Description
Twenty Technologies is hiring a full-time, on-site Frontend Engineer to build mission-critical, high-performance React and TypeScript interfaces for real-time cyber operation data. The role owns significant features end-to-end, contributes to frontend architecture, builds interactive visualizations, writes automated tests, improves performance and reliability, and collaborates with product, design, backend, and operations teams. Candidates need 5–8 years of professional frontend experience, strong React and TypeScript expertise, modern web fundamentals, testing and state-management experience, build and CI/CD familiarity, Git proficiency, and a bachelor's degree in computer science or engineering or equivalent practical experience. The role is limited to U.S. citizens and may require eligibility to obtain a U.S. Government security clearance.
