Berkay Şahin
Data Scientists
Bursa
Summary
Analytical Junior Data Scientist with a strong mathematical foundation from 3 years of Physics studies and specialized expertise in Advanced Data Analytics. Bilingual professional (English/Turkish) with a proven track record in building predictive models and managing large-scale data annotation. Expert at transforming raw data into strategic insights using Python, SQL, and Machine Learning.
Overview
1
1
year of professional experience
Work History
Data Annotator
Appen
06.2022 - 12.2022
- Categorized and labeled complex datasets for machine learning model training, maintaining high precision and consistency.
- Partnered with data scientists to refine data quality standards, reducing noise in the training pipeline.
Education
Data Analytics
Google Advanced Data Analytics Professional Certificate
01-2026
Data Analytics
Google Data Analytics Professional Certificate
06-2023
Undergraduate - Physics
Undergraduate Coursework in Physics (Completed 3 Years)
Bolu, Turkey 04.2001 -
Skills
Category
Skills & Technologies
Quantitative Analysis
Time-Series Forecasting, Stochastic Modeling, Monte Carlo Simulations, Probability
Machine Learning
Predictive Modeling (Risk & Churn), Multiple Linear Regression, Classification Models
Programming
Python (Pandas, NumPy, Scikit-Learn, Statsmodels), SQL (Advanced Queries), R
Financial Analysis
Hypothesis Testing, Trend Analysis, Portfolio Optimization, Data Integrity
Visualization
Tableau (Executive Dashboards), Matplotlib, Seaborn, Power BI
Workflow
GitHub/Git, Jupyter Notebooks, Excel (Advanced/VBA), Data Annotation
Timeline
Data Annotator
Appen
06.2022 - 12.2022
Undergraduate - Physics
Undergraduate Coursework in Physics (Completed 3 Years)
04.2001 -
Data Analytics
Google Advanced Data Analytics Professional Certificate
Data Analytics
Google Data Analytics Professional Certificate