M Hamayun Zeb

iOS Developer

Google Developers • Fulltime

May 2018 - Jun 2019 • 1 yr 1 mo

iOS Developer Jolta Technologies Limited (Headquartered in Phase 8 near Statue of Liberty with offices in Hong Kong , China, UAE, Malaysia, and Pakistan) Worked as an iOS Developer in a multinational software company specializing in mobile applications and games. Contributed to the development, maintenance, and publishing of high-quality native iOS applications for global clients across multiple industries. ### Key Responsibilities: • Developed native iPhone and iPad applications using Swift, Objective-C, UIKit, and SwiftUI • Built and maintained custom business apps, utility apps, entertainment apps, and mobile games • Integrated REST APIs, Firebase services, push notifications, analytics, and third-party SDKs • Optimized app performance, memory usage, responsiveness, and user experience • Fixed bugs, resolved crashes, and ensured compatibility across iOS versions and Apple devices • Collaborated with designers, QA teams, backend developers, and project managers • Managed App Store submissions, updates, metadata, and release cycles • Worked on projects published on major app marketplaces including the Apple App Store ### Achievements: • Successfully contributed to the launch and maintenance of numerous iOS apps used by international clients • Helped improve app stability, user retention, and performance through code optimization • Delivered projects on time while maintaining high coding standards and scalability • Gained strong experience in enterprise-level app development and client communication This role strengthened my expertise in full-cycle iOS development, from idea to App Store release.