Front-End Senior Software Developer

Company Overview

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Position Overview

We are seeking an elite Front-End Senior Software Developer to help power next-generation cyber range environments worldwide. This is not just another dev role—this is a mission-critical opportunity where your work directly supports global cybersecurity readiness and real-world cyber defense operations.

If you thrive in fast-paced, Agile environments, love crafting intuitive user experiences, and want your code to have real-world impact—this is your stage.

Responsibilities

As a key member of our Cyber Range Development Team, you will:

Design, develop, and test high-performance front-end web applications supporting cyber training platforms used worldwide
Collaborate closely with cross-functional engineering, cyber operations, and product teams
Build scalable, reusable UI components and data-driven visualizations
Support next-gen training simulations, games, and cyber visualization tools
Work within a modern Agile/SCRUM environment focused on rapid innovation and delivery
Help shape the future of global cyber defense training through clean, secure, and intuitive design

Required Experience/Qualifications

Bachelor’s degree in Computer Science or related field + 4 years of experience, or 8+ years of hands-on software development experience
Strong hands-on experience with React
Solid knowledge of Agile Software Development & SDLC
Experience with:
React
Jest
Cypress
Git
SCRUM / Agile frameworks
Must meet DoD IAT Level II certification requirements (Security+ or approved equivalent)

Preferred Experience/Qualifications

Experience with:
MUI
REST APIs
Storybook
Nx
JIRA & Confluence
Visual Studio
Proven ability to design intuitive, modern User Interfaces
Experience building reusable UI component libraries
Background in game development, simulation platforms, or data visualizations
Experience with cyber range virtualization technologies
Proficiency in multiple programming languages

Special Requirements/Security Clearance