Data Scientist – NLP & LLM (m/f/d) – Łódź, contract of employment. Prepares/curates datasets, anonymizes data, implements algorithms, runs experiments, builds evaluation pipelines, visualizes results, supports statistical validation, documents research. Requires BSc/MSc in CS/Data Science, Python, NLP libraries, pandas, PyTorch/TensorFlow, LLM experience, RAG, GDPR knowledge, data‑viz, research background, Polish & English.