Harold

Hi, I am

Phát Trần - Harold

Mobile Developer & UI/UX Design

AbOut

AbOut

Born in 1997. Raised in a small town in VietNam. Been hard at work since 2016.


Hi! I'm Phát Trần - Harold, I'm a highly skilled mobile app developer and UX/UI designer with over 6 years of experience delivering innovative solutions across diverse markets, including Korea, Japan, the US/Canada, and Vietnam. I have successfully developed 50+ mobile applications using React Native and Flutter, transforming client concepts into functional, user-centric, and visually compelling designs.
With a proven track record in leading development teams and managing complex projects, I excel at ensuring timely delivery while maintaining high-quality standards. My expertise spans project management, business analysis, and fostering cross-functional collaboration. I am proficient in leveraging tools such as Jira, Figma, and Agile methodologies (Scrum/Kanban) to streamline workflows and enhance productivity.
Key strengths include strong logical reasoning, deep expertise in UX/UI design, and a demonstrated ability to lead teams and manage projects effectively. I am passionate about delivering exceptional user experiences and driving innovation in mobile app development.
I'm delighted and excited to be part of your project! I'm ready to contribute my skills and expertise to make it a success. Let's make magic happen!

Tech Stack

  • React Native

  • Flutter

  • Native Modules

  • Swift

  • Kotlin

Tool

  • GIT

  • Figma

  • Jira

  • Chat GPT

  • Notion

  • Android Studio

  • Xcode

State Management

  • Redux

  • MobX

  • Redux Thunk

  • Redux Toolkit

  • RTK Query

  • Zustand

  • GraphQL

  • GetX

  • Bloc

  • Provider

Offline Solutions

  • SQLite

  • AsyncStorage

Real-time Features

  • Socket

  • Firebase

Payment Systems

  • PayPal

  • Stripe

  • IamPort

  • VietQR

  • VNPay

APIs

  • Google Maps

  • Naver Maps

  • KakaoTalk APIs

  • SNS login

Video Calls

  • Agora, WebRTC

In-App Purchases

  • Payments

  • Subscription

  • Subscription tiers

Project Management

  • Jira

  • Agile(Scrum, Kanban)

Design

  • Figma

  • Adobe

  • Zeplin

  • Sketch

CI/CD

  • Appcenter

  • Github Actions

  • Gitlab CI

Services

  • Firebase

  • AppCenter

  • Appsflyer

Phát Trần - Harold

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