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Freelance Data Science Engineer Specializing in Python & SQL

toloka-aiRemote — Lyon, Auvergne-Rhône-Alpes, FranceNew
Remote Contract $58/hr - $58/hr

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Experience Level

Experience

Qualifications

Ideal Candidate Profile:This position suits data science specialists with substantial experience in Python, looking for part-time, non-permanent project work. Preferred qualifications include:5+ years of practical data science experience demonstrating proven business impact. A portfolio of completed projects and publications that illustrate real-world problem-solving abilities. Proficiency in Python for data science applications (Pandas, Numpy, Scipy, Scikit-learn, Statsmodels). Advanced skills in statistical analysis and machine learning, with a deep understanding of algorithms, methods, and their applications. Expertise in SQL and database operations for effective data manipulation and analysis. Familiarity with GenAI technologies (LLMs, RAG, prompt engineering, vector databases). Knowledge of MLOps practices and model deployment workflows. Experience with contemporary frameworks (TensorFlow, PyTorch, LangChain). Strong proficiency in written English (C1 or higher).

About the job

We invite you to submit your CV in English, along with your English language proficiency level.

Mindrift connects experts with project-based AI opportunities in collaboration with leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based role, not a permanent position.

Opportunity Overview:

Each project presents unique challenges, and contributors may be tasked to:

  • Craft innovative computational data science problems that mirror real-world analytical processes across various sectors, including telecom, finance, government, e-commerce, and healthcare.
  • Develop problems that necessitate Python programming for resolution, utilizing libraries such as Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, and Seaborn.
  • Ensure tasks are computationally demanding, requiring significant time frames for resolution (days to weeks).
  • Create problems that involve complex reasoning in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction.
  • Design deterministic problems with verifiable outcomes, avoiding stochastic elements or employing fixed random seeds for precise reproducibility.
  • Base scenarios on tangible business challenges, such as customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency.
  • Construct end-to-end problems that traverse the entire data science pipeline, from data ingestion and cleaning to exploratory data analysis, modeling, validation, and deployment considerations.
  • Incorporate big data processing challenges that require scalable computational solutions.
  • Validate solutions using Python with standard data science libraries and statistical methodologies.
  • Clearly document problem statements with realistic business contexts and provide verified correct solutions.

About toloka-ai

toloka-ai specializes in providing AI-driven solutions by connecting skilled professionals with innovative projects from leading tech companies. Our mission is to enhance AI systems through expert collaboration and project-based contributions.

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