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 Active DoD Security Clearance or ability to obtain Must meet DoD 8570 / 8140 IAT requirements based on deployment