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

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:

Active DoD Security Clearance or ability to obtain

Must meet DoD 8570 / 8140 IAT requirements based on deployment