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Python Software Engineer

GCR Professional Services

Cambridge, MA • 11/3/2026

Job Description

Job Description

Python Software Engineer

Position has the ability to transition from contract to direct at the client and candiates request

You may sit inCambridge, MA, Arlington, VA, Seattle, WA
These positions are onsite or hybrid requiring 3+ days/week in office

You must be a US Citizen and be able to hold and Active Secret/Top Secret/ TS/SCI

Our Clientis a specially selected team of scientists, engineers, and software developers who use asymmetric and unconventional approaches to deploy practical solutions that solve difficult multi-disciplinary problems faced by the US National Security Ecosystem.

Responsibilities:
  • Design and develop scalable, efficient, and reliable software applications using Python

  • Participate in design reviews, code reviews, and pair programming to ensure high-quality code and knowledge sharing

  • Stay up-to-date with the latest software engineering trends, tools, and technologies

  • Collaborate with cross-functional teams to deliver high-quality software products, ensuring seamless integration and deployment

  • Contribute to the development of new codebases that emphasize object-orientation, modularity, and maintainability

Requirements:
  • US citizenship and the ability to obtain a U.S. security clearance (Secret, Top Secret, or TS/SCI)

  • Expertise in Python

  • Strong understanding of relational databases and version control systems (e.g., Git)

  • Experience with Docker, Docker-compose, or Kubernetes

  • Familiarity with Agile development methodologies (Scrum or Kanban) and microservice architecture

  • Strong communication skills and self-motivation

  • Bachelor's or Master's degree in Computer Science or a related field (or significant professional experience)

  • 5+ years of software development experience

  • Willingness to travel up to 25%
Preferred Qualifications:
  • Experience with cloud computing platforms (AWS, Azure, GCP)

  • Knowledge of Spark or PySpark

  • Background in mathematics or computer science

  • Experience with DevOps tools and practices

  • Familiarity with containerization technologies

  • Experience or desire to lead technical teams