Software Engineer, C++
Develops high-performance C++/WebAssembly client-side systems for Figma's real-time collaborative design platform. Optimizes browser performance, extends multiplayer protocols, and builds accessible features. Requires 4+ years experience with C++, TypeScript, and web applications.
About the job
What you’ll do
- Build core features and frontend infrastructure in a real-time, multiplayer system with a complex in-memory data model (SceneGraph)
- Optimize performance and memory usage to deliver a fast, reliable UX in the browser using C++/WebAssembly and TypeScript
- Extend our core C++ engine and multiplayer protocols to support scalable design systems, branching/merging flows, and advanced collaboration modes
- Design and build APIs and tooling to allow product teams to build against our platform with ease and confidence
- Contribute to accessibility strategy and implementation, ensuring our tools are usable by all
- Collaborate regularly with cross-functional partners across product, design, and engineering to plan and execute high-impact projects
- Write clear, maintainable code and documentation, and contribute to architectural decisions
- Mentor and support other engineers through pairing, code review, and feedback
- Help drive recruitment and shape our inclusive, high-performance engineering culture
We’d love to hear from you if you have
- 4+ years of professional Software Engineering experience shipping user-facing features or products
- Strong programming skills in one or more languages relevant to our frontend such as TypeScript, C++, React, Go, Rust, or Python
- Experience working with web-based applications, browser performance, or real-time collaborative systems
- A track record of working collaboratively across teams and disciplines to deliver complex technical projects
Nice-to-haves
- 2+ years of experience in a technical lead role, especially across multiple teams
- Experience with game engines, rendering systems, or other performance-critical applications
- Background in developer platforms or API design
- Familiarity with WebAssembly, browser internals, or C++ in a frontend context
- Passion for crafting collaborative tools and creative workflows
- A strong product mindset and attention to user experience
- A commitment to continuous learning, inclusion, and helping others grow
Skills
C++, Webassembly, TypeScript, React, Real-Time Systems, Multiplayer Protocols, Browser Performance, Scenegraph, Go, Rust
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