Lead Quantitative Analyst

wePlace

Full-time Other-General
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Location
johannesburg, johannesburg, South-Africa
Posted
July 04, 2026

Job Description

This is a Lead Machine Learning and Data Science Analyst to independently validate high‑impact models across credit risk, financial crime, and advanced analytics use cases.
This is a hands‑on technical role.

What You'll Be Doing
  • Leading the independent validation of machine learning models across:
    • Credit risk models
    • Propensity and behavioural models
    • Financial crime models (fraud and AML)
  • Applying advanced ML techniques, including:
    • Supervised learning (Random Forest, XGBoost, CatBoost, Neural Networks)
    • Unsupervised learning (clustering, isolation forests)
  • Managing model risk across the end‑to‑end model lifecycle, including:
    • Feature engineering and data preparation
    • Model training, evaluation, and selection
    • Production deployment and monitoring
  • Building and reviewing models in Python‑based environments