Jonathan Kingston

Nottingham, United Kingdom

Staff privacy engineer specialising in browser architecture, cross-platform privacy infrastructure, and AI integration.

Writing

Jotter

Notes on privacy engineering, browser architecture, AI tooling, and web standards.

Projects

Voicey

Privacy-first voice-to-text for macOS. System-wide transcription using on-device Whisper models via CoreML. All processing runs locally—voice data never leaves the device.

Swift CoreML macOS

refine.page

Chrome extension for capturing high-fidelity web page snapshots using MHTML and annotating them for labelling and review. Designed for building QA datasets, training data for RAG systems, and structured content review.

Chrome Extension MHTML

Background

CV

DuckDuckGo, Mozilla, W3C. Privacy infrastructure, browser security, and web standards work.