Senior Full-Stack Engineer (TS/SCI) | Python, React, AWS

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

Job summary

The Josef Group in Bethesda, MD is seeking a hands-on Full Stack Developer to join a high-performing technical team responsible for mission-critical applications. You will write code, solve complex problems, and contribute to architecture and technical direction while providing team leadership.

The ideal candidate has strong experience across front-end and back-end development, with emphasis on Python, Flask, TypeScript, React, PostgreSQL, and AWS, and thrives in a collaborative, agile

Qualifications

• Active TS/SCI with CI Poly required to start.
• Strong experience in full-stack software development.
• Hands-on experience with Python and Flask.
• Strong front-end development experience with TypeScript and React.
• Experience with PostgreSQL and relational databases.
• Experience with AWS and cloud-based application development.
• Experience with Pandas or similar Python data-processing frameworks.
• Ability to work independently while collaborating effectively with a technical team.

Responsibilities

• Design, develop, test, and maintain full-stack applications using modern software development practices.
• Build scalable back-end services and APIs using Python and Flask.
• Develop responsive, user-friendly front-end applications using TypeScript and React.
• Work with PostgreSQL and other data systems to design efficient data models, queries, and integrations.
• Leverage AWS services to develop, deploy, and support cloud-based applications.
• Use Pandas and Python-based data processing tools to manipulate, analyze, and integrate data.
• Contribute hands-on code throughout the development lifecycle rather than managing only.
• Help establish technical direction, development standards, and best practices for the team.
• Provide technical mentorship and guidance to other developers.
• Collaborate with engineers, technical leads, and mission stakeholders to translate requirements into effective technical solutions.
• Participate in architecture discussions, code reviews, testing, troubleshooting, and deployment.
• Identify opportunities to improve application performance, scalability, security, and maintainability.
• Support the full software development lifecycle in an Agile environment.

Skills

Python

Flask

TypeScript

React

PostgreSQL

AWS

Pandas

Full-stack development

Job description

The Josef Group in Bethesda, MD is seeking a hands-on Full Stack Developer to join a high-performing technical team responsible for mission-critical applications. You will write code, solve complex problems, and contribute to architecture and technical direction while providing team leadership.

The ideal candidate has strong experience across front-end and back-end development, with emphasis on Python, Flask, TypeScript, React, PostgreSQL, and AWS, and thrives in a collaborative, agile