Yusa Sarisoy

Maintained and extended SwiftUI features in a mission-critical iPad app. Boosted performance and crash resilience via code optimizations, tests, and Jenkins CI. Improved deployment with GitLab CI & Fastlane. Mentored devs in a Scrum team. Key Achievements: Enhanced an enterprise iPad app’s performance and offline reliability, reducing crash reports significantly.

Developed features for Mobility Inside app using SwiftUI/UIKit in Kanban flow. Improved CI/CD with Fastlane & Jenkins. Managed dependencies via SPM, CocoaPods & Carthage. Used Combine, RxSwift & async/await for async logic. Wrote Snapshot & Unit tests with XCTest. Key Achievements: Shipped real-time station data, boosting daily active users and engagement.

Built features and fixed bugs for Getir Drive, an iOS car rental app with iPad support. Used VIPER, DI, and protocol-oriented design for modularity. Enhanced CI with Fastlane & Jenkins. Integrated REST APIs and maintained quality via SwiftLint, XCTest & Crashlytics. Key Achievements: Boosted stability and crash-free sessions by expanding tests and integrating Crashlytics & Sentry for real-time monitoring.

Improved WeWALK’s accessibility app for visually impaired users. Migrated legacy Objective-C modules to Swift for better stability. Applied MVVM with Core Data & Realm for sync persistence. Integrated BLE, HealthKit & IAP. Released via TestFlight & App Store. Key Achievements: Boosted performance by reducing load times and improving sync reliability; enhanced accessibility and code maintainability.

- Developed features for React Native-based EV charging apps. - Collaborated with design and product teams across iOS and Android platforms. Key Achievements: Helped boost booking efficiency and user satisfaction through redesigned UX.

- Rebuilt the Android app using Java and Kotlin in an Agile team. Key Achievements: Contributed to a major redesign that improved user flow and app performance.