Zohaib
Mobile App Developer
Skills
Languages
About
Senior iOS Developer with 6+ years of experience designing, building, and deploying production-grade iOS applications using Swift, UIKit, SwiftUI, and Clean Architecture. Proven track record of contributing to high-traffic platforms, implementing scalable solutions, integrating third-party SDKs, and optimizing performance and security. Passionate about delivering pixel-perfect interfaces, mentoring teams, and staying current with the latest iOS trends and tools.
Work Experience
Senior iOS Developer
2025 - PresentOSN
Contributing to OSNtv, a Netflix-style streaming platform tailored for the MENA region, offering premium content including HBO, Paramount+, and OSN Originals. Responsible for enhancing the core iOS experience for OSN’s millions of users across mobile and tablet. Lead the development and optimization of key iOS features, collaborate with cross-functional teams, integrate SDKs (Firebase, Datadog RUM), optimize performance (memory profiling, async loading, image caching via SDWebImage), contribute to architectural decisions (Clean Architecture, MVVM), participate in sprint planning, code reviews, CI/CD, and implement FairPlay DRM for secure video playback.
Senior iOS Instructor
2025 - 2025Elm Company
Led iOS bootcamps and workshops, contributed to development of internal apps and educational tools. Conducted hands-on training sessions on Swift, SwiftUI, iOS best practices, UI to backend integration, API integration, Combine, data persistence, RESTful services, and custom UI design. Mentored on secure app development, collaborated with curriculum team on modern architectural patterns (MVVM, Clean Architecture, Combine), built in-house training apps in SwiftUI, worked on internal modules (notifications, media playback, role-based access), participated in Agile sprint planning, code reviews, and acted as technical advisor.
Senior iOS Developer
2023 - 2025Rockville Technologies
Worked with cross-functional teams, integrated UI elements, spearheaded development of Bajao (music streaming, 34k+ downloads), implemented RESTful APIs, CoreData, crash reporting, offline support, used Combine for reactive modules, participated in architectural decisions (MVVM, Clean Architecture), collaborated in Agile sprints, contributed to security and performance profiling. Led Vidly (video streaming, 40k+ downloads, 1M+ impressions, integrated Apple Pay/JazzCash/Easypaisa), deployed Ropay (merchant onboarding), maintained Peshawar Zalmi App and Froebel's Parent App. Handled maintenance, root cause analysis, and production fixes.
iOS Developer
2021 - 2023Join App Studio
Architected and built scalable iOS frameworks for rapid app development. Managed ride-hailing app for Australian market (Swift, CoreLocation, Google Maps). Developed Push-Up Calculator app with MLKit (boosted efficiency by 50%), launched online store app (Shopp), managed Lafiya and Doctoc (doctor consultation).
Associate iOS Engineer
2019 - 2021Vision X
Contributed to deployment and maintenance of Cell Card (video streaming for Asian market), maintained APIs for CB Card+ (credit/debit card management for Malaysian CB Bank).
iOS Intern
2019 - 2019Vision X
Worked on SwiftUI for responsive interfaces, enhanced features for package management app, supported testing/debugging, practiced Git for versioning, applied MVC for organized code.
Education
Arid Agriculture University, Rawalpindi
Jan 2017 - Jun 2021Bachelors Degree
Area: Computer Science
Bachelor's degree in Computer Science
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