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Lead Frontend Engineer

San Francisco💼 Full-time🗓 2026-03-17 → 2026-09-26

Core

Lead the design and development of user-facing interfaces for an agentic AI system across desktop, browser, and filesystem.

Role type

Lead Frontend Engineer (AI/Agentic Systems)

Builds

Browser-based and desktop interfaces, component libraries, and frontend infrastructure for AI agents.

Domain

Artificial Intelligence / Human-Computer Interaction (HCI)

Deliverable

product features

Required skills

HTML, CSS, JavaScript/TypeScript, React, UI/UX design, accessibility standards, responsive design, high-performance interfaces, prototyping, Figma, systems-level thinking

Preferred skills

Building browser extensions or desktop applications (Electron, Tauri), mobile platform experience, backend/API knowledge, AI systems familiarity, inclusive design practices

Technologies

React, Figma, Electron, Tauri

Responsibilities

Design and develop browser-based and desktop interfaces; Build and maintain component libraries and styling systems; Research and refine user flows based on real-world usage; Prototype and implement UI features with ML and backend teams; Ensure interfaces are accessible, responsive, and high-performance.

Seniority

Lead, hands-on IC with mentorship responsibilities

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