Working on a Muslim lifestyle application with 50,000+ daily active users:• Developed a custom navigation system by incorporating UIViewControllerAnimatedTransitioning controllers.• Enhanced navigation interactivity by utilizing UIPanGestureRecognizer and UIPercentDrivenController.• Resolved a bug with UINavigationController on iOS 17 by overriding its UIViewControllerTransitioningDelegate methods.Mentoring students on iOS development:• Conducted 25+ mock interviews on iOS platform and algorithms.• Provided weekly code reviews for students.• Delivered lectures on complex topics in Swift and iOS development

Worked on browsing application with 6.5 million DAU:- Developed "Feedback & Support" service from scratch fastening feedback process by 60%- Covered the main page onboarding with Unit and Snapshot tests by 95%- Gave a lecture to colleagues about "TCA Architecture in Swift" - Contributed to in-app banking card payment service

Online grocery market with DAU of 10,000+- Fixed UI-accessibility problem increasing the reliability of iOS application by 20% in accessibility mode- Developed the cart division into sections by grocery types. Collaborated on defining the product design and API requirements with Backend.- Authored documentation on the configuration of project and developer tools on the computer, which fastened the onboarding period by 25%

Completed the academy, consisting of 2 parts: online (learning), offline (practice)1. Online part included lectures, homework, and cross code-review among studentsTopics learned: - Concurrency (GCD, Operations, Async/await)- Data persistence (CoreData, UserDefaults, SQLite, JSON, CSV)- SwiftUI, Combine- Unit testing2. Offline part was held as a Hackaton, where participants built real commercial application from scratch:- Built custom library that includes self-made Audio-player with full functionality- Made multi-modal screen consisting of several screens with independent and abstract functionality- Learned team-leading skills by distributing tasks and tracking the progress of the team- Developed public speaking skills by presenting the project to the stakeholders and managers of the company