- Engineered and deployed a credit scoring model for a major bank, resulting in USD 1.9 billion in profit and a 5.7-point increase in the Gini coefficient, boosting risk assessment and profitability.- Created an automated system that streamlined data preprocessing steps for large datasets exceeding 500k records weekly; minimized manual intervention and increased accuracy rates in subsequent forecasts.- Designed a RAG system and GenAI assistant for a Marketplace HR department, optimizing… Show more - Engineered and deployed a credit scoring model for a major bank, resulting in USD 1.9 billion in profit and a 5.7-point increase in the Gini coefficient, boosting risk assessment and profitability.- Created an automated system that streamlined data preprocessing steps for large datasets exceeding 500k records weekly; minimized manual intervention and increased accuracy rates in subsequent forecasts.- Designed a RAG system and GenAI assistant for a Marketplace HR department, optimizing communication time by 47% while maintaining employee satisfaction.- Executed 24 pre-sales engagements for external clients- Spearheaded the organization of 4 technical conferences, engaging a total of 800 attendees.- Mentored and coached 2 engineers to achieve senior roles in Computer Science and Data Science.- Launched and analyzed an A/B test on a $560 million marketplace, identifying a 2% increase in conversion rate for the winning variant.- Orchestrated machine learning workshops attended by more than 100 staff members across departments; these sessions improved cross-functional understanding of AI applications within the organization while promoting collaborative projects among teams. Show less

- Pioneered the development of Telegram chatbots for sales and tech support using aiogram, serving 50,000 users.- Developed a demand forecasting model, boosting the EdTech platform’s sales conversion rate by 38% while sustaining the existing advertising budget.

- Engineered an iOS application on the App Store, achieving over 3 million downloads and gaining widespread adoption.- Developed and delivered a month-long course for mobile developers; to date, over 2,000 participants have completed the module.

- Spearheaded the optimization of an iOS application’s network layer, resulting in faster page loading times and a 37% reduction in memory leaks.