Staff Frontend Engineer – Remote

About the role

As a Staff Frontend Engineer you will shape the user‑facing experience of an AI‑powered streaming chat product that is expanding into rich analytics interfaces. You will work closely with design to explore generative UI concepts and bring them to life with high craftsmanship and autonomy.

Key responsibilities

• Lead the frontend surface of a streaming chat application and its analytics extensions.
• Build pixel‑accurate, polished UI that matches design specifications.
• Collaborate with Design on generative UI discovery and rapid prototyping.
• Champion accessibility and inclusive UX across all internal‑facing experiences.
• Proactively surface experience issues rather than waiting for feedback cycles.

Required profile

• 8+ years of experience with React and Next.js using TypeScript.
• 4+ years of backend experience with Python.
• Proven experience building, maintaining, and evolving production LLM systems.
• Experience with LLM evaluation and tracing tools such as LangSmith.
• High attention to UI detail, pixel accuracy, and design fidelity.
• Experience with analytics and charting UI (D3, Recharts, Visx, etc.).
• Familiarity with design systems (Odyssey, Material, Carbon).
• Experience with streaming chat interfaces, WebSockets, and token streaming.
• Strong accessibility (a11y) practices and advanced English proficiency.

Required skills

• React
• Next.js
• TypeScript
• Python
• LLM systems
• LangSmith
• D3 / Recharts / Visx
• Design systems (Odyssey, Material, Carbon)
• WebSockets
• LangGraph API
• Token streaming
• Accessibility (a11y)

What we offer

• 100% remote work from anywhere.
• Opportunity to influence a fast‑moving AI product.