Hoai Tran

00.About Me

I'm a passionate Senior Full-Stack Developer with 5+ years of experience building modern web applications. My journey started with curiosity about how websites work, and it evolved into a deep love for creating clean, efficient, and scalable solutions.

ReactNext.jsVueTypeScriptNode.jsC#/.NETPythonPostgreSQLMongoDBAWSDocker

01.Work Experience

~/career/experience

1import { Developer } from "@/career";

3// INS-ENCO Ltd. — Germany

4const role: Role = {

5position: "Frontend → Sr. Full Stack Developer",

6duration: "Jun 2020 — Feb 2026",

7type: "Full-time",

8};

10// What I do

11const responsibilities = [

12"Promoted from Frontend to Sr. Full Stack Developer within 2 years",

13"Architected 1M+ row MySQL databases with indexing, partitioning & query optimization",

14"Engineered event-driven microservices with RabbitMQ achieving sub-100ms latency",

15"Reduced frontend bundle size ~30% via code splitting, lazy loading & SSR/ISR",

16"Integrated Sentry for error tracking, reducing production bugs by 35%",

17"Led frontend development and proactively suggested features to improve UX",

18];

20/**

21 * @achievements

22 * ★Built frontend from scratch — launched successfully without AI tools

23 * ★Promoted to core team member with architectural decision authority

24 * ★Established CI/CD pipelines and automated testing standards

25 */

27const stack: Stack = {

28Frontend: ["React", "Vue", "SSR/ISR"],

29Backend: [".NET", "Nest.js", "Express.js", "Microservices", "RabbitMQ"],

30Database: ["MySQL", "Redis"],

31DevOps: ["Docker", "GitHub Actions", "GitLab Runner", "Sentry"],

32Testing: ["Cypress", "Jest", "NUnit Unit Testing"],

33Other: ["Jira", "Agile/Scrum"]

34};

TypeScript ReactUTF-8

19 dependenciesLn 1, Col 1

02.Some Things I've Built

A showcase of enterprise-grade applications and innovative solutions that have driven real business impact and served thousands of users worldwide.

1 / 5

Featured Project

Enterprise

Copy Trade Market

Sr. Full Stack Developer

Enterprise-grade fintech platform serving 1,000+ active traders with real-time copy trading capabilities. Built event-driven microservices with TCP/RabbitMQ for sub-100ms trade execution. Achieved ~65% faster chart renders through virtualization and memoization, and 40% faster redesign cycles with a modular component library. Integrated real-time WebSocket feeds for live market data.

1,000+ Active Traders

$6M+ Trading Volume

~65% Faster Chart Renders

40% Faster Redesigns

React.js

WebSocket

.NET

Micro Service

RabbitMQ

MT4 API

MySQL

Redis

Cypress

NUnit

GitLab Runner

1 / 8

Featured Project

Professional

Nart Tech

Sr. Full Stack Developer

E-commerce platform specializing in technology products for the Vietnamese market. Built with Zustand for lightweight state management and shadcn/ui for a consistent design system. Powered by NestJS microservices with TanStack Query for optimistic updates and cache invalidation. Features full-text product search via Elasticsearch, Logstash for DB-to-search sync, and asynchronous communication through RabbitMQ. Deployed on AWS with EC2 and RDS for high availability.

Microservices

Elasticsearch-Powered

React

TanStack

Zustand

shadcn/ui

Nest.js

Microservices

MySQL

PostgreSQL

Redis

RabbitMQ

EC2

RDS

Elasticsearch

Logstash

1 / 5

Featured Project

Enterprise

SAP

Sr. Frontend Engineer

Professional trading analytics platform providing real-time arbitrage opportunities across 50+ brokers. Architected master-replica MySQL databases for read/write separation. Implemented TanStack Table virtualization achieving 60fps rendering on 10k+ row datasets. Used React Profiler to eliminate unnecessary re-renders, reducing API calls by ~70%.

60fps Virtualized Tables

~70% Fewer API Calls

Next.js

TanStack Table

React Query

.NET

Micro Service

MT4 API

MySQL

Redis

RabbitMQ

Virtualization

Master-Replica DB

1 / 3

Featured Project

Enterprise

YesWeBook

Full Stack Developer

Industry-leading CRM solution transforming Vietnam's beauty sector with 500+ salons onboarded. Delivered measurable ROI through Google Maps integration, intelligent scheduling, and automated customer engagement, resulting in 40% booking increase and 30% improved retention rates.

