Senior Product Engineer, Front End
Builds and evolves complex, interactive frontend interfaces for a browser-based AI hardware engineering editor using React and TypeScript. Partners with design and backend teams to ensure fast, intuitive, real-time collaboration in a high-ownership startup environment.
About the job
Responsibilities
- Build and evolve core user-facing features in the Flux web app using React and TypeScript.
- Partner with design to refine flows and interactions from early concepts through production.
- Maintain predictable and scalable UI state and data flows within a collaborative, multi-pane editor environment.
- Improve responsiveness and perceived performance as projects increase in size and complexity.
- Integrate frontend systems with APIs and backend services; collaborate on backend changes when needed.
- Maintain and evolve shared component libraries and design system primitives.
- Add and maintain instrumentation for owned features (usage metrics, error logging, UX dashboards).
- Participate in code reviews, design discussions, and lightweight documentation.
- Mentor other engineers on frontend best practices where appropriate.
Required Qualifications
- Strong command of modern React and TypeScript in sizable production codebases.
- Experience shipping and iterating on complex, interactive web applications (e.g., design tools, visual editors, multi-pane interfaces).
- Experience building responsive UIs on top of asynchronous or computation-heavy backend systems.
- Strong product judgment and experience collaborating closely with design and product.
- Experience with browser performance profiling and debugging.
- Comfortable working across the stack to integrate APIs and make small backend changes.
- Experience in startup or high-ownership environments.
- Based in the San Francisco Bay Area or willing to relocate.
Preferred Qualifications
- Experience building distributed, collaborative, real-time applications.
- Experience with complex editor interfaces, CAD, developer tools, or design tools.
- Familiarity with state management patterns in large React applications (Redux or equivalent).
- Experience with WebWorkers, WebAssembly, or background computation in the browser.
- Experience integrating AI-powered features into user-facing products.
- Experience building high-performance frontends handling large data models.
- Open source contributions in frontend or developer tooling.
Skills
React, TypeScript, Redux, Webworkers, Webassembly, APIs, Browser Performance Profiling, State Management, Design Systems, Real-Time Applications
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