Arnur Oglanbek

@Arnur

Data Scientist

Experience in Big4, currently validate scoring models. Interests in Supervised learning, boosting models, XGBoost, LightGBM, Catboost(but not limited with them)!

Career

Experience

Credit Risk Modeling

Ernst & Young

Jan 2024 — Feb 2026

Developed Liner Regression, Decision Tree, Logistic Regression models for Credit Risk indicators suchs Probability of Default, Loss given Default

Model Validation

Freedom Bank

Feb 2026 — Present

Validation of Catboost, LightGBM boosting models for scoring and regression tasks

Education

BSc Mathematics

Nazarbayev University

2018 — 2022

Master's of Science in Finance

Nazarbayev University

2022 — 2023

Applied Data Analytics