Staff Software Engineer, Frontend at Gamma

ABOUT THE ROLE You'll lead critical frontend initiatives as Gamma scales to serve hundreds of millions of users creating content with AI. This means building the core foundation of our real-time collaborative editor, architecting complex AI-powered features, and ensuring the frontend stays fast and delightful at massive scale. You'll have significant ownership over frontend architecture, shaping how millions of users interact with the platform every day. As a Staff Engineer, you'll balance hands-on engineering with technical leadership. You'll ship to production daily, lead performance optimization initiatives, and mentor engineers while setting the standard for frontend excellence. You'll work closely with backend engineers, designers, product managers, and engineering leadership to build sophisticated experiences that feel effortless. Our team has a strong in-office culture and works in person 4–5 days per week in San Francisco. We love working together to stay creative and connected, with flexibility to work from home when focus matters most. WHAT YOU'LL DO - Build and maintain the core foundations of our collaborative editor using CRDTs and WebSockets - Architect complex AI-powered features and workflows that integrate LLMs seamlessly into the user experience - Lead frontend performance optimization initiatives to ensure the app stays fast at scale - Design and implement sophisticated drag-and-drop interfaces for intuitive content manipulation - Contribute to and suggest improvements for open-source projects at the core of our application, and create integrations with other platforms and embedded applications - Mentor and guide other engineers while setting the bar for frontend craft WHAT YOU'LL BRING - 8+ years of experience as a frontend software engineer with deep expertise in building production web applications and working in large, complex production-scale codebases - Strong understanding of modern JavaScript/TypeScript, React (with hooks), and asynchronous programming patterns - Deep knowledge of the browser DOM, React's virtual DOM, mutation observers, and event propagation, with experience in state management (preferably Redux) - Strong grasp of computer science fundamentals and the ability to mentor and raise the bar for engineers around you - Experience with ProseMirror or other document editor frameworks, large language models and AI prompting, TypeScript/Prisma/Apollo GraphQL, or contributions to open-source projects (Nice to have) COMPENSATION RANGE: The base salary for this full-time position, which spans multiple internal levels depending on qualifications, ranges between $230K - $310K plus benefits & equity. Final offer amounts are determined by multiple factors, including but not limited to experience and expertise in the requirements listed above. If you're interested in this role but you don't meet every requirement, we encourage you to apply anyway! We're always excited about meeting great people.