Freelance Data Science Expert (Python & SQL) / AI Trainer

Master’s or PhD Degree in Data Science, Statistics, Mathematics, Computer Science, or related quantitative field At least 5 years of hands-on data science experience Proficient in python programming for data science (pandas, numpy, scipy, scikit-learn, statsmodels) Expert in statistical analysis and machine learning Proficient in SQL and database operations Experience with GenAI technologies (LLMs, RAG, prompt engineering, vector databases) Good understanding of MLOps practices and model deployment workflows Knowledge of modern frameworks (TensorFlow, PyTorch, LangChain) Advanced (C1) or above English level

Design original computational data science problems Create problems requiring Python programming Ensure problems are computationally intensive Develop problems requiring non-trivial reasoning chains Create deterministic problems with reproducible answers Base problems on real business challenges Design end-to-end problems spanning the data science pipeline Incorporate big data processing scenarios Verify solutions using Python Document problem statements clearly