Front End Software Engineer with Security Clearance

Location: Reston, VA We are seeking a talented Front-End Software Engineer with a strong foundation in computer science and an eye for thoughtful UI/UX design. You’ll build sophisticated web applications for simulation and optimization software that models complex physical systems. You’ll work alongside Research Scientists and Software Engineers on small, highly collaborative teams, contributing throughout the development lifecycle—from concept and prototyping through visualization, implementation, testing, and deployment. This is an opportunity to work on technically challenging problems where software, science, and design intersect. Team members have broad ownership and the flexibility to apply their strengths while developing new skills. What You’ll Do

• Design and develop modern, responsive front-end web applications using JavaScript/TypeScript and React
• Create intuitive interfaces for complex scientific and engineering applications
• Develop data visualizations and interactive tools that help users understand complex models and results
• Collaborate with software engineers and research scientists to translate technical requirements into effective user experiences
• Prototype, test, troubleshoot, and optimize applications for performance, security, and usability
• Contribute across the full software development lifecycle, from early concepts through deployment

Required Qualifications

• Bachelor’s degree in Computer Science or a related technical field
• 2+ years of relevant software development experience
• Strong experience with JavaScript or TypeScript, React, HTML, and CSS
• Experience developing front-end web applications
• Experience with UI/UX design or a strong understanding of user-centered design principles
• Excellent written and verbal communication skills
• ACTIVE SECRET CLEARANCE

Preferred Qualifications

• Experience with Java or Python
• Experience with Spring Boot, Redux, WebGL, or OpenGL
• Experience building interfaces for data-intensive, scientific, or engineering applications
• Experience with front-end testing and mocking frameworks
• Understanding of REST APIs, back-end development, and relational or document databases
• Experience optimizing web applications for performance, responsiveness, and security

Why This Role If you enjoy solving difficult problems, building polished user experiences, and working alongside people who are pushing the boundaries of science and technology, this role offers the opportunity to have meaningful technical ownership from concept to deployment.