andreirauh
I Os Developer
iOS Developer with nearly 4 years of experience creating high-quality, user-focused mobile applications using Swift, SwiftUI, UIKit, and Objective-C. Experienced in building iOS apps using VIPER, MVVM, and Clean Swift architectures, handling deep links and push notifications, and optimizing performance. Skilled in async/await, Combine, CoreData, Realm, analytics integration, running A/B tests, and refactoring legacy code to improve stability and maintainability. Strong team player, able to create StyleGuides, enforce code quality, and collaborate effectively in distributed teams. Fluent in English (C1).
Experience: 4 years
Yearly salary: $56,000
Hourly rate: $30
Nationality: 🇩🇪 Germany
Residency: 🇷🇴 Romania
Experience
iOS Developer
Tesco 2021 - 2025
Redesigned main screen in SwiftUI, boosting daily active user engagement by 18.42% and improving first-screen load time by 22.37%. Implemented centralized StyleGuide for iOS developers, cutting new feature UI build time by 25.15% and ensuring design consistency across all new screens. Added deep link and push notification handling with flexible routing logic, reducing navigation-related support requests by 30.28%. Integrated AppMetrica and Amplitude event tracking to enable precise feature performance analytics, guiding multiple successful A/B experiments. Refactored legacy UIKit modules, raising the crash-free user rate from 92% to 96.84% and increasing unit test coverage by 21.45%. Optimized networking layer using URLSession and async/await, improving API response speed and reducing memory usage.
Skills
ios
english