Senior Full-Stack Developer - Mission-Critical Data Apps

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

Job summary

Leidos in Chantilly, VA seeks a Senior Software Developer to rapidly deliver front-end and back-end software in a mission-focused environment. You will work with customers to translate evolving requirements into practical, scalable software solutions and support the full development lifecycle.

The role requires a TS/SCI clearance with a willingness to polygraph and extensive experience across Java, C#/.NET, and Python, plus modern JavaScript (React/Node/Next) and databases (MySQL, MongoDB).

Qualifications

• Bachelor's degree required in a technical field.
• 15+ years of relevant software development experience.
• Active TS/SCI clearance and willingness for a polygraph.

Responsibilities

• Design, develop, maintain, and enhance mission-critical software applications.
• Rapidly deliver software solutions for evolving operational needs.
• Develop front-end and back-end components for data-analysis requirements.
• Work with customers and end users to translate requirements into technical solutions.
• Develop applications for analyzing and visualizing large datasets, including geospatial data.
• Troubleshoot issues across software, system, and data domains.
• Participate in the full software development lifecycle from requirements to sustainment.
• Research and integrate new technologies as mission needs evolve.

Skills

Java

C#/.NET

Python

React.js

Node.js

Next.js

MySQL

MongoDB

UI/UX design

Windows and Linux

Education

Bachelor's degree in Computer Science/IT or related field

Tools

Git

Subversion

Docker

Kubernetes

Job description

Leidos in Chantilly, VA seeks a Senior Software Developer to rapidly deliver front-end and back-end software in a mission-focused environment. You will work with customers to translate evolving requirements into practical, scalable software solutions and support the full development lifecycle.

The role requires a TS/SCI clearance with a willingness to polygraph and extensive experience across Java, C#/.NET, and Python, plus modern JavaScript (React/Node/Next) and databases (MySQL, MongoDB).