trahoangdev
Matrix Archive

Project Hypergrid

Selected builds across frontend, backend, product engineering, and applied AI—paired with the tools used to ship them.

Personal Projects

DocuFlow AI - Serverless Intelligent Invoice & Receipt Processing Platform on AWS

5 Members
RoleProject Leader / Integration Owner

Serverless, event-driven platform that securely processes PDF, JPG, and PNG invoices and receipts. Amazon Textract extracts financial data, an AI proxy normalizes the result, and low-confidence documents are routed through a human review workflow.

React 18TypeScriptAWS SAMAmazon S3AWS LambdaStep FunctionsAmazon TextractDynamoDBEventBridgeAmazon SQSAmazon Cognito
DocuFlow AI - Serverless Intelligent Invoice & Receipt Processing Platform on AWS

VALSEA Classroom Copilot

1 Members
RoleSolo Builder

Speech-first classroom copilot for Vietnamese–English code-switching lectures. Realtime mic → VALSEA ASR → structured notes, key terms, English recap, quizzes, exports, and session history.

Next.jsTypeScriptFastifyWebSocketRealtime ASRVALSEASupabase (optional)
VALSEA Classroom Copilot

TAIKHOANXIN

2 Members
RoleCo-founder & Frontend Developer

A digital access marketplace offering affordable licensed accounts through fast purchasing flows, streamlined product discovery, and dedicated customer-facing and admin experiences.

Next.js 14TypeScriptTailwind CSSAnt DesignSCSSRedux Toolkit Redux PersistAxiosSWR
TAIKHOANXIN

LUXE WEAR AI

3 Members
RoleOwner & Frontend Developer

SaaS platforms enable businesses to build, deploy, and manage AI agents. The system supports real-time data integration, performs actions across third-party systems, and provides detailed analytical reporting.

Next.js 14TypeScriptGeminiAITailwind CSSVector DBRedisSupabasePincodeShadcn UIZustandSaaS
LUXE WEAR AI

DevOrbit - Blog Platform

1 Members
RoleOwner

An open-source blog platform designed for developers. Features MDX support, syntax highlighting, dark mode, and a highly optimized reading experience.

Next.js 14TypeScriptTailwind CSSShadcn UIContentlayerMDXVercel
DevOrbit - Blog Platform

Personal Portfolio

1 Members
RoleOwner

A modern, high-performance portfolio built with Next.js 16 and Tailwind CSS 4. Features a matrix-themed design, interactive particles background, and seamless animations.

Next.js 16Tailwind CSS 4TypeScriptShadcn UISentryRedis
Personal Portfolio
Tool Stack

Matrix Arsenal

Explore the core tools powering each build. Hover to reveal micro-notes and see how the stack flexes across frontend, backend, data, and daily drivers.

Frontend

5 tools
JavaScript

Core language for interactive web experiences and modern tooling.

Next.js

App router, streaming server components, and edge-first mindset.

React

Component-driven UI architecture and concurrent rendering.

Tailwind CSS

Design system tokens with utility-first ergonomics.

TypeScript

Type-safe patterns, generics, and domain modelling.

Backend

3 tools
Express.js

Minimal and flexible Node.js web framework for APIs and middleware.

NestJS

Progressive framework for scalable, enterprise-grade server-side apps.

Node.js

Lightweight APIs, automation scripts, and platform tooling.

SQL

2 tools
MySQL

The world's most popular open-source database.

PostgreSQL

Relational backbone with JSON support and materialized views.

App

4 tools
Docker

Container workflows, reproducible environments, and CI.

Figma

The standard for interface design and prototyping.

GitHub

Collaboration, reviews, and open-source presence.

VS Code

Daily driver editor tuned for rapid experimentation.

NoSQL

3 tools
MongoDB

Document-based database for flexible schema and scalability.

Redis

In-memory data store for caching, sessions, and real-time analytics.

Supabase

Open source Firebase alternative. Postgres, Auth, Realtime.

Platform

2 tools
Railway

Instant deployments, managed databases, and effortless scaling.

Vercel

Edge-first deployment platform with instant previews and analytics.