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Freelance Data Scientist (Python & SQL) - AI Trainer

Confidential company ยท Posted May 14, 2026

Public summary

This freelance opportunity connects experienced Data Scientists with project-based AI tasks involving design and solution of advanced data science problems using Python and SQL. Projects span multiple industries and cover the full data science pipeline from data ingestion to model deployment, requiring strong programming, statistical analysis, and machine learning skills. Candidates should have 5+ years experience, a strong portfolio, and proficiency in English.

Salary

USD 58.00 - 58.00 hour

Responsibilities

Design and create complex computational data science problems simulating real-world analytics workflows across various industries; develop reproducible and computationally intensive problems using Python and standard libraries; cover the full data science pipeline from data ingestion through to deployment considerations; incorporate big data processing scenarios; verify and document problem solutions with realistic business contexts.

Qualifications

5+ years hands-on data science experience with demonstrable business impact; expert proficiency in Python data science libraries (pandas, numpy, scipy, scikit-learn, statsmodels); advanced statistical analysis and machine learning knowledge; strong SQL and database skills; experience with GenAI technologies including large language models, prompt engineering, and vector databases; understanding of MLOps and model deployment workflows; familiarity with frameworks like TensorFlow, PyTorch, LangChain; strong written English skills (C1+).

Skills

Python SQL Pandas Numpy Scipy Scikit-learn Statsmodels Matplotlib Seaborn Statistical Analysis Machine Learning GenAI Technologies LLMs RAG Prompt Engineering Vector Databases MLOps TensorFlow PyTorch LangChain Data Science Model Deployment EDA Feature Engineering Predictive Modeling