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Principal Full Stack Software Engineer

General Dynamics Information Technology

Arlington, Virginiafull-timePosted 2 days ago
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About this role

YOUR IMPACT Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of War’s mission to keep our country safe and secure. OUR COMPANY Iron EagleX (IEX), a wholly owned subsidiary of General Dynamics Information Technology (GDIT), delivers agile IT and Intelligence solutions. Combining small-team flexibility with global scale, IEX leverages emerging technologies to provide innovative, user-focused solutions that empower organizations and end users to operate smarter, faster, and more securely in dynamic environments. JOB DESCRIPTION Iron EagleX is seeking a Principal Full Stack Software Engineer (Agentic AI focused) to support our AI team in Crystal City, VA. This role will design, deploy, and sustain critical components of our AI analytics stack, including analytic frontends, production APIs, interfaces between AI workflow components, and the underlying data layer. MEANINGFUL WORK AND PERSONAL IMPACT As a Principal Full Stack Software Engineer, you will be a core member of the AI team responsible for prototyping, building, and delivering critical data analytics capabilities. You will help translate emerging AI and machine learning concepts into reliable, user-focused software solutions that support mission outcomes. JOB DUTIES (INCLUDE BUT ARE NOT LIMITED TO) • Develop clean, maintainable, and efficient Python code while adhering to best practices and coding standards. • Lead the technical design and implementation of AI-enabled web applications and analytics using Streamlit, React, or similar technologies. • Integrate modern AI and large language model capabilities into applications and workflows, including prompting, tool calling, retrieval-augmented generation (RAG), and related patterns. • Design, develop, and integrate APIs, including FastAPI-based services, to enable seamless communication between systems. • Build and maintain user interfaces that make complex AI, data, and analytics capabilitie

Read the full description and requirements on the original posting.

Tailor your resume for this Principal Full Stack Software Engineer role

General Dynamics Information Technology and most employers screen applications with ATS software before a recruiter reads them, and they rank resumes that echo the language of the posting. To stand out for this role, mirror the exact skills, tools, and job title it uses, and make your location (Arlington, Virginia) clear. For software & it roles like this one, recruiters commonly scan for:

  • JavaScript
  • Python
  • React
  • AWS
  • SQL
  • CI/CD
  • Docker
  • REST APIs

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Frequently asked questions

Is the Principal Full Stack Software Engineer role at General Dynamics Information Technology remote?

This role is based in Arlington, Virginia. Check the original posting for any hybrid or remote flexibility.

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