Lead Full Stack Engineer

  • The Josef Group Inc.
  • Mc Lean, Virginia
  • 11/14/2026
Full time Information Technology Telecommunications

Job Description

Job Description

Senior Full Stack Developer (Python / React) - TS/SCI with CI Polygraph

Bethesda, MD or McLean, VA

About the role

Join a high-performing development team that reports directly to senior executives in the Intelligence Community. The team builds the environment and applications that put business data and analytics to work. This is a hands-on development role. We're looking for a senior engineer who can raise the technical bar on a team of strong junior and mid-level developers.

What you'll do

  • Design, build and maintain full stack applications that turn business data into analytics and decision-support tools.
  • Develop back-end services and data pipelines in Python and front-end interfaces in TypeScript and React.
  • Work with PostgreSQL databases and AWS-hosted environments.
  • Contribute hands-on code every day, and also set technical direction, review code and mentor teammates.
  • Work directly with the customer and stakeholders to turn their needs into working software.

Tech stack (not all required)

  • Back end: Python, Flask, SQLAlchemy, Pandas
  • Front end: TypeScript, React, PrimeReact
  • Data: PostgreSQL
  • Cloud: AWS

Required qualifications

  • Active TS/SCI with a CI polygraph
  • Senior-level experience in full stack software development
  • Strong Python and TypeScript/React experience,
  • Experience with relational databases
  • Ability to work on site in Bethesda, MD or McLean, VA