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Portfolio · 2026

Puthsitha

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01 — About

Mobile, crafted
with care.

I'm a mobile developer with hands-on experience across e-commerce, education, hospital, hotel and booking-tour apps. I build native iOS in Swift, UIKit & SwiftUI and cross-platform apps in Flutter and React Native — with a focus on clean architecture, smooth animation and bank-grade API integration.

02 — Selected work

Projects

iOS · Swift · SwiftUI

Hattha Mobile

Enhancing and maintaining the Hattha Bank mobile app — new features, issue fixes and polished UI in Swift, UIKit and SwiftUI.

Flutter · BLoC

Banking & Merchant Apps

Cross-platform Flutter apps with secure API and bank-service integration, built on BLoC and Provider state management.

React Native · Redux

E-commerce & Booking

React Native apps for e-commerce, hotel and booking-tour — ABA payment integration, Redux & Zustand, led with a team.

03 — Contact

Let's buildsomething

puthsithamouern@gmail.com+855 92 389 497github.com/puthsitha

04 — Experience

Where I've worked

  1. Sep 2025 — Present

    Mobile Developer · Hattha Bank

    Enhance, maintain and fix issues on the Hattha Mobile app using Swift, UIKit & SwiftUI, and the Hattha Merchant app using Flutter.

  2. Apr 2024 — Aug 2025

    Mobile Developer · Digital One

    Built Android & iOS apps with Flutter, integrated APIs and bank services, using BLoC and Provider state management.

  3. Dec 2021 — Mar 2024

    Mobile Developer · PHSAR TECH

    Developed Android & iOS apps with React Native and ABA bank integration using Redux and Zustand. Led projects, managing tasks, meetings and team responsibilities.

  4. Feb 2020

    Leadership Training · YRDP (NGO)

    Completed the Youth Resource Development Program's Leadership & Personal Development training.

05 — Education

Studied & certified

  1. 2019 — 2023

    Royal University of Phnom Penh (RUPP)

    Bachelor's Degree in Computer Science.

  2. 2016 — 2019

    Thmorkoul High School

    High school diploma — passed Bac II (Grade C).

06 — Skills

What I work with

Technical (Swift, Flutter, React Native)0%
Communication & Teamwork0%
Project Management0%
Design0%
  • Swift
  • UIKit
  • SwiftUI
  • Flutter
  • React Native
  • JavaScript / ES6
  • TypeScript
  • Redux
  • Zustand
  • BLoC / Provider
  • REST API
  • Bank / ABA integration
  • App Store release

07 — Résumé

Download my CV

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