• Owned the full development lifecycle of 20+ subscription-based iOS apps, from architecture and implementation to App Store release and post-launch iteration.
• Built products across VPN, media cleaning, storage management, photo and video optimization, security, ad blocking, and smart-device connectivity.
• Implemented subscriptions and monetization flows using StoreKit 2 and Adapty, including purchases, restores, entitlements, and subscription-state management.
• Created and optimized onboarding and paywall experiments using Firebase A/B Testing and Remote Config.
• Integrated AppsFlyer attribution and deferred deep linking to support campaign measurement and personalized onboarding.
• Developed production interfaces with UIKit and SwiftUI using MVVM, MVP, and MVC architectures.

-development of Apps based on MVP/MVC/MVVM architectures, guiding the entire process from inception to the release stage;-implementing In-App Purchase functionality to establish subscription models, thereby generating revenue for the application;-integrating AI and ML models into projects to enhance video and image processing capabilities;-implementing Firebase Remote Config and A/B testing for dynamic app UI and content adjustments to accommodate various occasions;

-offering support and guidance to students in building foundational knowledge in Swift programming language and mastering the essentials of the Xcode development environment;-vigilantly reviewing and evaluating student homework assignments, while concurrently providing instruction on effective methodologies for identifying solutions to specific challenges;-sharing valuable insights, tips, and strategies on leveraging API services, implementing extensions, navigating SDKs, utilizing Git for version control, and other essential skills in the field of software development.

-changed architecture from MVC to MVP, for easier future application scalability and grow;-implemented MapKit with ability to drop pin to capture users experience and update local and server-side databases; -added RealmData base to save user experience; -implement login, analytics and Push-notifications with Firebase.experience;• Implemented Realm to save unfinished experience reports.