Artem Poluyanovich

Spearheaded feature-rich mobile solutions including a trading platform serving 4.7M+ users. Led large-scale refactoring, migrating 35+ screens from Objective-C and WebView to UIKit, improving performance and maintainability. Redesigned login/onboarding, boosting visual appeal and engagement (approx. 15% retention increase). Implemented an emergency app with Bluetooth kit, migrated data to AWS DynamoDB, and designed AWS Cognito integration, migrating tens of thousands of users with GDPR compliance. Re-architected services for stability, achieving a 93% crash-rate reduction in Firebase Crashlytics and 20% longer session duration. Built a cross-platform Flutter MVP-to-release app with two roles (parent & kindergartner) using BLoC. Participated in Scrum, coordinating with Android and Backend teams, estimating tasks, conducting code reviews, and stakeholder communication.

Developed a feature-rich trading app Markets.com serving 4.7M+ users, led refactoring migrating 35+ screens from Objective-C and WebView to UIKit, and redesigned login/onboarding flows increasing user retention by 15%. Built an emergency communications app with a Bluetooth kit, enabling real-time location sharing. Migrated data to AWS DynamoDB and implemented AWS Cognito with GDPR compliance. Redesigned architecture reducing crashes by 93% per Firebase Crashlytics and increasing session duration by 20%. Contributed to a blood pressure monitoring app. Sole iOS developer, collaborating with international teams. Built a cross-platform Flutter MVP to release (two roles: parent & kindergarten) with onboarding, funds withdrawal, a questionnaire, and a review system. Actively participated in Scrum, coordinating with Android and Backend teams.

Opened a new subsidiary in Belarus, organized working processes, and oversaw financial operations and Swiss client account management.