AI Web3 Backend Engineer – AI Agent Economy
barcelona, cataluña, Spain • Posted June 08, 2026
Job Type:
Full-time
Location:
barcelona, cataluña
Posted:
June 08, 2026
Category:
Informática y tecnología
Application Deadline:
July 18, 2026
Role Description
Overview
We are looking for a AI Web3 Backend Engineer with deep expertise in DeFi protocols , backend engineering , and agentic architectures . You will play a pivotal role in designing and building the marketplace of AI agents , enabling them to collaborate, execute multi-agent workflows, and securely manage funds on-chain. This role requires someone who is as comfortable deploying large-scale backend systems as they are with smart contract engineering and the next-gen agent-to-agent (A2A) protocols that power AI-native Web3 applications.
Responsibilities
- Architect and implement the Traia.io AI Agent Marketplace backend and deployment infrastructure.
- Build and maintain multi-agent workflows: utility agents, solver agents, settlement agents, etc.
- Integrate MCP servers, A2A protocols, and on-chain execution environments.
- Develop secure agent deployment principles (sandboxi...
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