Anastasia M.

DATA SCIENTIST

147 dollar
Freelancer
2 ans
Moscow, RUSSIAN FEDERATION

Mon expérience

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VimpelComSeptember 2019 - June 2021

* Built a classification model for the company's new customers to detect fraudulent sales (7 days
after the sale)

* Built a classifier for identifying customer's device based on behavior and text message analysis

* Rebuilt and validated the classification model of customer satisfaction (internet services).
Predicted the probability of customer churn within one month after scoring.

* Mentored a new colleague (guided him to develop a classification model for potential spammers)

* Developed new features based on data mining insights

Mes compétences

SQL, Python, PyCharm, NumPy, Mainframe, Machine Learning, Hadoop, Data Mining