Vienna, VA, or nearby.

Qualifications

• Active TS/SCI clearance is required.
• 5+ years of Python development experience.
• Experience with PyTorch and PyTest for ML workloads.
• Experience designing RESTful APIs.
• Cloud experience across AWS, GCP, or Azure (AWS preferred).
• Proficient with GitLab CI/CD and Linux environments.
• Experience with microservices, Docker, OpenShift, and Kubernetes.
• Familiarity with relational and NoSQL databases (PostgreSQL, MongoDB, Redis).
• Experience supporting agile teams in fast-paced environments.

Responsibilities

• Support design, development, implementation and maintenance of software systems.
• Design, develop, test, debug and document solutions with guidance from senior team members.
• Ensure compliance with software design, development, testing, integration and sustainment standards.
• Research technology solutions, prioritize assignments, and resolve issues per customer requirements.
• Ensure products are scalable, robust, maintainable, and interoperable.
• Create, implement and adopt industry Design & Development Best Practices.

Skills

Python

PyTorch

PyTest

REST APIs

AWS

GCP

Azure

GitLab CI/CD

Docker

Kubernetes

OpenShift

Linux

CI/CD

AI/ML concepts

SQL/NoSQL

Tools

GitLab CI/CD

Docker

OpenShift

Kubernetes

PostgreSQL

NoSQL databases

Job description

We are seeking a Senior Python Developer 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 Senior Python Developer you will have the unique opportunity to solve hard problems and help turn complex concepts into reality to advance and enhance systems supporting the defense of our nation. You will be part of a solutions-oriented, cross-functional modern agile team designing and developing custom applications and components to support innovative data science capabilities.

Location/Flexibility

Chantilly, VA and Vienna, VA with remote flexibility. Must be local to the DC Metro area.

Clearance: Active TS/SCI

Responsibilities

Technical members of our solutions teams require little guidance, but love to learn, collaborate, and problem solve. This position requires a mid to senior level of experience, a passion for developing solutions and solving problems, and a strong desire to solve our customers' hardest technical and data challenges.

• Support design, development, implementation and maintenance recommendations for software systems
• Design, develop, test, debug and document solutions with direction from senior team members from other practices including data science and DevSecOps
• 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 industry Design & Development Best Practices

Qualifications

• Clearance: Active TS/SCI
• 5+ years of experience with Python or other programming languages (e.g., Java, C#, GoLang)
• Ideal candidates will have experience working with PyTorch, PyTest and supporting machine learning efforts
• Experience with API design and implementation that conforms with REST standards
• Experience with Cloud Providers (AWS, GCP, and Azure) preferably AWS
• Demonstrated proficiency with Git version control systems specifically GitLab CI/CD
• Proficient working in Linux environments
• Experience with microservices design and development patterns
• Experience working with container-based applications (Docker, OpenShift) and Kubernetes
• Experience supporting code reviews and unit-tests
• Experience working in a fast-paced agile environment tailored to deliver AI/ML software solutions
• Understanding of AI/ML concepts and familiarity with model development, training, serving, integration, and deployment workflow is a huge plus
• Familiarity with RDBMS (e.g. PostgreSQL, MS SQL Server, MySQL) and NoSQL databases (e.g. Mongo DB, Cassandra, Redis)
• Familiarity with one or more Configuration Management Tools, such as Chef or Ansible

Physical Requirements

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

Virginia Pay Range

$120,336—$180,504 USD

The pay range listed for this position reflects the wage or salary range NT Concepts expects to pay for this role at the time of posting. The compensation offered to a successful candidate within this range will be based on legitimate, job-related factors, including (but not limited to) the candidate's work location, education, knowledge, skills, competencies, and experience, as well as contract‑specific affordability and organizational requirements.

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.