Full-Stack AI Web Developer: React + Python + LLM

SAIC; Reston (VA); On-site; USD 180,000 - 220,000; Full time

Job summary

SAIC's QVine unit seeks an experienced Full Stack Web Application Developer to design and build scalable web apps with AI-driven features. You will blend ReactJS front-end expertise with robust Python back-end work, and integrate LangChain, LangGraph, LangSmith for advanced LLM workflows.

You'll own API design, CI/CD, cloud deployment (AWS/Azure), security practices, and collaboration with cybersecurity to ensure compliant, reliable software.

Qualifications

• Bachelor’s degree required with 9+ years of experience (MS or PhD preferred).
• TS/SCI with Polygraph required.
• Proven production experience with ReactJS and Python back-end services.
• Experience building LLM-powered features with LangChain/LangGraph/LangSmith.

Responsibilities

• Front-End Development: Design, build, and maintain responsive UIs in ReactJS with state management and RESTful/streaming API integration.
• Python Backend Development: Build scalable services with clean APIs to support front-end and AI features.
• LLM Application Engineering: Design and optimize AI-powered features using LangChain, LangGraph, LangSmith.
• API Design & Integration: Create well-documented APIs connecting front-end with back-end and LLM providers.
• CI/CD & Deployment: Contribute to CI/CD pipelines for automated testing and release cycles.
• Cloud Deployment: Deploy apps in AWS or Azure with high availability and security.
• Security & Compliance: Embed secure development practices and compliance automation with cybersecurity teams.

Skills

ReactJS

JavaScript/TypeScript

Python

LLM orchestration

LangChain

LangGraph

LangSmith

API design

Cloud deployment

CI/CD

Education

Bachelor's degree + 9+ years experience

Tools

FastAPI

Flask

Django

AWS

Azure

Job description

SAIC's QVine unit seeks an experienced Full Stack Web Application Developer to design and build scalable web apps with AI-driven features. You will blend ReactJS front-end expertise with robust Python back-end work, and integrate LangChain, LangGraph, LangSmith for advanced LLM workflows.

You'll own API design, CI/CD, cloud deployment (AWS/Azure), security practices, and collaboration with cybersecurity to ensure compliant, reliable software.