Senior iOS Engineer · Mobile Architecture & Real-Time Systems
Jakarta, Indonesia · LinkedIn · GitHub

I have 16+ years of experience building iOS products across consumer apps, video streaming, and fintech. My work spans mobile architecture, real-time performance, testing, and release automation. I have also led iOS teams of up to 30 engineers, and I remain hands-on with product engineering.

• Real-time trading: Rebuilt a stock order book to stay responsive under 9M+ market-data messages, moved networking off the main thread, and added automatic reconnection and state recovery at Tuntun Sekuritas Indonesia.
• Faster development: Modularized Tuntun's iOS app, reducing incremental builds from 3–4 minutes to under a minute. Migrating from CocoaPods to Swift Package Manager cut clean builds from about 10 minutes to about 2.
• Video product growth: Designed a server-configurable watch page at Vidio that helped increase video discovery by 30%, and led playback improvements that reduced early viewer abandonment from 15% to 10%.
• Engineering delivery: Helped bring BBM's release cycle from six months to two weeks through CI/CD and automated testing. Later introduced automated builds and TestFlight delivery at Vidio.

• Mobile: Swift, Objective-C, UIKit, SwiftUI, Combine, RxSwift, async/await
• Architecture and performance: Modular architecture, MVVM, Clean Architecture, WebSocket, real-time streaming
• Testing and delivery: XCTest, unit and UI testing, Jenkins, Fastlane, TestFlight, Swift Package Manager
• Other languages and platforms: Kotlin Multiplatform, Kotlin, Ruby, Rust, Go

• Takar Pakai — a native macOS app for exploring local token usage across AI coding tools.
• LoopDeck — a desktop app that keeps project context in the repository and supports ongoing development loops.

Budi Luhur University — Bachelor's Degree in Information Technology