Job Summary: We are seeking a senior LLM/ML engineer to enhance document extraction from insurance policies using large language models, with a focus on accuracy, evaluation, and workflow optimization. Key Highlights: 1. Improved accuracy in document extraction using LLM/ML 2. Creation of evaluation frameworks and workflow optimization with LangGraph 3. Work on document extraction using general AI **Description:** ---------------- Grupo NS is recruiting a senior LLM/ML engineer to improve our document extraction processes for insurance policies using large language models. You will work on improving extraction accuracy, building evaluation frameworks, and optimizing workflows based on LangGraph. Department: General AI Document Extraction. **Technical Requirements:** More than 4 years of experience with Python in production ML systems. More than 2 years of experience working with LLMs (GPT\-4, Claude, Gemini). Experience with LangChain/LangGraph or similar orchestration frameworks. Advanced level of English. **WORK MODE: Hybrid, with occasional attendance at the Barcelona offices (the candidate may reside anywhere in Spain, provided they can occasionally attend the Barcelona offices).** NS is a company that values both the technological professional profile of its employees and their interest and aptitude in developing new projects. Therefore, we seek individuals who are consistent, eager to evolve and learn. **Requirements:** --------------- More than 4 years of experience with Python in production ML systems. More than 2 years of experience working with LLMs (GPT\-4, Claude, Gemini). Experience with LangChain/LangGraph or similar orchestration frameworks. Advanced level of English. **WORK MODE:** **Hybrid, with occasional attendance at the Barcelona offices (the candidate may reside anywhere in Spain, provided they can occasionally attend the Barcelona offices).**