Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift | DEU | Rezi

Data Scientist (Python & SQL) - Freelance AI Trainer at Mindrift

Data Scientist (Python & SQL) - Freelance AI Trainer

Mindrift · DEU

1 months ago

Data Scientist (Python & SQL) - Freelance AI Trainer

Mindrift · DEU

a month ago
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About the Role

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 opportunity rather than permanent employment.

Responsibilities

  • Design original computational data science problems simulating real-world analytical workflows
  • Create problems requiring Python programming using standard data science libraries
  • Ensure problems are computationally intensive and require non-trivial reasoning chains
  • Develop deterministic problems with reproducible answers
  • Base problems on real business challenges such as fraud detection, forecasting, and optimization
  • Design end-to-end problems spanning the complete data science pipeline
  • Incorporate big data processing scenarios requiring scalable computational approaches
  • Verify solutions using Python and statistical methods
  • Document problem statements clearly with realistic business contexts and provide verified answers

Requirements

  • Submit CV in English
  • Indicate level of English proficiency
  • 5+ years of hands-on data science experience with proven business impact
  • Portfolio of completed projects and publications
  • Expert Python programming for data science
  • Expert statistical analysis and machine learning knowledge
  • Expert with SQL and database operations
  • Experience with GenAI technologies including LLMs, RAG, and vector databases
  • Understanding of MLOps practices and model deployment
  • Knowledge of modern frameworks like TensorFlow, PyTorch, and LangChain
  • Strong written English proficiency at C1 level or higher

Skills

  • Python
  • Pandas
  • Numpy
  • Scipy
  • Scikit-learn
  • Statsmodels
  • Matplotlib
  • Seaborn
  • SQL
  • GenAI
  • LLMs
  • RAG
  • Prompt engineering
  • Vector databases
  • MLOps
  • TensorFlow
  • PyTorch
  • LangChain

Work Type

  • Project-based
  • Part-time
  • Non-permanent

Experience Level

  • 5+ years

Salary/Compensations

  • Up to $58 per hour

About the Company

  • Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.