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Lead Data Scientist

Tumaini Consulting


Job Location:

Johannesburg - South Africa

Monthly Salary: Not provided by the employer
Posted: 22 September 2026 (7 days ago)
Application Deadline: 20 December 2026
Vacancies: 1 Vacancy

Job Summary

Our client is seeking an accomplished Lead Data Scientist to provide senior technical leadership while remaining hands-on across data science machine learning analytics and AI-driven solutions. This is a key role for a data professional who can translate complex business challenges into actionable insights while helping shape the technical direction of the Data Science function.

Requirements:

  • 7 years experience across Data Science Data Analytics or Data Warehousing with substantial recent Data Science experience.
  • 2 years experience in a technical or engineering leadership capacity.
  • Strong production experience across machine learning statistical modelling and AI system design including model deployment monitoring and retraining.
  • Advanced Python skills with strong experience in Jupyter pandas NumPy and scikit-learn.
  • Experience with Delta Lake or comparable lakehouse architectures.
  • Strong PySpark and distributed data-processing experience.
  • Strong Azure Synapse Analytics Azure SQL T-SQL and/or ANSI SQL experience.
  • Strong Power BI and Python-based data visualisation experience.
  • Proven ability to mentor technical teams and communicate with senior stakeholders.
  • Excellent written and verbal English communication skills.
  • Bachelors degree in a STEM discipline or equivalent professional experience.

Should you meet the requirements for this position please email your updated CV attached to alternatively contact or visit our website . Correspondence will only be conducted with short listed candidates. Should you not hear from us within 3 days please consider your application unsuccessful.


Required Experience:

Senior IC