aAI Web3 Backend Engineerwith deep expertise inDe Fi protocols

{ "@context": "http://schema.org", "@type": "JobPosting", "baseSalary" : { "@type": "MonetaryAmount", "currency": "EUR", "value": { "@type": "QuantitativeValue", "minValue": 30000, "maxValue": 50000.00, "value": 50000.00, "unitText": "YEAR" } }, "datePosted": "2026-04-01", "validThrough" : "2026-05-29", "description": "OverviewWe are looking for aAI Web3 Backend Engineerwith deep expertise inDe Fi protocols ,backend engineering , andagentic architectures. You will play a pivotal role in designing and building themarketplace of AI agents , enabling them to collaborate, execute multi-agent workflows, and securely manage funds on-chain. This role requires someone who is as comfortabledeploying large-scale backend systemsas they are with smart contract engineering and thenext-gen agent-to-agent (A2 A) protocolsthat power AI-native Web3 applications. ResponsibilitiesArchitect 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, A2 A protocols, and on-chain execution environments. Develop secure agent deployment principles (sandboxing, containerization, notarization). Implement De Fi trading strategies through on-chain agent logic and Web3 integrations. Collaborate with researchers, smart contract engineers, and AI experts to shape AI-on-chain standards. RequirementsBackend engineering expertise: strong experience in designing and deploying distributed systems. Agentic architectures: familiarity with multi-agent systems, MCP servers, A2 A protocol, and autonomous workflow orchestration. Solid knowledge of deployment architectures for agent-based systems (Docker, Kubernetes, enclaves, secure containerization). Familiarity with RAG pipelines or AI-enhanced decision-making. Web3 development background: smart contracts (Solidity/Rust), De Fi protocol integrations, on-chain settlement logic. Strong ability to reason about security, decentralization, and performance tradeoffs. What We OfferThe chance to build foundational infrastructure for the AI x Web3 ecosystem. Work on cutting-edge multi-agent frameworks and verification systems. A highly collaborative environment of engineers, researchers, and builders pushing the frontier. Remote-first culture with flexible collaboration.", "employmentType": "FULL_TIME", "industry": "Architecture & Construction", "jobLocation" : { "@type": "Place", "address": { "@type": "PostalAddress", "streetAddress": "Seville", "addressLocality": "Seville", "addressRegion": "Andalusia", "addressCountry": "ES", "postalCode": "n/a" } }, "salaryCurrency": "EUR", "title": "Ai web3 backend engineer - ai agent economy", "hiringOrganization" : { "@type" : "Organization", "name" : "DcentraLab" } }