AI Engineer (Agents, Web3)

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Description

Tags: Web3 Jobs • Blockchain Developer Jobs • Blockchain Ai Jobs • Cryptocurrency Web3 Jobs • Web3 Remote Jobs • Web3 Full Time Jobs Saifuro checks payments that AI agents try to make. An agent asks to spend, we compare the request with a mandate a human approved earlier, and the answer comes back signed so the receiving side can verify it. There's escrow on Base and Solana for trades between agents, and settlement is in USDC, onchain. We never hold customer funds. The docs are public at docs.saifuro.com, and the people who use them are developers building agents and the teams selling APIs to those agents. Our customers build agents on whatever framework suits them, or on a loop of their own, and more of those agents now reach their tools over MCP. Before any of them spends money, it should check with Saifuro. Your job is to make that a few lines of code on any stack. Call it AI agent engineer, LLM engineer or applied AI engineer if you prefer. You work directly with our CTO. What you'd be doing • Framework integrations. Packages for the OpenAI Agents SDK, LangChain and the Vercel AI SDK. The first versions ship before the end of 2026, and they're yours from there, along with whichever framework our customers pick up next. • The MCP server. An agent that finds its tools over MCP should find Saifuro there too, with a payment check any MCP client can call. • Evals. Tests that an agent stops when a payment is denied, asks a person when the mandate says to, and doesn&

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