+40% Online Bookings

+30% Customer Retention

React.js

Laravel

Mysql

Redis

Google Maps API

SMS Gateway

Email Service

IoT SaaS Apartment Management screenshot 1

Featured Project

Enterprise

IoT SaaS Apartment Management

Sr. Backend Developer

Multi-tenant SaaS platform for smart apartment management with IoT integration. Architected tenant data isolation through Row-Level Security (RLS) and complex RBAC policies using Supabase and PostgreSQL. Leveraged Supabase Realtime to deliver live data from smart electric and water meters, and implemented Cron jobs for automated utility tracking, invoice generation, and billing. Built scalable backend services using Nest.js and Deno Edge Functions to handle complex business logic.

Multi-Tenant RLS

Live IoT Metering

Nest.js

Deno Edge Functions

Cron Jobs

Supabase

PostgreSQL

RLS & RBAC

Multi-Tenant

Realtime

IoT Integration

1 / 4

Featured Project

Enterprise

Colio

Sr. Full Stack Developer

Professional photo management and sharing platform built with modern web technologies. Features secure cloud storage with AWS S3, intuitive gallery management, and seamless photo organization capabilities. Delivers fast performance and scalable architecture for efficient media handling.

AWS S3 Integration

Optimized Media Delivery

React.js

Supabase

RESTful API

PostgreSQL

AWS S3

1 / 3

Featured Project

Professional

ArchieMl

Frontend Developer

AI-powered product safety analysis platform that lets users upload product photos to receive instant safety scores across categories like chemical toxicity, choking risk, allergens, and kid/pet safety. Built with Next.js and optimized for SEO with dynamic Open Graph metadata for rich link previews when sharing analysis results, driving organic traffic and social engagement.

AI Safety Scoring

Dynamic OG Metadata

Next.js

React.js

Firebase

PostgreSQL

SEO

Open Graph

1 / 7

Featured Project

Professional

iResume

Frontend Developer

AGI-powered resume platform that shapes the future of Artificial General Intelligence recruitment. Features AI skills profiling with ranked competency visualization, multi-step onboarding, and mutual colleague networking. Built with Next.js for server-side rendering and SEO optimization, leveraging dynamic metadata and Open Graph tags to enable rich, shareable profile links across social platforms.

AGI Skills Profiling

Colleague Matching

Next.js

React.js

Firebase

SEO

Open Graph

1 / 5

Featured Project

Enterprise

CloutHub

Frontend Developer

A modern social networking platform where people connect and share content. Built features like real-time messaging, content feeds, and user profiles to help people build meaningful relationships and stay connected with their communities.

React.js

Tailwind CSS

Node.js

GraphQL

MongoDB

Real-time Systems

AI Integration

03.What People Say

Feedback from clients and collaborators who have worked with me on various projects.

“One of the best front-end developers on this platform. Adds value to every project, takes initiative. Already working on other project.”

Danny

Client

“Hoai is a great developer who is able to debug well and get the code working. I highly recommend him”

An lih

Client

“React Component with Storybook+Cypress tests quickly developed by Hoai. Nx build system and Jests tests, too.”

Paul Hammant

Client

“Great job - very thorough, efficient, hard working. Good experience with Vue.js. Thanks a lot for your help.”

Terasa Truda

Client

“Works at his own pace, I would say if I wasn't in a rush and if he could work full time, I would continue to work with him. He is a good developer.”

Uzodimma Chiapa

Client

04.Blog

Thoughts on architecture, engineering patterns, and lessons learned from building production systems.

Micro Frontend Architecture: Breaking Monoliths into Scalable UI

A deep dive into Micro Frontend architecture — how to split a monolithic frontend into independently deployable modules using Module Federation, single-spa, and modern patterns.

Mar 10, 202612 min read

Read

04.What's Next?

Get In Touch

I'm always open to new opportunities and exciting projects. Whether you need a reliable developer for your team or want to bring an idea to life, let's connect and make it happen.

Say Hello

Sr.Full stack developer

00.About Me

01.Work Experience

02.Some Things I've Built

03.What People Say

04.Blog

Micro Frontend Architecture: Breaking Monoliths into Scalable UI

Get In Touch