Available for Full-Time Opportunities

Software Engineer crafting reliable systems.

Hi, I’m Lee Jung Yan. I engineer intelligent ETL pipelines, enterprise integration hubs, and responsive full-stack applications from Ipoh, Malaysia.

Ipoh, Perak, Malaysia•Solutions & Architecture

GitHub LinkedIn Resume

Featured Projects

Selected production systems & applications

Snap2Summon

AI Vision Mobile Enforcement Assistant

An AI-powered mobile application that automatically detects vehicle details and license plates via computer vision, pre-filling digital summon forms to accelerate law enforcement workflows.

FlutterFastAPIRiverpodLangChainGenAI

Source

DineFlow POS

Real-Time Restaurant & Kitchen Execution Suite

A full-stack point-of-sale platform featuring real-time table state synchronization, instant kitchen display ticket dispatching, and automated sales reporting.

React 19TypeScriptFastAPITailwind CSS

Source

MathZap

High-Velocity Arithmetic Assessment Web App

Interactive math trainer featuring zero-latency reactive state management, rapid-fire timed arithmetic challenges, and instant performance metrics.

ReactTypeScriptTailwind CSSVercel

Live Demo Source

Personal Engineering Portfolio

High-Performance Portfolio & Architecture Showcase

Minimalist, typography-driven portfolio crafted with Next.js App Router, React 19, Motion, and Tailwind CSS v4, built for sub-second mobile load times.

Next.jsReact 19TypeScriptMotionTailwind v4

Live Demo Source

Work Experience

Proven engineering track record

Solution Developer

Eastern Decorator

Apr 2026 — Present

Enterprise solutions engineering focused on automated ETL workflows, document OCR processing, system integrations, and custom Model Context Protocol (MCP) server implementations.

Architected high-throughput data extraction and ETL workflows with Python, Pandas, and FastAPI connecting internal ERP and business operations.
Engineered production OCR pipelines automating structured data capture from invoices and supply chain records.
Built and deployed custom Model Context Protocol (MCP) servers and tools, enabling LLMs and AI agent integrations across internal databases.

PythonFastAPIPandasETLOCRMCPRabbitMQSQLLinuxBash

Software Engineer

Yell Research

Dec 2025 — Mar 2026

Full-stack software engineering in a fast-paced agency environment, delivering scalable web features, tuning API throughput, and deploying cloud services.

Architected responsive full-stack features using PHP, Express, and React to meet rapid client delivery schedules.
Configured and maintained Envoy proxy gateways and optimized backend request pipelines for high-traffic endpoints.
Collaborated on Azure DevOps automated continuous integration and deployment workflows.

PHPExpressReactTypeScriptEnvoyAzure DevOps

Software Engineer

Polyware Sdn Bhd

Jun 2023 — Dec 2025

Core enterprise ERP engineering focused on manufacturing workflow automation, custom operational modules, and relational database optimization.

Engineered end-to-end ERP modules automating procurement cycles, manufacturing scheduling, and inventory audits.
Replaced manual paper-based processes with reactive Laravel, Livewire, and Vue interfaces, boosting departmental productivity.
Tuned high-volume MySQL queries and transaction schemas hosted on AWS EC2 and RDS instances.

LaravelLivewireVue.jsInertiaMySQLAWS

Skills & Technologies

Languages, frameworks, protocols & infrastructure

AI, LLM & Data

MCP

LangChain

LangGraph

Python

FastAPI

Pandas

OCR

Backend & Systems

PHP

Laravel

NestJS

RabbitMQ

Java

Livewire

Express

MySQL / SQL

MongoDB

Frontend & Mobile

React

React Native

Next.js

TypeScript

JavaScript

Vue.js

Flutter

Inertia.js

Alpine.js

jQuery

Tailwind CSS

DevOps & Cloud

Linux

Bash

Docker

AWS

Azure DevOps

Envoy Proxy

Enterprise & Automation

Playwright

Selenium

VBA

Office.js

Let’s build something great together.

I’m always open to discussing new engineering opportunities, enterprise architecture, or innovative web and mobile applications.

Connect on LinkedIn ↗