CS & Financial Maths @ USYD | ML Systems | Search/Ranking | Backend | Data Science
Building end-to-end ML, analytics, and backend systems.
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Video Delivery Quality & Cost Analytics Platform — End-to-end analytics platform for video delivery quality, CDN cost governance, and edge capacity analysis, combining real YouTube metadata, synthetic CDN delivery logs, PostgreSQL, Python/SQL metric pipelines, A/B testing, Streamlit dashboards, and local LLM-assisted reporting
Tech: Python, SQL, PostgreSQL, Streamlit, pandas, NumPy, YouTube Data API, Bash, Ollama, A/B Testing, Bootstrap Confidence Intervals -
Airbnb Retrieval Ranking Engine — Full-stack natural-language Airbnb search system with dense semantic retrieval, structured candidate generation, and an XGBoost learned reranker
Tech: Python, FastAPI, PostgreSQL, SQLAlchemy, React, TypeScript, XGBoost, Sentence Transformers, Docker -
Geospatial Recommendation System for Site Selection — Recommendation system that ranks (area, industry) pairs to answer both “what business to open here” and “where to open this business”, using large-scale location data and spatial features
Tech: Python, PostgreSQL, SQL, XGBoost, PyTorch, FastAPI -
Regime-Aware Dynamic Asset Allocation — Multi-model quant research pipeline for market regime detection and dynamic asset allocation, combining HMM/GMM/KMeans, XGBoost, LSTM, walk-forward backtesting, and a PPO reinforcement learning prototype
Tech: Python, pandas, scikit-learn, PyTorch, XGBoost, Stable-Baselines3 -
Helmet Detection System (YOLOv8) — End-to-end computer vision pipeline covering data preprocessing, training, evaluation, error analysis, and inference service deployment
Tech: Python, PyTorch, YOLOv8, FiftyOne, FastAPI, pytest
ML / Retrieval / Analytics: Python, PyTorch, scikit-learn, XGBoost, Sentence Transformers, A/B Testing, Bootstrap Confidence Intervals
Backend / Data: FastAPI, PostgreSQL, SQLAlchemy, SQL, Docker, Git, Bash
Applications: Streamlit, React, TypeScript, FiftyOne, Ollama, YouTube Data API
Also used: C, Java, R
- Building production-style ML, analytics, and backend systems
- Interested in machine learning, search/retrieval, ranking, data science, computer vision, and backend engineering
- Email: kunda031031@gmail.com