Senior AI Builder is open at EarnIn in Mountain View, US. The posting gives a salary of $228K - $279K. Posted on Jul 9, 2026, and still on EarnIn’s careers page when we last checked, on Nov 14, 2026.
About the role
Agents that take real actions. You'll design how agents think — prompts, reasoning chains, tool calls, and the full architecture beneath them. From MCP servers and agent scaffolding to context harnesses and a Skills Marketplace, you're building the layer every squad at EarnIn builds on. Not a proof of concept. Production infrastructure. A PDLC that doesn't look like 2022. The product development lifecycle is overdue…
The opening lines of the posting. The rest is on EarnIn’s careers page.
Hiring at EarnIn
EarnIn has 27 open roles right now, 2 of them remote. Most are in Engineering, Product and Design. The median advertised salary across its roles with a published range is $254K. See all its roles
