Full Stack Engineer

We are a small team that formed around our open-source Excalidraw editor, loved for its simplicity and hand-drawn aesthetic, used by hundreds of thousands of users worldwide including companies such as Meta/Facebook, OpenAI, Netflix, and Stripe. We maintain both the open-source editor and the paid Excalidraw+ app. The role involves working fully remotely with a flexible work time schedule.

• Solid grasp of TypeScript with a type-safety-first mindset.
• Advanced experience with React and the front-end ecosystem including effects, closures, memoization/caching, pub/sub, state management, async/concurrency, and race conditions.
• Experience with Node.js including REST and API/services design.
• Good eye for UX and UI to build intuitive interfaces.
• Skills in debugging, profiling, memory optimization, root-cause analysis, and first-principles thinking.
• Basic SQL knowledge with intuition for query optimization.
• Ability to review, understand, clean up, and own LLM-written code.
• Ability to work independently, take initiative, solve problems, and fully own tasks.
• Teamwork skills including unblocking others and asking for help when needed.
• Excellent communication skills.

Nice to have:

• Deep experience in Realtime/WebSockets, Concurrency, Versioning/CRDT, Canvas/WebGPU.

• Design API (both public and private) for the editor and Excalidraw+.
• Work on AI editor integration.
• Develop new features and improve current ones.
• Participate in strategic planning and product design, owning tasks end-to-end.
• Smooth out UX and DX rough edges.
• Maintain the codebase, write consistent code, remove duplication, and automate workflows.