Production Portfolio

My Work

Production apps I've built and shipped — from empty projects to millions of users.

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Kompas.id

PT Kompas Media Nusantara

Senior iOS Engineer / Lead Mobile Engineer · January 2021 – July 2026 (5.5 years)

Indonesia's premium digital news platform — subscription-based journalism with 50,000+ paying subscribers. Available on iOS and Android.

My Contribution:

Led team of 6 engineers (3 iOS, 3 Android) while writing Swift daily
Built StoreKit/In-App Purchase subscription system (the revenue engine)
Built Audio Berita (Text-to-Speech) with AVFoundation — background playback + lock screen controls
Architected modular iOS project with XcodeGen (KidKit / KidUIKit / KidCommsKit / App)
Took App Store rating from 4.3 to 4.9 through systematic crash triage
Maintained 99%+ crash-free rate across 5 years of continuous releases
Built 40+ CI/CD workflows with self-hosted runners

Swift SwiftUI UIKit StoreKit AVFoundation Clean Architecture XcodeGen Fastlane GitHub Actions SwiftLint Semgrep KMP

Download on the App Store

Metric	Value
App Store Rating	4.9 ★ (4,400+ reviews)
Crash-Free Rate	99%+ sustained
Paying Subscribers	50,000+
CI/CD Workflows	40+ Workflows
Team Size	6 engineers (3 iOS, 3 Android)

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Audio Berita Screenshot

AVFoundation TTS Player

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Subscriptions Screenshot

StoreKit IAP Paywall

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AstraPay

PT Astra Digital Arta (via Indivara Group)

Lead iOS Developer · January 2020 – December 2020 (1 year)

Astra International's digital wallet — e-money, bill payments, QR payments, transfers. Now serving 1,000,000+ users nationwide.

My Contribution:

Built the entire iOS application from scratch (empty Xcode project to App Store)
Implemented secure authentication flows for fintech compliance
Implemented payment processing and transaction handling
Delivered to production within the year — app now at 1M+ users

Swift UIKit RESTful APIs Keychain Push Notifications Secure Auth Flows QR Payments

Download on the App Store

Metric	Value
Users	1,000,000+
Built From	Scratch (zero to production)
Platform	iOS

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QRIS Payment Screenshot

Barcode & Camera Scanner

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Secure Auth Screenshot

Keychain & Biometrics

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Wallet of Indivara (WOI)

Indivara Group

Lead iOS Developer · 2020

Electronic money application with secure transaction handling — digital wallet for payments and transfers.

My Contribution:

Developed the iOS application with secure transaction handling
Implemented e-money features (top-up, transfer, payments)

Swift UIKit Secure Storage Payment APIs

Download on the App Store

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Wallet of Indivara Screenshot

E-Money & Transfer UI

Secondary Production Portfolio

Additional Shipped Applications

Banking, telecommunications, and multi-finance enterprise applications built across mobile career milestones.

Mobile banking app — transactions, bill payments, fund transfers, cellular reload. Secured with dynamic PIN authentication.

Swift UIKit Dynamic PIN

View on App Store ↗

Fintech mobile application — secure, available 24/7.

Swift UIKit Fintech

Production Shipped

Lending and payment application.

Swift UIKit Lending APIs

Production Shipped

Consumer loan application — BPKB collateral, electronics/furniture installments, motorcycle financing, payment processing.

Kotlin Android SDK Fintech Financing

Production Shipped

Sales force app for field agents to process loan submissions digitally — replaced paper-based workflows.

Kotlin Field Automation Paperless Workflow

Enterprise Internal App

Want to see how I build, not just what I ship?

Explore the Kotlin Multiplatform shared architecture, 40+ workflow CI/CD pipelines, ABI validation, and SDK distribution mechanisms.

Explore the Engineering Lab →

My Work

Kompas.id

My Contribution:

AstraPay

My Contribution:

Wallet of Indivara (WOI)

My Contribution:

Additional Shipped Applications

SUMUT Mobile

IMKas

Pede Ponsel Duit

Kreditplus Mobile

Kreditplus eForm

Want to see how I build, not just what I ship?