Front-End Senior Software Developer

Company OverviewBy 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. 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 OverviewWe 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.ResponsibilitiesAs 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 worldwideCollaborate closely with cross-functional engineering, cyber operations, and product teamsBuild scalable, reusable UI components and data-driven visualizationsSupport next-gen training simulations, games, and cyber visualization toolsWork within a modern Agile/SCRUM environment focused on rapid innovation and deliveryHelp shape the future of global cyber defense training through clean, secure, and intuitive designRequired Experience/QualificationsBachelor’s degree in Computer Science or related field + 4 years of experience, or 8+ years of hands-on software development experienceStrong hands-on experience with ReactSolid knowledge of Agile Software Development & SDLCExperience with:ReactJestCypressGitSCRUM / Agile frameworksMust meet DoD IAT Level II certification requirements (Security+ or approved equivalent)Preferred Experience/QualificationsExperience with:MUIREST APIsStorybookNxJIRA & ConfluenceVisual StudioProven ability to design intuitive, modern User InterfacesExperience building reusable UI component librariesBackground in game development, simulation platforms, or data visualizationsExperience with cyber range virtualization technologiesProficiency in multiple programming languagesSpecial Requirements/Security ClearanceActive DoD Security Clearance or ability to obtainMust meet DoD 8570 / 8140 IAT requirements based on deploymentJob SummaryID: 2026-11141# of Openings: 1Category: CyberClearance: None