Freelance Data Science Engineer (Python & SQL)
Core
Designing original, computationally intensive data science problems that simulate real-world analytical workflows for leading tech companies.
Role type
Freelance Data Science Engineer (Problem Design)
Builds
Deterministic data science problems with reproducible answers spanning the complete data science pipeline.
Domain
Data Science / AI Systems Evaluation
Deliverable
production ML models
Required skills
Python (pandas, numpy, scipy, scikit-learn, statsmodels), SQL, Statistical Analysis, Machine Learning, Feature Engineering, Predictive Modeling, Big Data Processing, MLOps, GenAI (LLMs, RAG, prompt engineering, vector databases)
Preferred skills
TensorFlow, PyTorch, LangChain
Responsibilities
Design computational data science problems based on real business challenges; Ensure problems require non-trivial reasoning chains and scalable approaches; Verify solutions using standard data science libraries; Document problem statements with realistic business contexts and verified correct answers.
