AI Backend Engineer

DcentraLab
Barcelona, Spain
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English

Job location

Barcelona, Spain

Tech stack

Artificial Intelligence
Algorithmic Trading
Distributed Systems
Python
Blockchain
WebRTC
Workflow Management Systems
Multi-Agent Systems
Software Security
Backend
Event Driven Architecture
Kubernetes
Kafka
Web3.js
Virtual Agents
REST
Docker

Job description

We are looking for a Backend Engineer, AI Agents with strong expertise in Python, distributed backend systems, and autonomous agent infrastructure. You will play a key role in building the AI Agent runtime, enabling AI agents to collaborate, execute workflows, interact with tools, and operate securely at scale. This role is focused on AI agents infrastructure and orchestration systems., * Architect and build the backend infrastructure powering the AI Agent runtime.

  • Develop and maintain multi-agent orchestration systems and autonomous workflows.

  • Build infrastructure for agent runtimes, tool execution, memory systems, and task coordination.

  • Integrate MCP servers, tools, skills, and external execution environments.

  • Design secure deployment architectures for AI agents, including sandboxing and containerized runtimes.

  • Build scalable APIs, queues, event-driven systems, and real-time communication layers.

  • Collaborate with AI engineers and infrastructure teams to shape next-generation autonomous systems.

Requirements

  • Strong backend engineering experience with Python.

  • Experience building AI agents, autonomous workflows, orchestration systems, or multi-agent architectures.

  • Familiarity with agent runtimes such as OpenClaw, Hermes, or similar frameworks is a strong advantage.

  • Solid understanding of distributed systems, Docker, Kubernetes, and secure deployment architectures.

  • Experience with MCP servers, tool calling systems, RAG pipelines, or AI-enhanced execution frameworks.

  • Strong understanding of security, isolation, scalability, and performance tradeoffs in autonomous systems.

  • Experience designing backend systems for task execution, workflow orchestration, or event-driven architectures.

Preferred Qualifications

  • Web3 development experience, including blockchain integrations, wallets, smart contracts, or DeFi protocols.

  • Experience with on-chain trading systems or autonomous execution agents.

  • Familiarity with Safe wallets, EIP-712 signing, or account abstraction.

  • Experience deploying isolated agent environments or sandboxed runtimes.

  • Understanding of Kafka, NATS, or large-scale real-time infrastructure.

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