Six Figure Work

Senior Python Developer

NT Concepts

Company websitentconcepts.com (NT Concepts, opens in new tab)

Base salary $120,336  to $180,504

Employer-published annual base salary, USD. Advertised base range in Chantilly, VA

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  • LocationChantilly, VA
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (1 h ago) · observed since

About this job

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

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.

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 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.

#JT

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.

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-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.

Source: NT Concepts on Greenhouse · View original posting (opens in new tab)

Pay in context

This role's base floor ($120,336) is above 17% of the 523 Software Engineering roles in Virginia listed on this site; 1 other lists the same floor. Their median floor is $159,000; the middle half runs from $131,300 to $179,400.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 6, 2026.

This range next to 6 other live NT Concepts roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live NT Concepts roles with the nearest advertised base floor
RolePublished base
Senior Python Developer (this listing)$120,336 - $180,504
Lead Systems Administrator$120,336 - $180,504
Database Developer$120,336 - $180,504
DevSecOps Engineer$120,336 - $180,504
Senior DevSecOps Engineer$120,336 - $180,504
Senior / SME Software Developer – Java / Python$120,336 - $180,504
Machine Learning Engineer$120,336 - $180,504

Same $100K to $400K scale as every card. All NT Concepts roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-08-27
Where this pay comes from

Location as the employer wrote it: Chantilly, VA

$120,336—$180,504 USD

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.