Mathematical Modelling Expert

4 days ago


Johannesburg, Gauteng, South Africa Experian Full time

As a Mathematical Modelling Expert, you'll join our model building team in developing advanced logistic regression and machine learning models. These models combine bureau data and client-specific information to predict outcomes like probability to default, collection performance, behavior, early warning risk categorization, income predictors, and fraud detection.

Your responsibilities will include preparing complex data for model building, developing models using Paragon Modeller/SAS and Python, and presenting these models to stakeholders. This role also involves leading analytics project delivery and providing project management to develop descriptive solutions that benefit clients and their customers.

You'll work with our team to build scorecard models, test bureau models on different portfolios, calibrate models to recent populations, bad definitions, or portfolios, validate internal and external models, review existing modelling processes, align team objectives with Experian's model building strategy, and ensure process documentation is up-to-date and interpretable by both internal and external stakeholders.

We require a degree in mathematics, statistics, economics, business mathematics, engineering, actuarial science, scoring specialist, or data science for this position. At Experian, we strive to create an inclusive environment where everyone feels valued and empowered to contribute.



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