Staff Software Engineer, Frontend Job at Gamma (San Francisco)

Staff Software Engineer, Frontend

Gamma

Location:
United States , San Francisco

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

230000.00 - 310000.00 USD / Year

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Job Description:

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 our frontend architecture, shaping how millions of users interact with our 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.

Job Responsibility:

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
Create integrations with other platforms and build embedded applications
Mentor and guide other engineers

Requirements:

8+ years of experience as a frontend software engineer with deep expertise in building production web applications
Strong understanding of modern JavaScript/TypeScript, ReactJS (with hooks), and asynchronous programming patterns
Deep knowledge of the browser DOM, React's virtual DOM, mutation observers, and event propagation
Experience with state management in React, preferably with Redux
Strong grasp of computer science fundamentals
Experience working in large, complex production-scale frontend codebases

Nice to have:

Experience with ProseMirror or other document editor frameworks
Experience with large language models and AI prompting
Experience with TypeScript, Prisma, and Apollo GraphQL
Contributions to open source projects

What we offer:

competitive equity

Additional Information:

Job Posted:
February 20, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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