Melike Kahya
Angestellt, Data Scientist, Shopify
Munich, Deutschland
Werdegang
Berufserfahrung von Melike Kahya
Working on improving the 'Shop Promise' badge by building required data models, dash- boards and experiments. The badge enables merchants to build trust with customers and increase conversion.
Worked on churn prediction, Fraud Prediction projects end-to-end including target creation, feature engineering, model development, and deployment using tree-based and deep-learning methodologies.
- Clustering customers based on total and product-based profitability - Credit risk scorecard development in an agile environment - Incorporation of external data at the new predictive models - Developing binary classification / continuous prediction models upon need - Daily usage of Python and SQL
10 Monate, Feb. 2018 - Nov. 2018
Data Scientist
Organon Analytics
-Call Center Project: Clustered incoming calls to a call center via tf - idf technique, based on the screen codes data of each call. This enabled to analyze incoming call easily and identify contact purposes of customers -Credit Risk Scorecard: Renewed the existing risk scorecard model of a bank, which included feature extraction, target preparation and building the binary classification model -Cybersecurity: Utilized time series modeling to detect anomalies at network log data
2 Jahre und 1 Monat, Feb. 2016 - Feb. 2018
Marketing Data Scientist and Optimization Specialist
Yapı Kredi Bankası
- Loan Pricing: Derived price sensitivity curves for different customer groups from past data and built an optimization model that takes sensitivity, risk, propensity levels as input and maximizes profit by personalizing prices - Asset estimation: Developed a heuristic approach for estimating total cash asset of customers in the sector
2 Jahre und 5 Monate, Okt. 2013 - Feb. 2016
Research and Teaching Assistant
Çankaya Üniversitesi
- Provided teaching support to the faculty in Engineering Statistics, Cost Analysis, Work- Study - As a research project scholar, developed a mathematical model to minimize transportation time of humanitarian relief from supply points to disaster areas with limited vehicle and supply capacity
Ausbildung von Melike Kahya
2 Jahre und 4 Monate, Sep. 2013 - Dez. 2015
Industrial Engineering and Operations Research
Middle East Technical University
Facility Location Problems, Metaheuristic algorithms
4 Jahre und 10 Monate, Sep. 2008 - Juni 2013
Industrial Engineering and Operations Research
Middle East Technical University
Operations Research, Data Mining, Binary and Continuous Prediction Models, Energy Production Estimation
Sprachen
Englisch
Fließend
Türkisch
Muttersprache
Deutsch
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