Stone head

AI Web 3 Backend Engineer

  • $80k
  • ID: 4312
  • Posted: 12.11.25

Our client is seeking an AI Web3 Backend Engineer to design and build the AI Agent Marketplace. Ideal for backend engineers with Web3/DeFi experience who want to work on multi-agent workflows, secure on-chain execution, and cutting-edge AI-native protocols.

Looking for candidates based in Europe

Key Responsibilities

  • Key Responsibilities:

  • Lead backend architecture, development, and technical roadmap for AI agent marketplace.

  • Build and maintain multi-agent workflows and on-chain execution logic.

  • Integrate AI agents, DeFi protocols, and enforce secure deployment practices.

  • Collaborate with engineers and AI researchers to define AI-on-chain standards.

  • Manage cloud infrastructure, databases, and deployment pipelines.

    Requirements

  • Strong backend engineering experience in distributed systems.

  • Web3/DeFi experience: smart contracts (Solidity/Rust), DeFi protocol integrations, on-chain settlement logic.

  • Familiarity with multi-agent systems, MCP servers, A2A protocols, autonomous workflows.

  • Experience with Docker, Kubernetes, and secure enclaves.

  • Understanding of cryptography and verification systems (zk proofs, TLSNotary, EIP-1271).

  • Strong reasoning about security, decentralization, and performance trade-offs.

  • Bonus: AI-enhanced decision-making or RAG pipelines.

    Benefits

  • Build foundational infrastructure for the AI x Web3 ecosystem.

  • Work on cutting-edge multi-agent frameworks and verification systems.

  • Highly collaborative team of engineers, researchers, and builders.

    If this sounds like the opportunity for you, please apply here!

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