Mobile App Development for iOS/Android

Only looking for Vietnam developers.
I'm seeking an experienced mobile app developer for fitness and Shopify Apps on iOS and Android platforms.

Essential Requirements:
- Shopify experience
- Fitness Workout tracking (integration with wearable devices, custom workout plans)
- Social/community features (user profiles, friend lists, in-app messaging)

Technical Skills:
- 5+ years in Swift, SwiftUI for iOS
- 5+ years in Kotlin for Android
- Familiarity with TestFlight, OneSignal

Device Requirements:
- MacOS computer
- iPhone & Android phone
- Apple Watch
- AirPlay

Ideal Candidates Should:
- Have strong UI/UX design skills
- Have strong communication skills
- Have strong test skills

Please provide a portfolio showcasing similar projects. Looking forward to your bids!