Hands-On Senior Full-Stack Engineer — TS/SCI + Poly

The Josef Group; McLean (VA); On-site; USD 210,000 - 225,000; Full time

Job summary

The Josef Group is seeking a hands-on Full Stack Developer to support mission-critical applications from McLean, VA or Bethesda, MD. Lead architecture discussions while coding across the stack with Python/Flask and TypeScript/React, leveraging PostgreSQL and AWS.

Ideal candidates will bring senior-level engineering, strong collaboration, and a pragmatic approach to design, testing, and deployment in an Agile environment.

Qualifications

• Strong experience in full-stack software development.
• Hands-on with Python and Flask.
• Front-end experience with TypeScript and React.
• Experience with PostgreSQL and relational databases.
• Experience with AWS and cloud-based development.
• Experience with Pandas or similar data-processing tools.

Responsibilities

• Design, develop, test, and maintain full-stack applications using modern practices.
• Build scalable back-end services and APIs with Python and Flask.
• Develop responsive front-end apps using TypeScript and React.
• Design efficient data models and queries for PostgreSQL and data systems.
• Leverage AWS services to develop, deploy, and support cloud apps.
• Manipulate, analyze, and integrate data with Pandas-based tooling.
• Contribute hands-on coding and guide technical direction for the team.
• Provide mentorship and guidance to other developers.
• Collaborate with stakeholders to translate requirements into technical solutions.
• Participate in architecture discussions, code reviews, testing, and deployment.
• Identify opportunities to improve performance, security, and maintainability.

Skills

Python

Flask

TypeScript

React

PostgreSQL

AWS

Pandas

Full-stack development

Tools

PostgreSQL

AWS

Job description

The Josef Group is seeking a hands-on Full Stack Developer to support mission-critical applications from McLean, VA or Bethesda, MD. Lead architecture discussions while coding across the stack with Python/Flask and TypeScript/React, leveraging PostgreSQL and AWS.

Ideal candidates will bring senior-level engineering, strong collaboration, and a pragmatic approach to design, testing, and deployment in an Agile environment.