Haystack
← Back to Jobs
Full time
Technology

Senior Python Developer

MANTECHHerndon, VA🇺🇸United StatesPosted 12 Jul 2026

Why This Role Stands Out

You can significantly impact national security by developing innovative Python-based solutions for the Intelligence Community, with opportunities for professional growth and skill development in a collaborative, hybrid environment. This role is ideal for experienced Python developers passionate about tackling complex challenges and contributing to meaningful projects, so we encourage you to apply.

Quick Overview

Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA. In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers the chance to grow your expertise alongside talented Software Developers, Data Engineers, and System Engineers while pioneering solutions that make a national impact.

Responsibilities include, but are not limited to:

  • Understand requirements and design and develop software components.
  • Research software concepts, develop, and demo proof-of-concepts.
  • Collaborate with team members to understand current product features.
  • Develop automated unit and integration tests.
  • Participate in code reviews and engage in the project's agile development process.
  • Effectively communicate with fellow developers and occasionally with end-users.

Minimum Qualifications:

  • Bachelor’s degree in Computer Science or similar technical field and 10+ years of experience in software development or High School Diploma and 14+ years of experience in software development.
  • 10+ years’ experience developing with Python
  • Experience in SQL and database management
  • Experience in front-end / full stack development 
  • Experience with Version Control Systems such as Git
  • Experience with containerization tools such as Docker or Kubernetes
  • Knowledge of RESTful API development and integration
  • Understanding of Linux/Unix operating system environments

Preferred Qualifications:

  • Experience with Agile development methodologies, daily SCRUM, and JIRA
  • Experience working with Node.js
  • Experience with CI/CD tools such as Jenkins or GitLab CI
  • Knowledge of cloud services such as AWS or Azure

Clearance Requirements: Active/current TS/SCI with Polygraph is required for this position.

Physical Requirements: Must be able to remain in a stationary position 50% of the time.

Skills

Docker
Node.js
SQL
AWS
Scrum
Agile
Azure
Git
GitLab CI
Jenkins
Jira
Kubernetes
Python

Similar jobs