Freelance Data Science Engineer (Python & SQL)

Mindrift • barcelona, cataluña, Spain • Posted June 04, 2026

Location barcelona, cataluña
Job Type Full-time
Category Otros
Posted June 04, 2026

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. This is a project-based role, not a permanent employment.

What This Opportunity Involves

While each project involves unique tasks, contributors may:

  • Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare)
  • Create problems requiring Python programming to solve (using Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn)
  • Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks)
  • Develop problems requiring non-trivial reasoning chains in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction
  • Create deterministic problems with reproduc...

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