Digital Adverza · iOS & Android DeveloperAbout Qasir.
Qasir is a mobile app developer with 8+ years of hands-on experience building iOS and Android apps. He works natively in Swift and Kotlin, and in Flutter when one codebase for both platforms is the better call for the business.
He handles the whole lifecycle: app architecture, UI that follows Apple and Google's design guidelines, API and payment integration, push notifications, testing on real devices, and the App Store and Google Play release process.
Every app is built to be maintained: clean structure, offline-safe data, crash reporting from day one, and a release pipeline that makes the next update routine.
How Qasir worksSwift and Kotlin where it matters
Review guidelines handled up front
Works on a bad connection
Crash reporting and analytics built in
The stack.
What Qasir works in every day, and what each layer is for.
iOS
Swift, SwiftUI, UIKit, Xcode, App Store Connect, TestFlight
Android
Kotlin, Jetpack Compose, Android Studio, Google Play Console
Cross-platform
Flutter and Dart for one codebase on both platforms
Backend and services
REST APIs, Firebase, push notifications, in-app payments, analytics and crash reporting
Selected work.
3 pieces of work. Pick one on the left, or let it cycle.
Business and e-commerce apps
Catalogue, cart, checkout and order tracking apps for shops and brands, with payment integration and push notifications for offers.
iOS · Android · PaymentsBooking and service apps
Appointment, delivery and on-demand service apps with live status, maps and in-app chat, for businesses that run on their phone.
Flutter · Maps · ChatCompanion apps for web products
Mobile front ends for existing web systems, sharing the same accounts and data through the API.
REST · FirebaseWhat you get.
“Apps people keep on their phone, and updates that never break them.”
Built in Swift and Kotlin, following each platform's design guidelines.
→Flutter when one codebase for both stores is the right trade-off.
→App Store and Google Play listings, review and updates managed for you.
→APIs, payments, push notifications, maps and sign-in.
→OS updates, crash fixes and new features after launch.
→The rest of the bench.
Qasir works alongside 7 others. The next profile is lit.
