● Work
Built and shipped.
The notebook
Work
The things I've shipped: side projects, tools, and infrastructure I run in production. Live links and source where they exist.
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Projects
The shipped record.
FormRecap Form abandonment recovery for the rest of us. Captures partial submissions in real-time and sends magic-link recovery emails that restore the user's exact form state. 100% Cloudflare-native. Cloudflare Workers · Durable Objects · D1 Skopia Privacy-first web analytics you self-host on your own Cloudflare account. Cookieless visitor identity from a daily-rotating HMAC, exact rollups written by a Durable Object, and a 554-byte tracker, all on the free tier. Cloudflare Workers · Durable Objects · Workers Analytics Engine The Goblin's Game Parlour A Cloudflare-native RAG app that answers tabletop rules questions from the actual rulebook, with every ruling grounded in the text and cited so you can check it. Hybrid retrieval, cross-encoder reranking, and a prompt-injection eval, all on Workers AI. Cloudflare Workers · Agents SDK · Durable Objects FormRecap LoRA Classifier 7 LoRA adapters across 4 model families for form abandonment classification. The best fine-tune hit F1 = 0.96 on a 6-class task where every general-purpose baseline scored 0.06. Dual-deployed on Modal for power and Cloudflare Workers AI for production inference. Llama 3.2 3B · Gemma 2B · QLoRA / DoRA pipespy A real-time pipeline debugger for the terminal, built in Rust. Drop it into any shell pipeline to see throughput, record samples, and format detection — without touching your data. Rust · ratatui · crossterm Cloudflare Terraform Infrastructure-as-code for my entire Cloudflare account. 8 domains, DNS, Workers KV, D1, Queues, R2, Vectorize, and AI Gateway — all managed via Terraform with zero secrets on disk. Terraform · Cloudflare · 1Password CLI Sort Algorithms Interactive visualiser for 25+ sorting algorithms with animated bars, step-by-step pseudocode highlighting, and sound mode. Built because time complexity isn't theoretical when you're processing 100k pages. React 19 · Vite · Motion My Next Public Holiday Find your next public holiday and optimise your leave for maximum time off. Supports 100+ countries with automatic location detection and a leave optimizer that maximises consecutive days off. React 19 · TypeScript · Vite jasonmatthew.dev This site. A personal portfolio and blog built with Astro 5, Tailwind CSS v4, and MDX in a Turborepo monorepo. Deployed on Cloudflare Pages. Astro 5 · Tailwind CSS v4 · MDX