Available for select opportunities 2026

Senior software engineer · HCMC

I engineerdigital productsthat ship.

I'm Huynh Hoang—a full-stack engineer focused on React Native, mobile SDKs and reliable product systems. From first architecture to store release, I turn ambitious ideas into software people use.

Huynh Hoang Quoc
8 years building products
Shipped on iOS & Android
8+Years of experience
55K+Downloads on largest app
2App stores mastered
∞Care for the details
React Native✦Next.js✦TypeScript✦Expo✦Supabase✦Node.js✦
Google Cloud✦Sentry✦NestJS✦MongoDB✦Mux✦Edge Functions✦

Selected work

Products built for the real world.

Architecture, delivery and operations—owned all the way through.

01

Travel booking platform

Holicay

Took a four-year-old web product mobile—architecting and shipping the React Native app to both stores in six months as the sole mobile engineer.

10K+ Android downloads
2.6K MAU
6-month delivery
React NativeExpo / EASNext.jsNestJSMongoDB
↗10K+ Android downloadsreal-world reach
02

Photo & video marketplace

Snap4Me

Built the mobile app, API server and admin portal end to end, including native media compression, live streaming, payments and production operations.

55K+ Android downloads
900 MAU
Built by a team of 1
React NativeNext.jsStrapiMySQLMux
Visit product
↗55K+ Android downloadsreal-world reach
03

Collectibles & lootbox app

Arntreal

Delivered the Lootbox and Affiliate experiences for a hard televised launch, then reduced backend load and improved large-screen startup performance.

3-week launch
10K+ downloads
Team of 3
React NativeExpoSupabaseEdge FunctionsSentry
Visit product
↗3-week launchreal-world reach

Earlier work · 2020 — 2023

Eight more products, shipped.

Client apps for Korea and Vietnam, built before TechZeus—most as the engineer who set up the codebase and took it to the stores.

2022 — 23Korea

Hide Me Please하이드미플리즈

NFT utility app

Wallet-based NFT ownership verification with a quest system that upgrades NFT utilities.

React NativeMetaMask SDKLaravelAWS
Mobile developer · team of 5
2022 — 23Korea

Busk Fulfillment

Cross-border logistics platform

Marketplace for overseas warehouse fulfillment, with seller, warehouse and operator portals. Led and mentored five engineers.

ReactNestJSLaravelAmazon APIPayPal
Team leader · team of 6
2022Korea

IOU아이오유

Loan contract app

Create, sign and export loan contracts, then track repayments with push and SMS reminders.

React NativeNestJSMySQLFirebase
Full-stack developer · team of 1
2022Vietnam

Hi Sim

SIM trading marketplace

Search, buy and sell phone numbers, with seller onboarding built into the app.

React NativeReactExpressMongoDB
Mobile developer · team of 3
2021 — 22Korea

Ggoomming꾸밍

Social network · Kyobo Book Centre

Photo-sharing social network with Naver, Kakao, Google and Apple sign-in and in-app purchases.

React NativeExpressMongoDBIAP
Mobile developer · team of 4
2021Korea

GameFriend겜친

Gamer matching app

Matches players who share favourite games and connects them through real-time chat.

React NativeSocket.IOAngularMongoDB
Mobile developer · team of 4
2020Korea

PONS폰스

Telehealth platform

Patient app for phone consultations, medical orders and payments, plus web consoles for hospitals, doctors and pharmacies.

React NativeAngularExpressIamport
Web & mobile developer · team of 4
2020Vietnam

KBMember v3

Loyalty app · KBVision

Loyalty programme for KBVision customers: points, promotions, prize games and in-app calling.

React NativeLaravelStringeeFirebase
Full-stack developer · team of 1

How I work

Full-stack perspective.
Mobile-first craft.

I work close to product owners and designers, translating messy constraints into clear technical decisions—and staying around to measure what happens after launch.

01

Mobile systems

React Native, native Android/iOS modules, SDK integrations, billing, IAP and store releases.

02

Product frontend

React, Next.js and TypeScript interfaces with durable component architecture and considered UX.

03

Backend & operations

APIs, webhooks, serverless functions, CI/CD and observability that hold up in production.

Experience

A career of shipping.

2023 — NOW

Lead Full-stack Developer

TechZeus · Singapore / Remote

Leading architecture and delivery across React Native, Next.js and backend systems for Holicay, Snap4Me and Arntreal.

2020 — 2023

Senior Frontend Developer

BrickMate Group Vietnam

Led a five-person team, established project foundations and mentored engineers across React and React Native products.

2019 — 2021

Full-stack Developer

FTC Joint Stock Company

Owned web and mobile features from architecture to deployment, integrating Firebase, Stringee and event-driven services.

2018 — 2020

Full-stack Developer

HAYABUSA Co., Ltd

Built cross-platform mobile products with React Native and Laravel backends.

Available for the right opportunity

Have a product that needs to ship?

Let's talk about mobile architecture, full-stack delivery or the next hard problem worth solving.