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Freelance Data Science Engineer (Python & SQL)

MindriftRemote — Wisconsin, United StatesNew
Remote Contract $90/hr - $90/hr

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Experience Level

Experience

Qualifications

Qualifications:This role is ideal for data science professionals with extensive experience in Python who are interested in part-time, non-permanent engagements. Candidates should ideally possess:5+ years of practical data science experience demonstrating significant business impact. A portfolio showcasing completed projects and publications that exemplify real-world problem-solving capabilities. Advanced proficiency in Python for data science (including Pandas, NumPy, SciPy, Scikit-learn, Statsmodels). Expertise in statistical analysis and machine learning, with a deep understanding of algorithms, methodologies, and their practical applications. Strong SQL skills and experience in database operations for data manipulation and analysis. Familiarity with Generative AI technologies (including LLMs, RAG, prompt engineering, and vector databases). An understanding of MLOps practices and model deployment workflows. Knowledge of modern frameworks such as TensorFlow, PyTorch, and LangChain. Excellent written English skills (C1+ level).

About the job

We invite you to submit your resume in English, detailing your level of English proficiency.

At Mindrift, we connect skilled professionals with project-based opportunities in artificial intelligence for leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based engagement, not a permanent position.

Project Details:

While specific tasks may vary per project, contributors can expect to:

  • Develop original computational data science challenges that reflect real-world analytical processes across various sectors (telecommunications, finance, government, e-commerce, healthcare).
  • Craft problems that necessitate Python programming for resolution, utilizing libraries such as Pandas, NumPy, SciPy, Scikit-learn, Statsmodels, Matplotlib, and Seaborn.
  • Ensure that all problems are computationally intensive, requiring substantial timeframes (days or weeks) for resolution.
  • Design challenges that involve complex reasoning in data processing, statistical analysis, feature engineering, predictive modeling, and extraction of insights.
  • Create deterministic problems with reproducible outcomes, minimizing the use of stochastic elements or employing fixed random seeds for precise reproducibility.
  • Base project challenges on genuine business issues such as customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency.
  • Architect end-to-end problems that encompass the entire data science workflow (from data ingestion to cleaning, exploratory data analysis, modeling, validation, and deployment considerations).
  • Integrate big data processing scenarios that require scalable computational methodologies.
  • Validate solutions using Python and standard data science libraries alongside statistical techniques.
  • Clearly document problem statements with realistic business contexts, providing verified correct answers.

Qualifications:
This role is ideal for data science professionals with extensive experience in Python who are interested in part-time, non-permanent engagements. Candidates should ideally possess:

  • 5+ years of practical data science experience demonstrating significant business impact.
  • A portfolio showcasing completed projects and publications that exemplify real-world problem-solving capabilities.
  • Advanced proficiency in Python for data science (including Pandas, NumPy, SciPy, Scikit-learn, Statsmodels).
  • Expertise in statistical analysis and machine learning, with a deep understanding of algorithms, methodologies, and their practical applications.
  • Strong SQL skills and experience in database operations for data manipulation and analysis.
  • Familiarity with Generative AI technologies (including LLMs, RAG, prompt engineering, and vector databases).
  • An understanding of MLOps practices and model deployment workflows.
  • Knowledge of modern frameworks such as TensorFlow, PyTorch, and LangChain.
  • Excellent written English skills (C1+ level).

How to Apply:

Submit your application, pass the qualifications, join a project, complete assigned tasks, and receive payment.

About Mindrift

Mindrift specializes in connecting talented professionals with project-based AI opportunities across leading technology firms, focusing on the continuous improvement and validation of AI systems.

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