Sophie Ngo

Projects & Case Studies

A curated collection of my work spanning software engineering, machine learning, IT, and data analytics. Each project page goes into the problem, my approach, and the measurable outcome.

AllSoftware EngineeringMachine LearningITAnalytics
FeedbackLense dashboard view
Software EngineeringTeam project

FeedbackLense - Internal Survey System

Full-stack survey analytics platform with AI sentiment analysis, keyword extraction, and PDF reporting.

Node.jsExpress.jsMongoDBMongoose
Model performance comparison
Machine LearningITIndividual project

Intrusion Detection - Comparative ML Study

Compared 7 classification algorithms for network intrusion detection, reaching 90% accuracy with Random Forest and DNN.

PythonScikit-learnTensorFlow / KerasPandas
Lua Vang homepage hero section
Software EngineeringITIndividual project

Lua Vang - Business Website

Bilingual, responsive website for a rice seed supplier connecting Vietnamese farms with global markets.

HTML5CSS3JavaScriptBootstrap 5
HeartCare AI platform proposal
Machine LearningAnalyticsTeam project

HeartCare AI - Cardiac Arrhythmia Detection

Automated data pipeline processing 650k+ ECG records for an AI-powered heartbeat detection platform proposal.

PythonPandasNumPyCanva
UNDP dashboard overview
AnalyticsTeam project

Multidimensional Data Visualization - UNDP Sustainability Data

Interactive dashboard comparing GDP, HDI, and CO₂ emissions across 100+ countries.

TableauTableauPython
DataBytes x DiscountMate leadership presentation cover
Software EngineeringAnalyticsTeam of 43

DiscountMate - Grocery Price Intelligence Platform

Live grocery price comparison platform for Australian shoppers - led the cross-functional delivery team from data pipeline to production deployment.

DuckDBSQLPostgreSQLDocker
ZenTra pitch deck title slide
Software EngineeringTeam of 6

ZenTra - Financial Budgeting and Expense Tracking App

Mobile-first budgeting app pitch helping individuals and couples manage shared expenses with AI-guided nudges.

FigmaCanvaUI/UX DesignMarket Research
SafeRoute AI pitch title slide
Machine LearningIndividual project

SafeRoute AI - Real-Time Road Crash Risk Prediction

Research pitch for a CNN-XGBoost ensemble that forecasts road crash risk across Melbourne Metro in real time.

PythonCNNXGBoostVicRoads Open Data
Database Fundamentals - relational schema and PL/SQL trigger
ITIndividual project

Database Fundamentals - Relational Design & PL/SQL Portfolio

High Distinction portfolio covering ER modelling, normalisation, multi-table SQL and PL/SQL procedural programming across MySQL and Oracle.

MySQLOracle DatabasePL/SQLSQL
Data Wrangling - Python pipeline code and data flow
AnalyticsIndividual project

Data Wrangling - End-to-End Python Data Pipelines

High Distinction portfolio applying Python data-wrangling workflows - extraction, cleaning, validation and communication - across realistic datasets.

PythonPandasNumPyData Validation
Autonomous vehicle use-case diagram
Software EngineeringIndividual project

Safety-Critical Requirements Research - Autonomous Vehicles

Research project applying risk-based requirement analysis (FTA, FMEA, STPA) to improve safety assurance in self-driving cars.

Fault Tree AnalysisFMEASTPAUML (Use-Case & Activity Diagrams)
Melbourne Housing Price Predictor Streamlit app form
Machine LearningAnalyticsIndividual project

Melbourne Housing Price Predictor

Interactive Streamlit app estimating sold house prices for Ringwood, Bayswater and Nunawading using a Ridge regression model.

PythonPandasScikit-learnRidge Regression