Senior Data Scientist - AI Training Data (Remote Contract)

Bespoke Labs; South Africa; Remote; ZAR 1,214,000 - 2,266,000; Full time

Job summary

A leading AI research organization is seeking a high-impact Senior Data Scientist for a 2-4 months contract. This remote role requires deep expertise in machine learning and applied statistics to curate datasets for AI model training. Candidates should have at least 6 years of experience in data science, a strong background in applied statistics, and proven production ownership of models. The position involves algorithm design, hands-on coding, and developing assessment metrics for data quality.

Qualifications

• 6+ years as a Data Scientist or Applied Scientist.
• Proven ownership of models in production.
• Strong background in applied statistics.

Responsibilities

• Design and implement custom statistical models.
• Write scalable PySpark and Python code.
• Develop custom quantitative metrics and benchmarks.
• Run validation cycles and refine data-curation logic.
• Ensure final training inputs meet ML standards.

Skills

Python (NumPy, Pandas, Scikit-learn, PyTorch / TensorFlow)

Apache Spark (PySpark or Spark SQL)

Applied Statistics

Feature Engineering

SQL

Job description

A leading AI research organization is seeking a high-impact Senior Data Scientist for a 2-4 months contract. This remote role requires deep expertise in machine learning and applied statistics to curate datasets for AI model training. Candidates should have at least 6 years of experience in data science, a strong background in applied statistics, and proven production ownership of models. The position involves algorithm design, hands-on coding, and developing assessment metrics for data quality.