Generative AI Engineer (Python, LangChain, RAG)

Description

Job Summary: We are seeking a Generative AI Engineer to design and develop advanced solutions using LLMs and agentic systems in cloud environments, participating in innovative projects. Key Highlights: 1. Participation in innovative generative AI projects. 2. Working with cutting-edge technologies in LLMs and agentic systems. 3. Integration into Grupo NS, a technology-specialized company. Location Madrid Salary 24,000 € \- 33,000 € Gross/year Category Information Technology and Telecommunications Subcategory Programming Sector Information Technology and Services Work Schedule Full-time Work Modality Hybrid Professional Level Employee Department Information Technology ### **Description** At **Grupo NS**, we are looking to hire a **Generative AI Engineer** with mid-level experience to participate in designing and developing advanced solutions based on large language models (LLMs) and agentic systems. The selected candidate will join a team focused on **building intelligent applications, data pipelines, and scalable architectures** in **cloud environments**, working with state-of-the-art technologies in **generative AI and intelligent automation**. ***Main Responsibilities:*** * Design, develop, and deploy generative AI-based applications. * Implement solutions using frameworks such as LangChain and LangGraph for orchestrating agents and complex workflows. * Build and integrate RAG (Retrieval\-Augmented Generation) pipelines to improve model accuracy and relevance. * Develop and integrate REST APIs to expose AI services. * Collaborate in defining scalable architectures in cloud environments (Azure or GCP). * Participate in process automation via CI/CD pipelines. * Containerize applications using Docker for reproducible and portable environments. * Evaluate and optimize the performance of models and agentic systems. *Professional Profile:* * Analytical mindset and problem-solving orientation. * Ability to work in agile environments. * Interest in emerging technologies in generative AI. * Strong communication and teamwork skills. ***We Offer:*** * Participation in innovative projects in the field of generative AI. * Work with cutting-edge technologies in LLMs and agentic systems. * Integration into Grupo NS, a company specialized in technology projects. * Competitive compensation based on experience. * Contract type: Permanent ### **Minimum Requirements** **Technical Requirements:** * 2–4 years of software development experience, preferably in AI, machine learning, or advanced backend projects. * Advanced Python. * Experience working with LangChain or similar frameworks. * Knowledge of LangGraph or similar tools for agent orchestration. * Experience developing and integrating REST APIs. * Experience with Docker. * Experience with CI/CD (GitLab CI, GitHub Actions, or others). * Experience in cloud environments (Azure or GCP). * Practical knowledge of RAG architectures. * Experience integrating large language models (LLMs) into applications. * Familiarity with agentic system design patterns. **Desirable Knowledge:** * Experience with vector databases (FAISS, Pinecone, Weaviate, etc.). * Knowledge of AI model observability and evaluation. * Experience in prompt engineering and model fine\-tuning. * Basic understanding of MLOps. ### **Competencies** * python * docker * CI/CD * azure * MLOPS * gcp * observability * GENERATIVE AI * LANGCHAIN * LANGGRAPH * rest api * LLMs * github actions * gitlab ci * RAG architecture * vector databases * prompt engineering * model fine\-tuning