Vladislav Grinberg

• Engineered an end-to-end agentic AI with LangGraph, letting users issue natural-language commands that
trigger multi-step tool actions.
• Built LLM prompt-routing pipelines that cut false responses 30%, lifting chatbot accuracy.
• Refactored codebase to run asynchronously, significantly enhancing speed and scalability

• Company Overview: educational platform
• Data-Driven Decision Making: Conducted in-depth ad hoc analysis of user engagement and learning patterns, utilizing customer segmentation and NLP tools to distill meaningful information from user-generated content. Successfully devised and implemented strategies that boosted user engagement by 40% and increased user retention by 30%.
• Predictive Analytics: Trained a predictive model to identify at-risk users, enabling proactive strategies that effectively reduced customer churn. This model not only helps target individual users but also provides a helicopter view on customer satisfaction regarding learning experience.
• Data Visualization and Reporting: Designed and deployed various analytical dashboards that provided a cohesive and intuitive visual representation of data findings and helped communicate insights to stakeholders.
• Tools Development: Engineered bots for Telegram and Discord, designed to guide users through their learning journey, collect communication metrics, gather feedback and used as a valuable source of data for further analysis and user experience enhancement.
• Data Processing and Warehousing: In collaboration with senior data engineers developed data warehouse infrastructure and ETL pipelines using Python and PL/pgSQL, ensuring high data integrity and significantly reducing the time required for data analysis and reporting.
• Educational platform

• Company Overview: VEON
• Conversion and Retention Analysis: Conducted analysis of customer conversion rates and churn to identify areas for improvement improvement, leading to tailored tariff plan tweaks that attracted and retained more clients, ultimately enhancing customer lifecycle and engagement.
• Sales Incentive Program Development: Made improvements in sales motivation and reward system, resulting in a 10% reduction in customer acquisition costs and a 15% increase in monthly sales metrics.
• VEON