Mobile App Portfolio

Andra Antariksa Prihadi (andra.antariksa[at]gmail.com)

1. Pick-a-roo

1.  Groceries

Main Pick-a-roo app for buying groceries

2.  Door-2-door

Pick-a-roo subfeature for customer goods delivery

Affiliation: Stamps x Agile Digital

PlayStore: https://play.google.com/store/apps/details?id=com.pickaroo.android

Tools used:

• Android SDK
• Realm
• MVVM and MVP
• Firestore
• Flow
• Koin

Some notable stuff on what I was working on:

• Call and chat feature integration with chat vendors.
• Syncing the data between devices using Firestore.
• Optimizing the UI responsiveness by benchmarks, profile, simplifying complex UI, utilizing Concat Adapter, and coroutine.
• Refactor the code and reduced line of code by 30%
• Introduced comprehensive unit testing and integration testing protocols.
• Successfully migrated from MVP callback-hell architecture to a hybrid MVP and reactive MVVM code using data binding, flow, and live data at scale.
• Elevated app crash-free rate from 92% to 98%.
• Architected and modularized a monolith app, reducing incremental build times by 60%.

Notes: Pick-a-roo is one of Philippines online grocery key players, according to Tech in Asia.

2. Pick-a-roo Crew

Affiliation: Stamps x Agile Digital

PlayStore: https://play.google.com/store/apps/details?id=com.pickaroo.crewapp

Tools used:

• Android SDK
• Realm
• MVVM and MVP

Some notable stuff on what I was working on:

1. Call and chat feature integration with chat vendors.
2. Syncing the data between devices using Firestore.
3. Optimizing the UI responsiveness by benchmarks, profile, simplifying complex UI, utilizing Concat Adapter, and coroutine.
4. Refactor the code and reduced line of code by 30%
5. Introduced comprehensive unit testing and integration testing protocols.
6. Successfully migrated from MVP callback-hell architecture to a hybrid MVP and reactive MVVM code using data binding, flow, and live data at scale.
7. Elevated app crash-free rate from 92% to 98%.
8. Architected and modularized a monolith app, reducing incremental build times by 60%.

Notes: Pick-a-roo is one of Philippines online grocery key players, according to Tech in Asia.

3. Pick-a-roo Merchant

Affiliation: Stamps x Agile Digital

PlayStore: https://play.google.com/store/apps/details?id=com.pickaroo.merchant_app

Tools used:

• Android SDK
• Realm
• MVVM and MVP

Some notable stuff on what I was working on:

1. Call and chat feature integration with chat vendors.
2. Syncing the data between devices using Firestore.
3. Optimizing the UI responsiveness by benchmarks, profile, simplifying complex UI, utilizing Concat Adapter, and coroutine.
4. Refactor the code and reduced line of code by 30%
5. Introduced comprehensive unit testing and integration testing protocols.
6. Successfully migrated from MVP callback-hell architecture to a hybrid MVP and reactive MVVM code using data binding, flow, and live data at scale.
7. Elevated app crash-free rate from 92% to 98%.
8. Architected and modularized a monolith app, reducing incremental build times by 60%.

Notes: Pick-a-roo is one of Philippines online grocery key players, according to Tech in Asia.

4. Kiosk Android

Kiosk is an app used by a store customer to order food or goods and pay them. The app is used by Gramasi Coffee in Cikini, Jakarta. The app does reduce  the burden of the cashier staff and increase the customer awareness about their products, which in turn increases Gramasi’s revenue.

Affiliation: Stamps

PlayStore: https://play.google.com/store/apps/details?id=id.co.stamps.kiosk

Tools used:

• Android SDK
• Jetpack Compose
• Hilt + Dagger
• MVVM architecture
• RFID reader
• Flow
• WorkManager

5. Harvest & Keikpop

Affiliation: Stamps

PlayStore: https://play.google.com/store/apps/details?id=com.harvest.android

Description: One stop food delivery app, primarily for cakes and cookies. You can make an immediate or scheduled, dine in or delivery order. Harvest and Keikpop merchant and app are separated, with some UI differences.

Tools used:

• Android SDK
• Realm
• Navigation component

6. OMNI POS

Affiliation: Stamps

Play Store: https://play.google.com/store/apps/details?id=omni.id.android

The product were used by some of our clients such as Clarins, Kopitiam

Tools used:

• Android SDK
• Kotlin
• Work Manager
• Firestore
• MVVM and MVP

Some notable things on what I was working on:

• Seamlessly transitioned from Realm database to Room database without disruption
• Second screen for client

7. Burger King

Affiliation: Stamps

PlayStore:

Tools used:

• Android SDK
• Java & Kotlin
• Realm
• MVP

8. Astral Project

Affiliation: TKA Developments

PlayStore: https://play.google.com/store/apps/details?id=id.co.tka.astralproject

Tools used:

• React Native
• Typescript
• Firestore
• Jotai

Some notable things on what I was working on:

9. MoneyHub

Affiliation: TKA Developments

Play Store: https://play.google.com/store/apps/details?id=id.moneyhub.app

Tools used:

• React Native
• Typescript
• Firestore
• React Native SVG

Some notable things on what I was working on:

• Made the graphing library from scratch since there is no suitable open library that fits our needs

10. Wargaa

Affiliation: TKA Developments

Play Store: https://play.google.com/store/apps/details?id=com.wargaa.app

Tools used:

• React Native
• Typescript
• Firestore