Ihor Bobak 

Highly skilled Data Scientist and ML Engineer with 9 years of experience in data science and machine learning, including the last four years in gaming and ad tech. Experienced in executing the full lifecycle of ML solution development - from system design to deploying scalable models in production for backend and mobile environments. Proficient in ML/DL model development, data preparation, exploratory analysis and feature engineering.

Proven track record of driving profitability. Successfully partnering with cross-functional teams from concept through implementation.

Experienced working with datasets containing hundreds of billions of rows using both Big Data, RDBMS and NoSQL. Strong analytical skills: deriving insights, building BI and reporting solutions. Able to translate business requirements into technical specifications.

Expert in Python, SQL, Apache Spark (open-source/Databricks), Java, .NET/C#, and cloud platforms (AWS, Azure). Skilled with major ML libraries, including NumPy, Pandas, Scikit-Learn, PyTorch, CatBoost, XGBoost, and LightGBM. Strong understanding of algorithms and data structures.