mufkhalif.
I'm a mobile engineer passionate about building reliable apps with strong performance and great user experience.
Fullstack Mobile Engineer at Kitabisa
Skills
Languages
Swift, Kotlin
Cross-platform
Flutter, Kotlin Multiplatform
Practices
TCA, CI/CD
Experience
2026 - Present
Fullstack Mobile Engineer @Kitabisa
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.
2022 - 2026
Software Engineer · Mobile @Elemes.id
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.
2023 - 2024
Mobile Developer · Contract @Speedwork
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.
2021 - 2022
Mobile Developer @Superhand
Maintained production Android/iOS apps with live streaming, chat, and in-app content.
2019 - 2021
Software Engineer @Traspac
Built backend APIs and integrations, optimized MySQL queries, and supported production deployment.
Working Style
Keep things simple: build a clean foundation, ship in small increments, and improve continuously.
Open for Collaboration
Available for freelance and collaboration on mobile app development, feature delivery, and performance optimization.
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