Full-Stack Software Engineer

Commonwealth Fusion Systems (CFS) is at the forefront of fusion energy development, having raised over $2 billion in capital since 2018. The company is seeking a Full-Stack Software Engineer to join their Scientific Software team, focusing on developing software for understanding and building superconducting magnets and tokamaks.

The role centers on maintaining and expanding an internal web application that manages the processing of superconducting material (HTS) from electrical testing through magnet assembly. This application hosts the world's largest HTS test dataset and is built using modern TypeScript practices with React and Next.js. The position offers an unique opportunity to work at the intersection of web development and applied physics.

As a Full-Stack Software Engineer, you'll be responsible for both frontend and backend development, with emphasis on data visualization and user interface design. The role requires strong technical expertise in TypeScript, React, and SQL databases, combined with the ability to communicate effectively across technical disciplines. You'll work closely with internal teams, supporting the company's mission to deliver commercially viable fusion energy.

The position offers a competitive salary range of $150,000 - $250,000, plus equity and benefits. CFS values diversity and maintains an inclusive work environment, considering all qualified applicants equally regardless of background. The role offers the flexibility of remote work while contributing to groundbreaking energy technology development.

The ideal candidate will bring not only technical expertise but also a passion for problem-solving and the ability to thrive in a fast-paced startup environment. Optional experience with AWS, Rust, and Web Assembly would be advantageous, as would a background in Physics or Mathematics.