Developed VPN applications, one of which ranked in the TOP 5 of the App Store. Developed a cryptocurrency exchange.— Designed and implemented key features: premium subscription, traffic limitation, authorization, country selection, Firebase Remote Config, QR code login, online support chat, user retention, and family access.— Increased payment conversion from 13% to 17%.— Improved user retention: Day 1 from 29% to 47%, Day 7 from 20% to 25%, Day 28 from 15% to 22%.— Reduced Time to Market (TTM) by 2 times.

Developed My House app serving over 375,000 users and connecting to >265,000 apartments, allowing seamless door opening, video calls, event logging, etc.— Increased call success rate from 30% to 90% by rewriting call logic from scratch;— Reduced the number of application crashes by 47% from 1126 to 600 by optimizing existing code;— Designed and implemented a unique module to inform users about doorbell key passes, complete with flexible notification settings;— AppStore: https://apple.co/3s43FU7

RUDN University- RUDN University application with personal accounts, class schedules and QR-pass with >30 000 users.— Developed a new module "RUDN Tech Support", fixed bugs in the old ones;— Rewrote ≈20% of screens from XIB to program code;— Worked on product tasks, released the application in AppStore;— AppStore: https://apple.co/3BGm1Mh

FormaCar - car portal including 3D configurator, classifieds section, social network, news and AR mode. — Finalized the support section on the Settings screen;— Developed and fixed product features;— AppStore: https://apple.co/3zMnFLc

I worked as a marketer in several companies, setting up Google Analytics and Yandex Metrika analytics, setting up advertising in Google Ads, Yandex Direct, Facebook Ads.