Senior Software Engineer for AI-Driven Training

Leidos LLC; Chantilly (VA); On-site; USD 154,000 - 278,000; Full time

Job summary

Leidos is seeking a hands-on Senior Software Engineer / Data Scientist to design, build, and deploy modern training and mission-support applications for national security programs. You will actively code, deliver production systems, and work across the full stack with TypeScript, AI/ML capabilities, and data-driven learning platforms.

The role emphasizes practical software engineering in classified environments, collaborating with instructional designers, mission stakeholders, and UX teams to

Qualifications

• Bachelor's degree in a related technical field and 8+ years of experience.

Responsibilities

• Design, develop, and maintain modern web-based training and learning applications.

Skills

TypeScript

React

Next.js

Angular

Vue.js

Python

Data science

AI/ML

APIs

Git

CI/CD

Security coding

Education

Bachelor's degree in Computer Science or related

Tools

Claude Code

OpenAI Codex

Cursor

GitHub Copilot

Hugging Face

LangChain

Vector databases

Agentic AI frameworks

Job description

Leidos is seeking a hands-on Senior Software Engineer / Data Scientist to design, build, and deploy modern training and mission-support applications for national security programs. You will actively code, deliver production systems, and work across the full stack with TypeScript, AI/ML capabilities, and data-driven learning platforms.

The role emphasizes practical software engineering in classified environments, collaborating with instructional designers, mission stakeholders, and UX teams to