Live opening · Posted 5 days ago

Senior Product Engineer

Fairyx | Hiring for Venture-Backed Startups · San Francisco Bay Area (On-site)
Linkedin No
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At a glance

The key details from the original listing.

Posted 5 days ago
CompanyFairyx | Hiring for Venture-Backed Startups
LocationSan Francisco Bay Area (On-site)
Work modeNo
SourceLinkedin
Listed5 days ago

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About the role

Description supplied by the original job listing.

𝗦𝗲𝗻𝗶𝗼𝗿 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 — 𝗪𝗼𝗿𝗱𝘄𝗮𝗿𝗲 (𝗦𝗮𝗻 𝗙𝗿𝗮𝗻𝗰𝗶𝘀𝗰𝗼, 𝗢𝗻-𝘀𝗶𝘁𝗲)
Wordware (https://www.wordware.ai/) is a YC-backed AI lab that raised the largest seed round in YC history ($30M) and had the #1 Product Hunt launch of all time. It's backed by Paul Graham, Mathilde Collin, Swyx and others. Their product, Sauna, is an AI assistant that does the work instead of just answering questions. It connects to Gmail, Slack, Linear, Notion and thousands of other tools, and runs 24/7 in the cloud. The team is about 20 people in SF. They're looking for a frontend-leaning product engineer to own the product surface end to end.
📌 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂'𝗹𝗹 𝗼𝘄𝗻
▫️ Delegation UX — handing work to the assistant, following progress, interrupting, approving, undoing
▫️ Memory made visible — where users see, correct, and sharpen what the assistant has learned
▫️ Routines & apps — user-requested software with its own backend, data, and URL
▫️ Real-time multiplayer — shared threads where several people and one assistant work together
▫️ One assistant, every surface — web, iOS, iMessage, Slack, email, Superhuman
▫️ Performance + growth funnel — a local-first client that opens instantly on a 10k-message history, and the path from landing page to trial to paying team
✅ 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗯𝗿𝗶𝗻𝗴 (startup background is must)
▫️ Shipped and owned complex web products — multiplayer, large-data, streaming/realtime UIs
▫️ Deep React — state management, re-renders, components others want to reuse
▫️ Full-stack feature ownership — migration, route, fetch, UI, analytics
▫️ Strong on performance — caching, invalidation, optimistic updates
▫️ Product taste and craft — loading/empty states, error copy, keyboard shortcuts
▫️ Heavy AI user in your own workflow, with opinions on where it helps
▫️ Autonomous and low-ego — ships before the spec exists
🛠 𝗦𝘁𝗮𝗰𝗸: TypeScript, React, TanStack, Zustand, Tailwind, IndexedDB, Cloudflare Workers/Durable Objects, Postgres (Neon)
📍 𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻: San Francisco, CA, US (On-site, 5 days/week; Bay Area or relocation)
📎 𝗟𝗲𝘃𝗲𝗹: Mid-Senior | Full-time
💰 𝗖𝗼𝗺𝗽𝗲𝗻𝘀𝗮𝘁𝗶𝗼𝗻: $180k–$240k + early-stage equity
🌎 US work authorization required (O-1/J-1 sponsorship possible for exceptional candidates)
⚡ Apply here or via the link: https://lnkd.in/e7Czy5mv

Work arrangement
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