Engineering
Production ML and systems work.
- Performance Cost Estimation for Tracker Domains via Multi-Target Regression and Uncertainty Quantification Multi-output XGBoost with conformal prediction over 12.7M rows. ONNX inference in Firefox. Shipped to 250M users. Paper submitting to IMC.
- Firefox Privacy Metrics Widget Shipped component + service for surfacing per-user privacy state. Part of the Nova redesign.
- Android ETP Pipeline and Privacy Alignment Strict-mode tracker-blocking parity between desktop and Android. Sphinx docs extension, private-browsing cells.
- SmartBlock Embed Preservation Lightweight shims that keep embeds functional while blocking their trackers.
- Copy Clean Link: Stripping Tracking Parameters at the Browser Level
- PythonTA: Static Analysis for Introductory CS Type-checking and contract-checking tooling used by 10k+ UofT students.
Technical Notes
Course material and reference derivations.
- Machine Learning: Full Course Notes
- Retrieval-Augmented Generation
- Fine-Tuning and Parameter-Efficient Methods
- ML Systems Design
- Linear Algebra: Transformations to Portfolio Optimization
- Portfolio Optimization via Linear Algebra
- Statistics: Inference and the Linear Model
- Data Structures and Algorithms
- Full-Stack Interview Cheatsheet
- Design Patterns
Essays
Longer-form writing on systems, institutions, and historical case studies.
- The Durak is Dead! Long Live the Durak!
- Endogenous Reform Destruction and Recursive Institutional Failure in the Soviet Economic System
- Discontinuous Utility and the Jutland Paradox
- The Feeling You Can't Verify: Napoleon, Tukhachevsky, and Bonapartism
- Coordination Without Authority: Zhang Zuolin and the Fengtian Clique
- Overfitting
- The McNamara Fallacy
- Breakthrough Tactics
- Why CS
Reading
Books I've finished and have notes on.