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Senior Data Scientist

NTT Data | johannesburg, South-Africa | Posted June 09, 2026

Position Overview

The Senior Data Scientist will lead the design, development, and deployment of advanced analytics and machine learning solutions that drive strategic decision-making and operational efficiency.

This role requires a deep understanding of data science, data engineering, and AI concepts, and will play a pivotal role in embedding intelligent automation and predictive modelling across the organisation.

Responsibilities

  • Build and implement machine learning models using structured and unstructured data to improve forecasting accuracy and enable proactive decision‑making.
  • Optimise model performance and scalability through hyperparameter tuning and algorithm selection to enhance efficiency and reduce computational costs.
  • Implement reproducible research practices by using version control, documentation, and testing to maintain model integrity and facilitate collaboration.
  • Monitor deployed models in production using performance m...

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