Generative AI Engineer (Python, LangChain, RAG)

Description

Job Summary: We are seeking a mid-level Generative AI Engineer to design and develop advanced solutions based on LLMs and agentic systems, building intelligent applications in cloud environments. Key Highlights: 1. Participation in innovative projects in the field of generative AI. 2. Working with cutting-edge technologies in LLMs and agentic systems. 3. Integration into Grupo NS, a company specialized in technology projects. Location Madrid Salary 24,000 € \- 33,000 € Gross/year Category Information Technology and Telecommunications Subcategory Programming Sector Services and Information Technology Working Hours Full-time Work Modality Hybrid Professional Level Employee Department Information Technology ### **Description** At **Grupo NS**, we are looking to hire a mid-level **Generative AI Engineer** to participate in the design and development of 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**. ***Key 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 on 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 with strong problem-solving orientation. * Ability to work in agile environments. * Interest in emerging technologies in generative AI. * Strong communication and teamwork skills. ***What We Offer:*** * Participation in innovative projects in the field of generative AI. * Working with cutting-edge technologies in LLMs and agentic systems. * Integration into Grupo NS, a company specialized in technology projects. * Competitive compensation commensurate with 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 fine\-tuning of models. * 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