> Markdown version of [/jobs/ext/2184641-ai-engineer-junior-mid](https://www.wearedevelopers.com/jobs/ext/2184641-ai-engineer-junior-mid). 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). --- # AI Engineer (Junior / Mid) - **Company:** Tech - **Location:** Las Rozas de Madrid, Spain - **Contract:** Apprenticeship - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Azure, Computer Engineering, Python (Programming Language), Machine Learning, Tensorflow, Pytorch, Large Language Models, Prompt Engineering, Generative AI, Backend, Information Technology, Machine Learning Operations - **Published:** August 22, 2026 - **Apply:** https://www.studentjob.es/ofertas/8280597-ai-engineer-junior-mid/solicitudes/nueva ## About the Role Grado en Ingeniería Informática, Ciencias de la Computación, Matemáticas o similar. - Python sólido y fundamentos de Machine Learning. - Interés o experiencia demostrable en IA generativa: LLMs, RAG, sistemas agénticos, prompt engineering. - Mentalidad analítica, curiosidad técnica y ganas de aprender. - Stack tecnológico: Python como base; LangChain y LangGraph para orquestación de LLMs y sistemas agénticos; Claude (licencia corporativa) como modelo principal; Azure AI Foundry para despliegue y MLOps; TensorFlow y PyTorch para componentes de modelado propio. ## Description Diseñar y construir sistemas RAG end-to-end: ingesta, chunking, embeddings, indexación en vector DB, recuperación y reranking. - Desarrollar sistemas agénticos con LangGraph: orquestación de agentes, tool calling, memoria y flujos multi-paso. - Iterar sobre prompts y arquitecturas de razonamiento, con evaluación sistemática de calidad, coste y latencia. - Integrar y explotar LLMs vía API en aplicaciones y servicios backend. - Construir pipelines de datos y preparar datasets para fine-tuning y evaluación. - Apoyar tareas de ML/NLP clásico cuando el problema lo requiera (clasificación, embeddings, clustering). - Participar en experimentación y mejora continua de las soluciones en producción. ## Related Videos - [Photonic Computing: Programming a New Class of AI Accelerators (incl. Live Coding)](https://www.wearedevelopers.com/videos/100196-photonic-computing-programming-a-new-class-of-ai-accelerators-incl-live-coding) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Machine learning in the browser with TensorFlowjs](https://www.wearedevelopers.com/videos/155-machine-learning-in-the-browser-with-tensorflowjs) - [Introduction to Azure Machine Learning](https://www.wearedevelopers.com/videos/368-introduction-to-azure-machine-learning) - [Serverless deployment of (large) NLP models ](https://www.wearedevelopers.com/videos/158-serverless-deployment-of-large-nlp-models) - [Developer Experience, Platform Engineering and AI powered Apps](https://www.wearedevelopers.com/videos/990-developer-experience-platform-engineering-and-ai-powered-apps) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)