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Data Scientist (Python & SQL) - Freelance AI Trainer

Mindrift
Location 📍 madrid, Spain
Posted 📅 June 06, 2026
Work Type ⏰ Full-time

Position Overview

Please submit your CV in English and indicate your level of English proficiency.
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not 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 engi...

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Job Details

Employment Type
Full-time
📊
Category
Informática y tecnología
🏠
Work Arrangement
On-site
📍
Location
madrid, Spain