Justin Yong Wenn Weii

Strategy • Data Engineering • TEDx Organiser

Welcome! I'm Justin Yong (Justin Yong Wenn Weii), a Software Engineering Graduate from Sunway University (Malaysia). This e-portfolio showcases my professional journey through a blend of technical projects and personal milestones, alongside a space for creative explorations.

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Justin Yong Wenn Weii — Software Engineering Graduate

Featured Projects

Here's what I've been working on lately.

FINAL YEAR PROJECT - RE4AI Framework

A lightweight, paradigm-agnostic RE traceability framework for consumer ML web apps. It helps bidirectionally link a Requirement IDs to artefacts, and was validated on ShareLah — a social expense app with receipt OCR, expense categorisation, and spending forecast.

CORRELATION MATRIX - Investment Risk Analysis Tool

A Streamlit app that pulls Yahoo Finance prices, computes return correlations, and uses hierarchical clustering to reorder a heatmap so behaviourally similar tickers sit together, and helping surface concentration risk in a portfolio.

GRAB BUDDY - AI-Powered Merchant Dashboard & Chatbot

GrabBuddy is an AI-powered chatbot developed during UMHackathon 2025 to support Grab merchants with real-time insights, personalized recommendations, and operational alerts. It's LLM Engine is built with Mistral 7B.