Remote Senior AI Engineer — LLMs, APIs & Orchestration

Cavendish Professionals; Madrid; On-site; EUR 70,000 - 120,000; Full time

Job description

We are looking for fully-remote Senior AI Engineers to join our client's projects

Key Responsibilities

• Design and develop AI-powered applications using LLMs (OpenAI, Anthropic, open-source models, etc.)
• Build and maintain backend services using Python and FastAPI
• Integrate AI workflows using frameworks like LangChain or LangGraph
• Design and implement APIs for AI services and application logic
• Work with PostgreSQL or other relational databases for data storage and retrieval
• Build and manage prompt pipelines, agents, and orchestration workflows
• Integrate with or develop MCP (Model Context Protocol) servers where applicable
• Optimize performance, scalability, and reliability of AI systems
• Collaborate with product, design, and engineering teams to deliver end-to-end solutions
• Stay current with evolving AI/LLM tools, frameworks, and best practices