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I'm Yerzhigit Ussunov, a ML engineer focused on fintech and risk analytics. I design and deploy PD/LGD models using XGBoost, CatBoost, and OLS, delivering business-focused insights. I automate end-to-end model pipelines with Python, SQL, and Hadoop, and I work with MLflow, DVC, Airflow, and Docker to ship reliable data products while aligning analytics with business goals.…

Yerzhigit Ussunov

Data Scientist, Data Analyst, Programmer, +2

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I'm Yerzhigit Ussunov, a ML engineer focused on fintech and risk analytics. I design and deploy PD/LGD models using XGBoost, CatBoost, and OLS, delivering business-focused insights. I automate end-to-end model pipelines with Python, SQL, and Hadoop, and I work with MLflow, DVC, Airflow, and Docker to ship reliable data products while aligning analytics with business goals.…

Available to hire

I’m Yerzhigit Ussunov, a ML engineer focused on fintech and risk analytics. I design and deploy PD/LGD models using XGBoost, CatBoost, and OLS, delivering business-focused insights.

I automate end-to-end model pipelines with Python, SQL, and Hadoop, and I work with MLflow, DVC, Airflow, and Docker to ship reliable data products while aligning analytics with business goals.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

Russian

Fluent

English

Advanced

Work Experience

Freelancer at Self-employed

June 1, 2025 - Present

Designing and developing PostgreSQL databases with data normalization and cleaning; Writing Python scripts for automated report generation.

Senior Risk Analyst at Home Credit Bank Kazakhstan

January 1, 2025 - June 1, 2025

Developed and optimized PD and anti-phishing models with XGBoost and CatBoost, improving Gini by 8–12%. Automated feature pipelines and predictions using Python, SQL, and Hadoop. Conducted a time series forecast of macro factors for a 30-day risk assessment.

System Analyst / Python Developer at Central Securities Depository

January 1, 2023 - October 1, 2024

Designed API structure, collected business requirements, and supported testing. Built a Python prototype for the income distribution on Flask, later migrated to Java stack. Assisted in incident resolution through SQL log analysis and backend diagnostics.

Chief Modeling Specialist at Eurasian Bank

June 1, 2022 - December 1, 2022

Automated PD/LGD calculations with Python, reducing time from hours to minutes. Built OLS-based macromodels for state audit compliance with automated feature and lag search.

Intern, Banking Analytics Department at Agency for Regulation and Development of Financial Market

January 1, 2022 - March 1, 2022

Estimated borrower provisions and performed scenario-based stress testing with Plotly visualizations.

IT Manager at Al-Saqr Finance

November 1, 2019 - September 1, 2020

Administrated Linux/Windows servers, SIP telephony, VPN, NAS, and server restoration. Developed Python scripts for employee attendance tracking.