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I am an ambitious mathematician with strong analytical skills and a keen interest in artificial intelligence and applied mathematics. I enjoy turning complex data into actionable insights and building robust ML models using Python, R, and SQL. Currently I explore opportunities in data science and risk management, with hands-on experience in credit risk modeling, explainable AI, and model validation. I communicate results clearly and thrive in collaborative research environments.…I am an ambitious mathematician with strong analytical skills and a keen interest in artificial intelligence and applied mathematics. I enjoy turning complex data into actionable insights and building robust ML models using Python, R, and SQL. Currently I explore opportunities in data science and risk management, with hands-on experience in credit risk modeling, explainable AI, and model validation. I communicate results clearly and thrive in collaborative research environments.

Sakir Kepezkaya

Data Scientist, AI Engineer, Programmer, +2

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I am an ambitious mathematician with strong analytical skills and a keen interest in artificial intelligence and applied mathematics. I enjoy turning complex data into actionable insights and building robust ML models using Python, R, and SQL. Currently I explore opportunities in data science and risk management, with hands-on experience in credit risk modeling, explainable AI, and model validation. I communicate results clearly and thrive in collaborative research environments.…I am an ambitious mathematician with strong analytical skills and a keen interest in artificial intelligence and applied mathematics. I enjoy turning complex data into actionable insights and building robust ML models using Python, R, and SQL. Currently I explore opportunities in data science and risk management, with hands-on experience in credit risk modeling, explainable AI, and model validation. I communicate results clearly and thrive in collaborative research environments.

Available to hire

I am an ambitious mathematician with strong analytical skills and a keen interest in artificial intelligence and applied mathematics. I enjoy turning complex data into actionable insights and building robust ML models using Python, R, and SQL.

Currently I explore opportunities in data science and risk management, with hands-on experience in credit risk modeling, explainable AI, and model validation. I communicate results clearly and thrive in collaborative research environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

German

Fluent

English

Advanced

Turkish

Fluent

Work Experience

Student Assistant Research Project at HTW Berlin

October 1, 2024 - March 31, 2025

XAIFi - Explainable AI for the risk management of FinTechs: Development of an LSTM model to forecast business-relevant KPIs and analysis of model transparency using SHAP; dissemination of research results through publications and seminars.

Data Scientist at Deutsche Kreditbank (DKB)

September 1, 2023 - August 31, 2024

Parametrization and calibration of credit risk models, including collection and analysis of PDs, LGDs, correlations, and migration matrices; validation of rating systems; execution of quantitative analyses and statistical evaluations; support in annual maintenance tasks of PD models.

Data Scientist at KPMG AG

September 1, 2022 - August 31, 2023

Internship focusing on data extraction and cleaning using SQL and Power Query; piloting a new data analysis platform; testing and applying SQL-based ETL programs.