mufkhalif.

Build and maintain the native iOS and Android apps for Indonesia’s largest donation platform.

• Ship features on iOS native (Swift, SwiftUI) using TCA (The Composable Architecture) for predictable, testable state.
• Ship features on Android native (Kotlin, Jetpack Compose) with Kotlin Multiplatform to share business logic across both platforms.
• Own features end to end across both platforms: from API contract to release, so behavior stays consistent on iOS and Android.
• Improve app performance, stability, and crash-free rate on payment and donation flows.
• Write unit and snapshot tests around reducers and shared KMP modules to keep releases safe.
• Support release engineering: CI/CD pipelines, staged rollout, and post-release monitoring.

Built and scaled Android/iOS products in financing, education, and SME domains.

• Shipped MUF App, Tepat Daya, and Ecobiz to production.
• Improved performance and stability, helping MUF App reach 100K+ downloads.
• Built modular architecture and reusable UI to speed up delivery.

Built logistics desktop tools and a self-service kiosk app for workshop operations.

• Delivered a greenfield Flutter app from requirements to first release.
• Designed kiosk-friendly touch UI to reduce queue time and input errors.

Maintained production Android/iOS apps with live streaming, chat, and in-app content.