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Senior Quantitative Analyst (Machine Learning & Model Validation)

Network Recruitment | stellenbosch, South-Africa | Posted May 25, 2026

Position Overview

This is a senior, hands-on technical role focused on the independent validation of high-impact machine learning models across credit risk, financial crime, and advanced behavioural analytics.

You will operate in a highly collaborative environment where analytics is deeply embedded into decision-making and where models are expected to be robust, scalable, and production-ready.

What Youll Be Doing:
In this role, you will take ownership of advanced model validation and quantitative risk analysis:
  • Independently validate machine learning models across:
    • Credit risk modelling
    • Customer propensity and behavioural modelling
    • Fraud detection and AML (financial crime) models
  • Apply advanced machine learning techniques, including:
    • Supervised learning (XGBoost, CatBoost, Random Forest, and Neural Networks)
    • Unsupervised learning (clustering, anomaly detection...

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