Requirements: English
Company: Cavendish Professionals
Region: Madrid , Community of Madrid
Our client is lookin for a remote Senior AI Engineer on a B2B contract - 40h/week Required Skills & Experience: 4 years in software engineering with 2 years focused on AI/LLM applications. Deep experience with Node.js in production-grade systems. Proficient in LangChain , LangGraph , or related agent orchestration frameworks. Hands-on with vector databases (e.g., Pinecone, Weaviate, Chroma) and semantic search techniques. Experience deploying AI agents in production. Strong understanding of prompt engineering , fine-tuning , API integrations , and retrieval pipelines . Familiarity with cloud platforms (e.g., AWS, Azure) and DevOps workflows is a plus. Excellent communication skills and a collaborative mindset. Preferred: Experience working on AI tools for creative/design applications. Familiarity with front-end frameworks (React, Next.js) to bridge AI and UI layers. Exposure to tools like OpenAI Assistants API, Anthropic Claude, or Google Gemini.