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, Portfolio of completed projects, Publications
Technologies
Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn, TensorFlow, PyTorch, LangChain, Vector Databases
Responsibilities
Design computational data science problems requiring non-trivial reasoning chains; Develop problems based on real business challenges like fraud detection and forecasting; Verify solutions using Python and statistical methods; Document problem statements with realistic business contexts.
Seniority
Senior, hands-on IC