AI agents you can rely on. Backed by Y Combinator and Felicis.
About the role
You'll write and ship full-stack features end to end, from the agent runtime and backend APIs, to the web and desktop UI that users interact with every day. We're still ~20 people and shipping to our first paying users. You won't just be building features, you'll be making the decisions that determine whether this system holds at 1000x the current load.
What they're looking for
- You've worked with Cloudflare Workers, Durable Objects, or serverless compute at the edge
- You've built agent systems, model routing layers, or tool-use architectures with LLMs
- You've been a founder or early-stage engineer and care deeply about product
More about this role
This is a full-time, in-person role based in San Francisco (Presidio) - we work from the office 5 days a week .
You must be based in the Bay Area or willing to relocate before starting .
We require US work authorisation , but are open to O-1 or J-1 visa sponsorship for exceptional candidates.
Every tool you use was built as an island, so you became the glue between them: a name from Gmail into the CRM, a time from the CRM into Calendly, a note from Calendly into a doc. AI showed up and mostly became an eleventh window to paste into.
Sauna is a hybrid of AI and software standing on one shared brain. It holds your context and hands you real software built on top of it, so an ordinary Calendly becomes one that writes the invite itself and knows which of your busy hours bend, and for whom. Software for the path you repeat, AI for the edge that never repeats.
Wordware is the team behind it, 15 people backed by Spark Capital, Felicis, and Y Combinator with a $30M seed, the largest in YC's history. We build from an office in the Presidio, fifty metres from Crissy Field beach, and we work absurdly hard because we can see and feel the outcome every day.
You'll write and ship full-stack...
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