Frontend DeveloperPortfolio

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DDuyNH.
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Frontend Developer · 5+ years · Ho Chi Minh City

I'm a Frontend Developer, React · Next.js · Vue Engineer, Pixel-perfect UI/UX builder

I build scalable, high-performance web applications for Japanese clients — with a strong focus on performance, reusable architecture and pixel-perfect UI/UX.

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Nguyen Hoang Duy
0+Years experience
0Projects delivered
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Nuxt 3Vue 3Tailwind CSSRESTful APINext.jsReactTypeScriptSCSSAxiosNestJSRedux ToolkitRxJSReact Hook FormChakra UIReact RouterAppiumCodeceptJSGitLab CI/CDJavaScriptFirebasePlayCanvasAIVue 2Nuxt.jsJestVuexGraphQLASP.NET MVCHTML5/CSS3jQueryC#ASP.NETSQL ServerBootstrap
Nuxt 3Vue 3Tailwind CSSRESTful APINext.jsReactTypeScriptSCSSAxiosNestJSRedux ToolkitRxJSReact Hook FormChakra UIReact RouterAppiumCodeceptJSGitLab CI/CDJavaScriptFirebasePlayCanvasAIVue 2Nuxt.jsJestVuexGraphQLASP.NET MVCHTML5/CSS3jQueryC#ASP.NETSQL ServerBootstrap
BootstrapSQL ServerASP.NETC#jQueryHTML5/CSS3ASP.NET MVCGraphQLVuexJestNuxt.jsVue 2AIPlayCanvasFirebaseJavaScriptGitLab CI/CDCodeceptJSAppiumReact RouterChakra UIReact Hook FormRxJSRedux ToolkitNestJSAxiosSCSSTypeScriptReactNext.jsRESTful APITailwind CSSVue 3Nuxt 3
BootstrapSQL ServerASP.NETC#jQueryHTML5/CSS3ASP.NET MVCGraphQLVuexJestNuxt.jsVue 2AIPlayCanvasFirebaseJavaScriptGitLab CI/CDCodeceptJSAppiumReact RouterChakra UIReact Hook FormRxJSRedux ToolkitNestJSAxiosSCSSTypeScriptReactNext.jsRESTful APITailwind CSSVue 3Nuxt 3
01About me

Frontend Engineer with 5+ years of experience building scalable, high-performance web applications for Japanese clients. Specialized in React, Next.js, and Vue ecosystems, with a strong focus on performance optimization, reusable architecture, and pixel-perfect UI/UX. Proven track record in delivering production-grade systems and contributing to award-winning projects.

0+Years of experience
0Awards & honors
0Projects delivered
2022 · GMO-Z.com Runsystem

Employee of the Year (Front end)

2023 · GMO-Z.com Runsystem

Key Frontend Developer on a “Best Project of the Year”

// Skills & proficiency

01JavaScript (ES6+) / TypeScript0%
02React / Next.js0%
03Vue.js / Nuxt.js0%
04HTML5 / CSS3 / SCSS0%
05Tailwind CSS / UI libraries0%
06Testing (Jest, RTL, Cypress, Vitest)0%
01

Languages & Core

  • JavaScript (ES6+)
  • TypeScript
  • HTML5
  • CSS3
02

Frameworks & Libraries

  • React
  • Next.js
  • Vue.js
  • Nuxt.js
  • Node.js (basic)
03

State & Data

  • Redux Toolkit
  • RxJS
  • Vuex
  • React Hook Form
  • Axios
  • RESTful API
  • GraphQL
04

UI / Styling

  • Tailwind CSS
  • SCSS / SASS
  • Bootstrap
  • Vuetify
  • Ant Design
  • Chakra UI
05

Testing

  • Jest
  • React Testing Library
  • Cypress
  • Vitest
  • Appium
  • CodeceptJS
06

Tools & Platforms

  • Git
  • Vite
  • Firebase
  • Vercel
  • Netlify
  • GitLab CI/CD
Soft skills
  • Teamwork
  • Problem-solving
  • Time management
  • Agile / Scrum
02Services

01

Web App Development

Scalable, production-grade web applications with React, Next.js, Vue and Nuxt — built on a reusable, maintainable component architecture.

02

Pixel-perfect UI/UX

Turning Figma designs into responsive, polished interfaces with Tailwind CSS, SCSS and UI libraries such as Vuetify, Ant Design and Chakra UI.

03

Performance Optimization

Improving page-load and interaction speed across large-scale production apps for a smoother, faster user experience.

