Principal Agentic AI Full Stack Software Engineer

General Dynamics Information Technology; Arlington (VA); On-site; USD 153,000 - 207,000; Full time

Job summary

Iron EagleX (IEX), a subsidiary of General Dynamics Information Technology, seeks a Principal Agentic AI Full Stack Software Engineer in Crystal City, VA. Lead AI analytics stack design, frontends, and production APIs.

You will implement retrieval-augmented generation, tool calling, and secure, scalable backend services. You will deliver AI-enabled web apps with Streamlit/React, build RESTful APIs (FastAPI), and maintain CI/CD pipelines with Docker and relational databases.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience).
• 8+ years of related experience with TS/SCI with polygraph eligibility is required.
• Experience building AI-enabled web apps and analytics dashboards.
• Proficiency with Python, web tech, APIs, and containerized deployments.

Responsibilities

• Design, deploy, and sustain AI analytics stack components including frontends, production APIs, and data layer.
• Develop clean, maintainable Python code and AI-enabled web applications.
• Build and maintain UI to make AI/data analytics accessible to end users.
• Establish and maintain CI/CD pipelines and Docker-based deployments.

Skills

Python

AI-enabled apps

Frontend React

REST APIs

Docker

Databases PostgreSQL/MySQL

Git

CI/CD

Full stack

Security

Education

Bachelor's degree in Computer Science/Software Engineering

Tools

Kubernetes

FastAPI

Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: AI Ops, CI/CD, Docker (Software), User Interfaces (UI), Web Applications Certifications: None Experience: 8 + years of related experience US Citizenship Required: Yes Job Description: 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 Agentic AI Full Stack Software Engineer 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 Agentic AI 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 capabilities accessible to end users.
• Establish and maintain CI/CD pipelines and container-based deployments using tools such as Docker to support repeatable builds and reliable releases.
• Work with relational databases such as PostgreSQL and MySQL to ensure data integrity, performance, and efficiency.
• Implement and maintain version control using Git to streamline collaboration and code management.
• Collaborate with cross-functional teams to define, design, develop, test, and deliver new features.
• Ensure all developed solutions meet high standards for security, quality, reliability, and maintainability.
• Contribute to all stages of the software development life cycle, from concept and design through testing, deployment, and sustainment.

REQUIRED SKILLS

• Proficiency in writing clean, maintainable, and efficient Python code.
• Experience building AI-enabled web applications, analytic dashboards, or user workflows using Streamlit or similar technologies.
• Strong knowledge of web technologies, containerization, RESTful APIs, and user interface development.
• Experience designing and maintaining scalable backend solutions using Python frameworks.
• Familiarity with relational database systems such as PostgreSQL and MySQL.
• Proficiency with Docker; Kubernetes experience is a plus.
• Proficiency with Git-based version control and collaborative software development workflows.
• Hands-on experience with full stack development and a strong understanding of the software development life cycle.
• Ability to work effectively both independently and collaboratively in a fast-paced environment.

DESIRED SKILLS

• Experience developing modern front-end applications using React.
• Hands-on experience designing or developing LLM-powered agentic workflows that use tool calling, structured outputs, task planning, and multi-step execution.
• Familiarity with component-based UI development, state management, and reusable front-end design patterns.
• Experience integrating React-based frontends with RESTful APIs or Python-based backend services.
• Experience supporting AI, machine learning, data analytics, or mission-focused software applications.
• Familiarity with cloud-native application development, DevSecOps practices, or secure software delivery environments.
• Experience implementing reliable AI workflows with validation, error handling, retries, logging, and fallback strategies.
• Understanding of MLOps concepts, including model registry/versioning, reproducible environments, and CI/CD for ML-enabled systems.

WHAT YOU’LL NEED TO SUCCEED

Clearance: Current TS/SCI Clearance with active or ability to obtain CI Polygraph is required

Experience: 8+ years of related experience

Education: Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience)

Role requirements: Work is onsite in Crystal City, VA with optional CONUS travel

Due to US Government Contract Requirements, only US Citizens are eligible for this role

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth: AI-powered career tool that identifies career steps and learning opportunities

Support: An internal mobility team focused on helping you achieve your career goals

Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off

Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY Explore a career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your passion for the mission and delivering results.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

The likely salary range for this position is $153,000 - $207,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours: 40 Travel Required: 10-25% Telecommuting Options: Onsite Work Location: USA VA Arlington Additional Work Locations:

Total Rewards at GDIT

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.