I build ML systems directed to solving real world problems.
David is a Data Science and AI undergraduate at NTU, building toward a career at the intersection of machine learning and finance with a focus on AI agents, LLMs, and applied ML for quant and fintech.

Deepfake Guard: Multi-Signal Forensic Verification
FEATUREDA dual-branch neural network combining spatial and frequency-domain analysis to detect AI-generated video manipulation, with Grad-CAM explainability and live tracking.
PythonEfficientNet-B4PyTorchOpenCVGradio

Neural Network Recommendation Engine
FEATUREDA two-tower recommendation engine deployed to 1.6 million users on the VT Markets app, driving cross-selling and product adoption among traders through personalised instrument suggestions.
PythonPyTorchPostgreSQLBigQueryBraze