04

Testing & Teamwork

Reliable releases with Jest, React Testing Library, Cypress and Vitest — working closely with backend, QA and designers in Agile/Scrum teams.

03Experience

Jun 2019 – PresentCurrent

Front-end Developer

GMO-Z.com Runsystem

Working with Japanese enterprise clients to deliver scalable frontend solutions across media, real estate, fintech and education.

ClientsNHKChintaiFintechBrewus Group
  • Developed and maintained high-quality web applications using React, Next.js and Vue ecosystems
  • Collaborated with cross-functional teams (backend, QA, designers) in Agile environments
  • Optimized application performance and improved user experience across multiple large-scale projects
  • Employee of the Year 2022 (Front end) and key developer on a “Best Project of the Year” (2023)
  • React
  • Next.js
  • Vue 3
  • Nuxt
  • TypeScript
  • Tailwind CSS
Jun 2017 – Apr 2019

Front-end & Back-end Developer

TQ Design

Maintained and developed responsive websites for real estate and hospitality brands.

  • Built responsive websites using HTML5, CSS3, Bootstrap 4 and jQuery
  • Converted PSD designs into high-quality HTML/CSS templates ensuring pixel-perfect accuracy
  • Supported backend development with C# (ASP.NET) and CMS management
  • HTML5
  • CSS3
  • Bootstrap 4
  • jQuery
  • ASP.NET
  • C#
Jan 2017 – May 2017

Back-end Developer (ASP.NET)

BSD SOLUTION

Developed the Sugar Cane House Manager product for TTC Group.

  • ASP.NET
  • C#
  • SQL Server
Mar 2016 – Jan 2017

Back-end Developer (ASP.NET)

FPT Shop

Developed MVC / WebForms web applications backed by SQL Server, with responsive front-ends built on Bootstrap, HTML5/CSS3 and jQuery.

  • ASP.NET MVC
  • SQL Server
  • Bootstrap
  • jQuery
04Portfolio

Featured · 01 Best Project 2023
GMO-Z.com Runsystem · 2022 – Present

Drill — Online Exam Platform

An online examination system designed for Japanese students, with interactive quizzes, test-taking flows and real-time scoring.

  • Nuxt 3
  • Vue 3
  • Tailwind CSS
  • RESTful API
02
Brewus Group · Feb 2026 – Present

NBA Docomo — Basketball Content Platform

  • Next.js
  • React
03
Brewus Group · Feb 2026 – Present

Chicaro — Interactive Education Platform

  • Vue 3
  • React
04
GMO-Z.com Runsystem · Apr 2025 – Dec 2025

Paydar — Fintech Web Platform

  • TypeScript
  • SCSS
  • Tailwind CSS
  • +2
05
GMO-Z.com Runsystem · May 2023 – Nov 2024

SUMIKA — Loan Application Management

  • React
  • TypeScript
  • Redux Toolkit
  • +5
06
GMO-Z.com Runsystem

Chikiipay — E-wallet

  • Vue 3
  • TypeScript
  • Appium
  • +3
07
GMO-Z.com Runsystem

Metauranai — Fortune Telling Platform

  • Next.js
  • React
  • JavaScript
  • +3
08
GMO-Z.com Runsystem

RKKCS — Management System

  • Vue 2
  • Nuxt.js
  • JavaScript
  • +3
09
NHK

NHK School CMS & NHK Archives

  • Vue 2
  • Nuxt.js
  • Tailwind CSS
  • +2
10
GMO-Z.com Runsystem

RemoteWork Cloud

  • Nuxt 3
  • Vue 3
  • Tailwind CSS
  • +1
11
Chintai

ChintaiDX — Hotel Management

  • Vue 2
  • JavaScript
  • GraphQL
  • +1
12
TQ Design

Thanh Pho Caphe

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +1
13
TQ Design

Dragon Village

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +1
14
TQ Design

TQ Design

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +1
15
TQ Design

The Max

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +1
16
TQ Design

Kingdom 101

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +1
17
TQ Design

AKARI City

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +1
18
TTC Group · Jan 2017 – May 2017

Sugar Cane House Manager

  • ASP.NET
  • C#
  • SQL Server
19
FPT Shop

Viec Lam FPT Shop

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +2
20
FPT Shop

Inside FPT Shop

  • ASP.NET MVC
  • HTML5/CSS3
  • jQuery
  • +2
05Contact

Don't like forms? Send me an email. 👋

LocationHo Chi Minh City, Vietnam