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Senior Python Developer

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Next Tier Concepts
Full Time position
Listed on 2026-09-08
Job specializations:
  • Software Development
    Python, Software Engineer, Senior Developer
Salary/Wage Range or Industry Benchmark: 120336 - 180504 USD Yearly USD 120336.00 180504.00 YEAR
Job Description & How to Apply Below

Chantilly, VA

Position Title: Senior Python Developer

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. Were 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

Mission Focus: As a Senior Python Developer
you will have the unique opportunity tosolve hard problems and help turn complex concepts into realityto 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.

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.

The Senior Python Developer will be responsible for the following:

  • 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 Dev Sec Ops
  • 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 Git Lab CI/CD
  • Proficient working in Linux environments
  • Experience with microservices design and development patterns
  • Experience working with container-based applications (Docker, Open Shift) 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 No

    SQL 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.

#JT

Virginia Pay Range

$120,336 — $180,504 USD

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-enddata 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, youll 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 #, 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…

Position Requirements
10+ Years work experience
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