Hang Daro
LV 6 · Android Engineer
XP to Lv 7: 83%

Android Development Engineer

Start quest logTeam up
Shipped apps atPrince BankUDAYA Technology

Player profile

Explore 6+ years of Android apps people use every day

I'm an Android Development Engineer in Phnom Penh, building with Flutter and native Android. I handle the whole journey: understanding what users need, writing the code, testing it and documenting it. I care about apps that feel smooth and run efficiently.

100k+users on a logistics app I built from scratch
25k+transactions a day through an app I maintained
6+years shipping Android apps, since 2019
3apps launched from a blank project

Quest log

Where I leveled up

  1. Prince Bank Plc.Full-time · 3 yrs 6 mos
    Latest quest

    1. Android Development Engineer

      Feb 2024 – Jan 2026 · 2 yrs

      • Designed, built and improved the bank's Android apps across the full cycle, from user needs to code, tests and documentation.
      • Worked on merchant development for the bank's mobile products.
      Agile & Waterfall MethodologiesObject-Oriented Programming (OOP)+15 skills on LinkedIn ↗

    2. Assistant Manager, Android Development

      Aug 2022 – Feb 2024 · 1 yr 7 mosPhnom Penh, Cambodia

      • Managed Android development work, turning business requirements into app features.
      XMLCommunicationObject-Oriented Programming (OOP)
    XP3 yrs 6 mos
  2. UDAYA Technology Co., Ltd.Full-time · 3 yrs · On-site
    Complete

    1. Senior Android Developer

      Mar 2021 – Nov 2022 · 1 yr 9 mos1st Floor, #3, St 259, Sangkat Teuk Laak 1, Khan Toul Kork, Phnom Penh, Cambodia

      Key responsibilities

      • Worked closely with project managers, designers and the QA team to build new project features.
      • Kept project dependencies up to date.
      • Refactored the codebase from a monolithic app into a multi-module application.
      • Released the project to the Play Store on a rotation.

      Key accomplishments

      • Launched the Terminal Booking Ticket app from scratch.
      • Maintained and updated the Logistic Internal Operation App, which handles more than 25k transactions a day.
      • Found innovative ideas and built proofs of concept to match project requirements.
      • Led and mentored the team.

    2. Android Developer

      Feb 2020 – Mar 2021 · 1 yr 2 mos

      Built new features to improve the user experience of the Logistic Internal App and the public app.

      Key accomplishments

      • Launched the Logistic App from scratch, now with 100k+ users.
      • Launched the Vehicle Tracking App from scratch.

    3. Android Developer Intern

      Dec 2019 – Feb 2020 · 3 mos

      JavaKotlin
    XP3 yrs

Trophy room

Apps I've shipped

legendary

Logistics App

A public logistics app I built from scratch. It now has more than 100,000 users.

AndroidFrom scratch100k+ users
epic

Logistics Operations App

An internal operations app I maintained and updated, handling more than 25,000 transactions a day.

AndroidInternal25k+/day
epic

Multi-module Refactor

Moved a monolithic Android codebase to a multi-module app, so features build and ship independently.

ArchitectureGradle modules
rare

Vehicle Tracking App

A vehicle tracking app built from a blank project.

AndroidFrom scratch
rare

Terminal Booking Ticket

A ticket booking app for terminals, launched from scratch.

AndroidFrom scratch
rare

Team Mentor

Led and mentored Android developers at UDAYA, and ran Play Store releases on rotation.

LeadershipReleases

My App

Apps I'm building

My own projects, outside of work. Pick one to see the details.

Merchant characterMerchantIn developmentPoint-of-sale for multi-shop owners, with PIN-secured cashiers, QR payments and live analytics.View app ▶Tos characterTosComing soonFind people to play futsal, grab coffee, game or travel with tonight.View app ▶

Inventory

Equipped skills

Android (Native)LV 9
Platform
Flutter & DartLV 8
Cross-platform
Kotlin & JavaLV 8
Languages
Multi-module ArchitectureLV 8
Architecture
Play Store ReleasesLV 9
Shipping
Requirements GatheringLV 8
Product
Business RequirementsLV 8
Product
Merchant DevelopmentLV 7
Banking
Data AnalyticsLV 6
Data
Testing & DocumentationLV 7
Quality
Team Leading & MentoringLV 7
Leadership
Working with PM, Design & QALV 9
Teamwork

Save points

Education

University of Puthisastra logoLatest save

Master's degree, Computer Science

University of Puthisastra

2023 – 2026

SETEC Institute logoSaved

Bachelor of Management Information Systems

SETEC Institute

2017 – 2022

BELTEI International School logoSaved

General Education

BELTEI International School

2012 – 2016

Blogs

Notes from the dev log

Write-ups on building Android and Flutter apps. The first posts are on the way.

New postCareer

Manager, IT Native Mobile Development

Route to becoming an experienced Manager, IT Native Mobile Development: lead the Native Mobile Unit and take end-to-end technical ownership of Android and iOS apps. A step-by-step plan for one year.

Read post ▶
Coming soonArchitecture

Moving an Android app from monolith to multi-module

What changed for build times, team ownership and releases after splitting the codebase.

Coming soonAndroid

Shipping a logistics app to 100k users

Lessons from building a public Android app from a blank project to a large user base.

Coming soonFlutter

Flutter or native: how I choose for a new app

The questions I ask before picking Flutter or native Android for a project.

New quest available

Let's build your next app

DARO

Looking for an Android or Flutter engineer who ships apps from scratch? Pick an option below and let's team up.