Led design for advertising technologies within SberBank Online (iOS/Android, 78M+ MAU), creating banners, sales displays, and training materials while coordinating with the central design system team and cross-app stakeholders.
Drove user-centred improvements through live user testing, customer journey mapping, and usability studies, identifying pain points and delivering quick, cost-effective solutions under tight deadlines.
Achieved 3x conversion lift (3% → 21%) by redesigning credit card banner placement in key user flows; redesigned banner implementation process cut deployment time by 67% while improving usability and clarity.