Noon
Frontend Systems Architect
$250K–$300K
San Francisco · On-site · Full-time · Posted May 9, 2026
- Experience
- 6–10 years of professional experience building large-scale web applications; 2–4 years in a Lead or Staff capacity owning frontend architecture and technical strategy.
About the job
Serves as the frontend organization’s technical anchor, building and guiding high-performance, real-time collaborative systems for an AI design tool.
What you'll do
- Own frontend architecture, including module boundaries, state and data flow, rendering strategy, and extensibility.
- Set frontend technical direction, performance, testing, observability, and release reliability.
- Collaborate with partner teams and mentor engineers through reviews and workshops.
What they ask for
- Mastery of React and TypeScript for complex, high-performance UIs.
- Proven experience building large editors or complex UI systems.
- Deep experience with modern state management and reactive programming.
- Proven ability to optimize web application performance, including memory management and rendering bottlenecks.
Pay
$250,000-$300,000 USD base salary
Tools
React, TypeScript, Zustand, Recoil, Jotai, Redux
AI focus
Builds a next-generation AI design tool, including performance for canvases with thousands of AI-generated nodes.
Model-written summary · the original posting is authoritative