Position Summary: We are seeking a Python Development Architect with experience in LLM integration and RAG architectures to design and develop advanced AI solutions. Key Highlights: 1. REST API design and development in Python 2. LLM integration and orchestration (LlamaIndex, LangChain) 3. RAG architecture implementation We are One Team. We make it happen. We are Unstoppable. BABEL is a multinational technology consultancy specializing in applying its services and technological expertise to accelerate the digital transformation of its clients—large enterprises and public institutions. What is our strategic plan? We look toward the future! Our strategic plan “Hiperespacio 2029” promises an exciting journey full of opportunities for professional growth and development. Achieving €1,000 million in revenue is a challenge we are confident we will meet together—through collaboration and the talent of our people—writing yet another success story as one team. What are we looking for? We seek a Python Development Architect experienced in LLM and RAG architecture integration, capable of designing and developing advanced AI solutions within production environments. The candidate will participate in the technical definition, design, and implementation of integrations within strategic AI initiatives. Responsibilities* Design and development of REST APIs in Python. * Integration and orchestration of LLMs using frameworks such as LlamaIndex or LangChain. * Implementation of RAG (Retrieval-Augmented Generation) architectures. * Embedding management (Hugging Face or others). * Development of document ingestion and processing pipelines. * Integration with vector databases and graph databases. * Definition of technical architecture and software development best practices. Technology Stack* Python (advanced) * REST APIs * LLM Orchestration: LlamaIndex, LangChain * Embeddings: Hugging Face * Document loaders: PyPDF2, Airbyte, LlamaParse * Vector databases: ChromaDB * Graph databases: Neo4j Profile* Experience in architectural design and backend development in Python. * Practical knowledge of language model integration and RAG solutions. * Ability to structure scalable and maintainable AI solutions in production environments. #babel What do we offer? Babel, the great way to achieve success. Do you want to join an expanding, committed, and innovative team that makes history every day? At Babel, we support you on your path to success. We believe in people’s talent and aim to empower it by offering an outstanding work environment built on collaboration and solidarity. Working at Babel is much more than working at a company—it means joining a team united by a shared mission and a values-driven corporate model. Additionally,* We champion work-life flexibility. (Points-based vacation system, remote work, and schedule flexibility). * We invest in training our *Babelievers*. * We invest in your physical and emotional well-being. (Private health insurance / life insurance, personal trainer, and wellbeing program). * We invest in your free time (outdoor activities, sports tournaments, streaming platform subscription, e.g., Netflix). * You share in the company’s growth and are recognized for your contribution (Benefits Bonus). * We focus on working with cutting-edge technologies and innovative projects—but above all, we accompany digital transformation and bring technology closer to society. Are you ready to take on the challenge? We’re waiting for you!*In compliance with current data protection regulations, we inform you that the controller of your personal data is GRUPO BABEL (see list of companies in the privacy policy), and your data will be used to manage your current and future recruitment processes, as well as for other purposes described on our website. This processing is based on the candidate’s consent. The personal data collected will not be transferred to third parties except where expressly required by law. You may exercise your data protection rights by contacting * *data.protection@babelgroup.com**. Full information about our privacy policy is available on our website.*