3ive.ai
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https://www.3ive.ai A software engineer today has Claude Code and Cursor. A mechanical engineer designing the next jet engine? Still searching Excel sheets and asking whoever has been around longest. We're building the AI co-engineer for physical products - in production with major European manufacturers. Working at the intersection of 3D, reasoning, and long-horizon agents. Stack: Python, TypeScript, multi-agent orchestration, LLM integrations. Recent work includes a custom multi-agent SDK for durable long-horizon execution and a production pipeline wrapping a C++ CAD SDK. We are a small team and you own hard problems end-to-end. We offer a competitive salary + early equity. Full JD: https://www.notion.so/Founding-Staff-Engineer-31b21f51314080db9dd0e7a8491dfd8f If this sounds interesting, send your CV to hiring@3ive.ai and the answer to the following question: "What is the hardest technical problem you have owned end-to-end, what made it hard, and what did you learn?"