> Markdown version of [/jobs/ext/3771823-artificial-intelligence-engineer](https://www.wearedevelopers.com/jobs/ext/3771823-artificial-intelligence-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Artificial Intelligence Engineer - **Company:** Coltech - **Location:** Spain (Remote available) - **Contract:** Permanent contract - **Skills:** LangGraph Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Retrieval-Augmented Generation, Large Language Models, Llamaindex, Generative AI, Agentic-AI, Kubernetes, Enterprise Integration, Machine Learning Operations, Docker - **Published:** October 16, 2026 - **Apply:** https://www.jobleads.com/es/job/artificial-intelligence-engineer--spain--e0bb0726ce4e35669fa90db8f53ad2723 ## About the Role * Strong commercial experience as an AI/ML Engineer * Experience building and deploying LLM / Generative AI applications * RAG, embeddings and vector databases * Experience with AI agents / Agentic AI * Familiarity with frameworks such as LangChain, LangGraph or LlamaIndex * Strong understanding of ML/LLM deployment and MLOps * Experience with AWS, Azure or GCP * Docker / Kubernetes experience beneficial * Strong API and backend integration experience * FinTech, banking, payments or other regulated-industry experience is highly desirable We're particularly interested in engineers who can go beyond experimentation and have experience taking AI solutions from prototype through to scalable production environments. ## Description Senior AI Engineer | FinTech | Fully Remote EU | Up to €100/hour I'm currently partnering with a fast-growing FinTech looking for an experienced Senior AI Engineer to join them on a long-term contract. Location: Fully Remote - Europe You'll be working on the design and delivery of production-grade AI solutions, helping integrate advanced AI capabilities into core products and business processes. What we're looking for: * Strong commercial experience as an AI/ML Engineer * Experience building and deploying LLM / Generative AI applications * RAG, embeddings and vector databases * Experience with AI agents / Agentic AI * Familiarity with frameworks such as LangChain, LangGraph or LlamaIndex * Strong understanding of ML/LLM deployment and MLOps * Experience with AWS, Azure or GCP * Docker / Kubernetes experience beneficial * Strong API and backend integration experience * FinTech, banking, payments or other regulated-industry experience is highly desirable We're particularly interested in engineers who can go beyond experimentation and have experience taking AI solutions from prototype through to scalable production environments.