Remote Senior AI Software Engineer - LLMs, RAG & Agents

General Dynamics Information Technology, Inc.; United States; Remote; USD 130,000 - 173,000; Full time

Job summary

General Dynamics Information Technology, Inc. is hiring a Senior AI Software Engineer to build AI applications and agents for the operations team and end users of the cloud platform supporting the National Institute of Allergy and Infectious Diseases (NIAID).

You will design, develop, and integrate software solutions using LLMs, RAG, vector databases, document processing, and AI agents, delivering secure, reliable AI capabilities in a federal cloud environment.

Qualifications

• Bachelor’s degree or equivalent experience.
• 7+ years of professional software engineering, including 1+ year building LLM‑based applications.
• 5+ years of AI or ML application development, including 2+ years with LLMs.
• At least one LLM application built and supported in production beyond a simple chat interface (tool calling, RAG, agents, etc.).
• Experience with agent frameworks such as LangGraph, LangChain, Strands Agents, or CrewAI.
• Strong Python skills, APIs/back-end services, Git, automated testing, and code review.
• Experience with major model providers (OpenAI, Anthropic, Google, Azure AI, Amazon Bedrock).
• Experience deploying and debugging cloud-based apps with containers and CI/CD.
• Ability to obtain and maintain a Public Trust.

Responsibilities

• Build and deploy LLM-based applications and agents, including APIs, back-end services, tool calling, structured outputs, and multi-step workflows.
• Build RAG and document processing pipelines (ingestion, embeddings, vector search, reranking).
• Incorporate evaluation with test datasets, regression tests, metrics, and human review.
• Collaborate with platform and DevOps to run solutions in production with CI/CD, containers, monitoring, and cost controls.
• Coordinate with security engineers on access control, audit logging, PII handling, AI action approvals, and ATO docs.
• Produce technical documentation, architecture diagrams, deployment procedures, and runbooks.
• Advise stakeholders, communicate trade-offs, and mentor engineers.

Skills

AI Software

LLMs

Machine Learning Methods

Education

Bachelor’s degree or equivalent experience

Tools

LangGraph

LangChain

Strands Agents

CrewAI

Python

APIs

CI/CD

Job description

General Dynamics Information Technology, Inc. is hiring a Senior AI Software Engineer to build AI applications and agents for the operations team and end users of the cloud platform supporting the National Institute of Allergy and Infectious Diseases (NIAID).

You will design, develop, and integrate software solutions using LLMs, RAG, vector databases, document processing, and AI agents, delivering secure, reliable AI capabilities in a federal cloud environment.