Senior Software Engineer / Data Scientist (Training Systems)

Job overview

Senior Software Engineer / Data Scientist (Training Systems), onsite in Chantilly, VA. Salary range $154,050.00 - $278,475.00 per year. Leidos is seeking a hands-on Senior Software Engineer / Data Scientist to support the development of modern training, education, and mission-support applications for national security programs. This role combines applied data science, AI/ML integration, and modern software engineering to build scalable, interactive learning and training systems within classified environments. It focuses on execution and delivery, requiring active design and building of production systems.

What you'll do

• Design, develop, and maintain modern web-based training and learning applications.
• Build responsive, scalable, and accessible front-end applications using TypeScript and modern frameworks.
• Develop and integrate AI/ML-enabled capabilities into training and operational support systems.
• Apply data science and analytics techniques to support adaptive learning, user insights, performance analysis, and mission workflows.
• Collaborate with instructional designers and subject matter experts to translate learning objectives into interactive digital experiences.
• Integrate front-end systems with APIs, backend services, AI/ML pipelines, and enterprise platforms.
• Develop reusable UI components, visualizations, and workflows.
• Work with structured and unstructured data sources across enterprise and classified environments.
• Participate in the full software development lifecycle.
• Support deployment and operationalization of AI/ML capabilities.
• Utilize modern AI-assisted development workflows and coding agents.

What we're looking for

Education

Bachelor's degree

Experience

8-15+ years

Skills & competencies

leidos

chantilly va

full time

information technology/mis

ts/sci clearance with polygraph

Benefits & perks

• Competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement

About the employer

Leidos is hiring for this role. Industry: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). Sector: 54.