Full-Stack Software Engineer

Commonwealth Fusion Systems is revolutionizing the energy sector by developing commercially viable fusion power plants. Since 2018, they've secured over $2 billion in funding, making them the most well-funded fusion energy company in the US. As a Full-Stack Software Engineer, you'll join their Scientific Software team, working on critical applications that support superconducting magnet manufacturing and tokamak development. The role focuses on maintaining and expanding an internal web app that manages the world's largest HTS test dataset, built with modern TypeScript practices using React and Next.js. This position offers a unique blend of web development expertise and applied physics, requiring strong technical skills and cross-disciplinary communication. The role comes with competitive compensation ($150,000-$250,000), equity, comprehensive benefits, and the opportunity to contribute to groundbreaking clean energy technology. The ideal candidate will have production web application experience, strong TypeScript/React skills, and the ability to work in a fast-paced startup environment while maintaining high software quality standards.