> Markdown version of [/jobs/ext/1227410-front-end-senior-software-developer](https://www.wearedevelopers.com/jobs/ext/1227410-front-end-senior-software-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Front-End Senior Software Developer - **Company:** By Light Professional IT Services - **Location:** Hanover, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Data Visualization, Video Game Development, Design of User Interfaces, Microsoft Visual Studio, Scrum Methodology, Systems Development Life Cycle, Software Engineering, Virtualization Technology, Web Applications, ReactJS, Cypress (Programming Language), Git, Material UI, Information Technology, Atlassian Tools, Data Analytics, Front End Software Development, Restful APIs, Cyber Warfare, Programming Languages - **Published:** July 10, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/87681705/1 ## About the Role 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., * 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 ## Description 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., 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 ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Building a component library for modern challenges](https://www.wearedevelopers.com/videos/650-building-a-component-library-for-modern-challenges) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) - [Can SVG be fast? Rendering a scatter chart with over 10k points](https://www.wearedevelopers.com/videos/100299-can-svg-be-fast-rendering-a-scatter-chart-with-over-10k-points) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)