Senior Quantitative Analyst (Machine Learning & Model Validation)

Network Finance · Remote, wes kaap, South-Africa

Location
Remote
Job Type
Full-time
Posted
June 03, 2026

Job Description

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 You’ll Be Doing:

  • 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, Neural Networks)
    • Unsupervised learning (clustering, anomaly detection, isolation forests)
  • Manage the full model lifecycle:
    • Feature engineering and data preparation
    • Model training, evaluation, and selection
    • Deployment support and ongoing performance monitoring
  • Build, review, and challenge models in Python-based environments us...

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