Currently at SysOne Technology

Doan The Duy.

Mobile & Frontend. Engineered for impact.

Crafting high-performance mobile apps and web experiences that serve millions of users across e-commerce, enterprise, and fintech platforms.

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Doan The Duy
Get to know me

About Me.

Passionate developer crafting exceptional mobile experiences.

Doan The Duy

I'm a Mobile & Frontend Developer with 4+ years of experience building high-performance applications for e-commerce, retail, and enterprise. Currently at SysOne Technology, previously at MWG (thegioididong.com).

React NativeTypeScriptNext.js4+ Years2M+ Users

University of Information Technology

UIT — VNUHCM

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Career Path

Work Experience.

Crafting exceptional mobile experiences across leading tech companies.

SysOne Technology logo

Mobile App & Frontend Developer

Current

SysOne Technology

Jun 2025 - Present•1 yr 1 mo
React NativeReactTypeScript+6
MWG (thegioididong.com) logo

Mobile Developer

MWG (thegioididong.com)

Jun 2022 - May 2025•3 yrs
React NativeTypeScriptJavaScript+5
FADO Vietnam (Miczone Group) logo

Frontend Developer

FADO Vietnam (Miczone Group)

May 2021 - Jun 2022•1 yr 2 mos
React NativeExpoNext.js+7
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Portfolio

Selected works.

SysOne Technology

Sysone App

Full-stack enterprise platform with SSO, WebAuthn, biometric authentication, camera OCR, and real-time monitoring dashboards.

Sysone App
MWG (thegioididong.com)

Avakids App

AVAKids, a part of Mobile World Group, is a trusted app designed for parents seeking the best care for their children. Launched September 2024 with 2M+ users.

Avakids App
MWG (thegioididong.com)

Quà Tặng VIP App

Quà Tặng VIP is an application to accumulate points when customers buy products from Thegioididong, Bách Hóa XANH, and Điện Máy XANH.

Quà Tặng VIP App
MWG (thegioididong.com)

BachHoaXanh Online App

Online grocery shopping app for BachHoaXanh — one of Vietnam's largest grocery retail chains, providing a seamless mobile ordering experience.

BachHoaXanh Online App
FADO Vietnam (Miczone Group)

Fado App

Fado Mobile App allows users to order products from Amazon more easily on Android & iOS with cross-border shopping and multi-language support.

Fado App
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Tech Stack

Skills & Tools.

Technologies I work with every day to build exceptional software.

Mobile

React NativeExpoNative ModulesiOSAndroid

Frontend

ReactNext.jsVue.jsTypeScriptVite.js

State & Data

Redux ToolkitRedux SagaGraphQLApolloReact Query

Auth & Security

SSOWebAuthn / PasskeyBiometricTOTP

UI & Styling

Tailwind CSSMUIAnt DesignFramer Motion

Infra & Tools

GitCI/CDFCMSocket.ioMicro Frontend
Side Projects

Personal Projects.

Things I build in my free time to solve everyday problems.

Pomodoro Study Timer

A focused study timer with Pomodoro technique, ambient sounds, and productivity tracking — designed for deep work sessions.

ProductivityReactTimer
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Useful Dev Tools

A curated collection of everyday developer utilities — from image converters and formatters to encoders and generators — all in one place.

UtilitiesNext.jsTools
View Project
Recognition

Honors & Awards.

Celebrating achievements and contributions to impactful projects.

Top Contributing Employee
Award

Top Contributing Employee

MWG (thegioididong.com)

IT Department · Avakids Project

Contributed to the successful launch of the Avakids app in September 2024

Recognized for outstanding contributions to the team

View Full Story
Awarded: Jan 2025
Contact

Let's Work Together.

Have a project in mind? I'd love to hear about it. Let's build something amazing together.

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