
Ahmet Sayan
@ahmetsayan
I turn financial and customer data into product, risk, and growth insights.
What I'm looking for
I'm currently in ING's International Talent Programme, analyzing customer and transaction data to evaluate product performance, behavior, and usage patterns.
I build SQL-based data pipelines, automated reports, and dashboards in IBM Cognos and Excel. I define and monitor KPIs for customer activity, card usage, transaction volume, and product adoption.
Previously in ING Credit Risk Control, I analyzed financial, credit risk, and customer datasets, supported risk-model development and validation using SAS and SQL, and delivered portfolio analyses and dashboards.
I've also applied Python, R, segmentation, feature engineering, Markowitz portfolio optimization, and predictive modeling to pension-fund behavior and transformer failure-risk projects. I'm selected for an international rotation in Customer Analytics and Insights at ING Spain in Madrid.
Experience
Work history, roles, and key accomplishments
Analyze customer and transaction data to evaluate product performance and customer behavior. Develop SQL-based data pipelines, automated reports, and dashboards using IBM Cognos and Excel.
Analyze financial, credit risk, and customer datasets to identify risk drivers and support decision-making. Support development and validation of risk models using statistical methods, SAS, and SQL.
Data Driven Decision Support System Project Engineer
Emeklilik Gozetim Merkezi
Sep 2024 - May 2025 (8 months)
Conducted behavioral analysis of BEFAS funds, applying segmentation to identify user groups and risk preferences. Applied Python and R for data preprocessing, feature engineering, and Markowitz portfolio optimization models.
Data Scientist
Enerjisa BASKENT
Jun 2024 - Jul 2024 (1 month)
Built predictive models to assess transformer failure risks using historical data, supporting preventive maintenance strategies. Developed dashboards and KPIs to monitor asset health and guide operational decisions.
Education
Degrees, certifications, and relevant coursework
Ihsan Dogramaci Bilkent University
B.S., Industrial Engineering
2021 - 2025
B.S. in Industrial Engineering with relevant coursework in machine learning, data analysis, business analytics, and data science.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Job categories
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