mmsergeev

Owned LATAM growth initiatives focused on refund reduction, recurring payment recovery and early student lifecycle optimization. Reduced refund rate by 50% in an A/B test by fixing the post-payment activation gap; improved recurring payment collection from 78% to 96% for 2nd payments and from 67% to 84% for 3rd–4th payments; set up churn-risk prioritization for 1,000+ eligible students per month using existing teams and workflows. Focus: growth strategy, retention, lifecycle communications, payment recovery, churn prevention, user research, A/B testing.

Founding Product Lead for GameFi and Telegram Mini App products, responsible for taking products from zero to MVP and early traction. Delivered a differentiated MVP with 3x DAU growth; defined product vision, positioning and go-to-market strategy; led discovery, prioritization, roadmap execution and analytics setup across engineering, design and analytics. Focus: product strategy, roadmap, product analytics, early go-to-market, hypothesis-driven development, cross-functional execution, AI/no-code tooling.

Owned strategy, metrics and execution for multiple fintech products in acquiring, onboarding, risk, operations and internal platforms in the world's largest digital bank. Improved the north-star metric by 30% through funnel optimization, metric redesign and systematic churn/retention work; delivered 5 full-scale fintech products and contributed to 7+ products across discovery, launch and scaling; built analytics, OKRs, KPI systems and operational workflows adopted across the product area. Earlier background: software engineer in Python and product analyst, with experience in ETL, dashboards, internal tools and data architecture. Focus: fintech, product strategy, multi-product development, process automation, product analytics, OKRs, KPIs, cross-functional leadership.