● Built Next Best Offer recommendation model, increasing CR by 13% and revenue by 6%● Built PtB model for product increasing CR by four times● Built customer churn model reducing churn rate by 8%● Developed online and offline triggers on PySpark and Apache Kafka to support decision making

● Managed team of 17 data engineers and 8 data analysts and delivered analytical solutions to government ● Led team and built daily filled government data lake using Clickhouse and Pentaho DI (daily integrations with 45 government databases)● Led team and implemented 10 analytical solutions based on data lake at 6 ministries using Python, Power BI, Pentaho which optimized budgets of ministries by billions of tenge

● Managed team of 16 developers and automated business processes of financial and production planning with elements of scenario based analysis, AI and mathematical optimization● Automated the process of financial consolidation, decreasing processing time from 2 months to 5 minutes● Successfully implemented Planning System in Kazatomprom and 4 subsidiaries

● Built optimization model for uranium holes activation schedule that automated process of planning and optimized budget by 10%● Identified bottle necks in production process and optimized electricity budget● Improved the accuracy of forecasting uranium production by 20% using segmentation analysis and classification

● Built decision tree for fraud identification in customs● Built pilot of planning system