Dat Tran Quang - Frontend Developer

Dat Tran Quang
Frontend Developer

"Desire to work in a dynamic and professional environment, have access to learn new Frontend technologies for making applications and topics to improve my skills, and contribute to the development of the company and partners."

About Me

Experienced Frontend Developer in Shopify, WordPress, and Flutter development. Passionate about creating responsive, user-friendly web applications and cross-platform mobile solutions. Strong expertise in e-commerce platforms, theme customization, and modern frontend technologies.

8+ years of professional frontend development experience

Expert in Shopify theme development and advanced customization

Delivered scalable, high-quality e-commerce solutions for clients across AU, EU, and Japan

Leveraged AI-assisted workflows to improve development speed and code quality

Technical Skills

Frontend & Core Technologies

HTML5CSS3JavaScriptLiquidTypeScript

E-commerce Platforms & CMS

ShopifyWordPressHaravan

Frameworks & Frontend Architecture

Vue.jsRemixHydrogenNext.jsReact

Mobile Development

FlutterDart

API & Data Integration

GraphQLREST API

Design Collaboration

FigmaSketchZeplinPhotoshop

Version Control & Workflow

GitBitbucketGitLab

AI-Assisted Development

CursorChatGPT

Professional Experience

Flutter Developer

AGAPI OPEN COMMERCE JOINT STOCK COMPANY

Jan 2025 - Present
Vietnam

Technologies:

FlutterDartFirebaseMVVM ArchitectureMisa API
  • Designed and implemented responsive UI with Flutter (Web/iOS) using Loveable AI
  • Built Database & configured MVVM architecture for scalable applications
  • Integrated Firebase services (Authentication, Firestore, Storage) for real-time data management
  • Integrated Misa invoice system for financial management
  • Developed core modules including product management, invoice creation, stock tracking, and reporting dashboards
  • Implemented role-based access control and multi-tenant data separation

Shopify Frontend Developer

FLAGSHIP JAPAN INC

Jan 2020 - Mar 2024
Japan (Remote)

Technologies:

ShopifyLiquidJavaScriptHTML5CSS3API Integration
  • Troubleshot, debugged, and deployed Shopify themes for Japanese clients
  • Customized frontend on partner applications
  • Communicated with Backend team for bug fixes and API integration
  • Worked with Staffing (Hamsa Company) for project coordination
  • Delivered high-quality e-commerce solutions for the Japanese market

Shopify Frontend Developer

HAMSA CORPORATION

Mar 2019 - Dec 2024
Vietnam

Technologies:

ShopifyLiquidJavaScriptVue.jsHTML5CSS3
  • Troubleshot, debugged, and deployed existing and new Shopify themes
  • Customized frontend on partner applications
  • Supported other frontend teams with technical expertise
  • Maintained and enhanced multiple Shopify storefronts
  • Collaborated with cross-functional teams to deliver projects on time

Frontend Developer

HARAVAN TECHNOLOGY CORPORATION

Mar 2017 - Feb 2019
Vietnam

Technologies:

Haravan PlatformHTML5CSS3JavaScriptLiquid
  • Created layouts from design files (Figma, Sketch, Zeplin)
  • Met and discussed with clients to advise on features and priorities
  • Fixed bugs and maintained themes for e-commerce platforms
  • Improved interfaces and implemented client requirements
  • Supported API-related issues and integrations

Content Writer / SEO Website

SEO HA NOI

Feb 2014 - Nov 2015
Ha Noi, Vietnam

Technologies:

SEOContent Writing
  • Wrote SEO-standard articles for websites
  • Implemented keyword SEO strategies
  • Optimized content for search engines

Featured Projects

Drug Management System

Flutter + Firebase + Misa API

Jan 2025 - Present

A comprehensive drug management system with advanced features

Responsive UI designed and implemented with Flutter (Web/iOS)
MVVM Architecture for scalable codebase
Firebase Integration (Authentication, Firestore, Storage)
2 Developers, 1 Tester, 1 PM

Role: Flutter Developer

At The Bathhouse Australia

Shopify

Feb 2024 - May 2024

Modern e-commerce website for the Australian market

Converted design from Figma to Shopify
Maintained and deployed features
Integrated APIs for enhanced functionality
2 Developers, 1 Tester, 1 PM

Role: Frontend Developer

Shark Tank Vietnam Startup - Amaze Dry Clean

WordPress

Sep 2023 - Nov 2023

Professional website for Shark Tank Vietnam startup

Consulted on theme selection and customization
Maintained and deployed features
Custom development for specific requirements
1 Developer (Solo Project)

Role: Frontend Developer (Freelancer)

Familiar Japan E-commerce Website

Shopify

Jul 2021 - Jan 2024

Professional e-commerce website for the Japanese market

Converted code from Mockup to Shopify platform
Maintained and deployed new features
Integrated APIs for seamless functionality
2 Developers, 2 Testers, 2 PM

Role: Frontend Developer

ZENB Japan E-commerce Website

Shopify

Feb 2021 - Oct 2023

Premium e-commerce website for ZENB Japan - a health-focused food brand

Maintained and developed new features for the Shopify platform
Enhanced user experience with responsive design and optimized performance
Integrated custom functionalities and third-party APIs
4 Developers, 2 Testers, 1 PM

Role: Frontend Developer

Flagship Subscription App

Shopify + Vue.js

Jul 2020 - Apr 2021

Internal subscription management application

Developed and maintained layout for subscription app
Customized and refined interface
Cross-platform compatibility
1 FE Developer, 2 BE Developers, 1 Tester, 1 PM

Role: Frontend Developer

A.O. SMITH VIET NAM Website

Haravan

Oct 2018 - Mar 2019

Corporate website for A.O. Smith Vietnam

Upgraded interface with modern design
Connected features using Zeplin designs
Supported API-related issues
1 Developer, 1 Tester, 1 PM

Role: Frontend Developer

HOANGMINH CO., LTD Website

Haravan

Jan 2018 - Apr 2018

E-commerce website for HoangMinh Company

Improved interface with better UX/UI
Advised solutions for client requirements
Theme customization and optimization
2 Developers, 1 Tester, 1 PM

Role: Frontend Developer

Contact Me

🚀 Let's build something amazing together!

"Code is poetry written in logic"

Feel free to reach out if you'd like to collaborate!