Adi Andrea

Open to remote roles and freelance projects

Hi, I’m Adi. I build apps that ship and scale

Mobile engineer from Bali, building apps since 2017 for startups and businesses in F&B, property, fintech, HR tech and agritech.

Android
KotlinJetpack Compose
iOS
SwiftSwiftUI
Also
FlutterHardware integrations
Years of experience
9+
Projects built
14
Platforms
3
Industries
7

Projects

Recent things I’ve built

View all 14 projects
Yoshinoya self-order kiosk screen 1Yoshinoya self-order kiosk screen 2Yoshinoya self-order kiosk screen 3
F&B2025

Yoshinoya self-order kiosk

Self-ordering for a restaurant chain: combos, promos, membership with OTP, and card and QRIS payment through an EDC terminal.

KotlinJetpack ComposeHiltUSB serialIn restaurants
Read case study
UmahLoka screen 1UmahLoka screen 2UmahLoka screen 3
Property2024

UmahLoka

Property listing platform, built natively on both platforms by one engineer.

KotlinSwiftSwiftUI

How I work

From idea to store, and after

  1. Understand

    I start with your users and goals, not the tech stack.

  2. Build

    Clean native code with an architecture your team can grow.

  3. Ship

    Play Store and App Store releases, crash monitoring, and performance.

  4. Support

    I stay on after launch to fix, iterate, and improve.

Skills

What I work with

Android
Kotlin, Java, Jetpack Compose, MVVM, Hilt, Coroutines, Retrofit
iOS
Swift, SwiftUI
Cross-platform
Flutter for Android, iOS, web and desktop
Hardware
Kiosk mode, USB serial EDC payments, Sunmi and Epson printers, barcode scanners, QRIS
Backend and DevOps
Spring Boot, MySQL, Docker, AWS, Google Cloud, CI/CD
Tooling
Firebase, Git, Play Console, App Store Connect

Timeline

Building apps since 2017

  1. 2025–26Yoshinoya self-order kiosk, and a factory operations platform for Savoria
  2. 2024UmahLoka, native on Android and iOS
  3. 2020–24Goods-tracking apps on Android handhelds for Central Proteina Prima
  4. 2020Koda video interview app
  5. 2019Lestari Diskon with BPR Lestari, migrated from Java to Kotlin
  6. 2017First production apps, in Bali
Full resume (PDF)