Built elixir-opentui, an open-source terminal UI framework for Elixir with a high-performance Zig NIF backend - Elm-inspired architecture, a declarative View DSL, and 15+ widgets. Built agent-simple-english, a deterministic ASD-STE100 linter with one Engine, one CLI, and adapters for pi and Claude Code. Built pi-ask-user-question, a pi TUI extension that lets agents ask structured 1-4 question decisions with multi-select and Other support. Prepare for the Certified Kubernetes Administrator (CKA) exam alongside it.
Shipped the real-time business platform at business.uchat.social - 500+ companies running B2C conversations, 100k+ customer messages a day - across a React + TypeScript frontend and a FastAPI backend on Kubernetes. Built the strongly-typed UI component system the platform is assembled from, load-tested the chat service to 100k concurrent connections ahead of traffic growth, and shaped feature scope with product and design.
Led 2 frontend engineers to ship the MVP of a corporate hotel booking platform in 4 months, from empty repo to launch. Established the Next.js + TypeScript codebase from scratch, mentored 2 engineers onto it, and drove architecture decisions with product and design.
Built the React + FastAPI liquidity mining platform for Hummingbot, the open-source market-making framework - used by ~1,000 bot operators facilitating ~$100k in daily trading volume. Built and published @hummingbot/hbui, the Hummingbot design system, with design tokens synced from Figma into a Tailwind + React package used across the organisation's frontends. Fixed memory leaks that exhausted 8 GB machines within hours (~90% less steady-state memory), halved CI build times, and integrated MetaMask and Tezos wallets.
Built an Electron point-of-sale system from scratch for a 30-store nationwide supermarket chain - cashier UI, transaction flows, e-wallet payments - plus an over-the-air update pipeline so in-store terminals update automatically without on-site visits.
Built and operated the tracking dashboard covering 500+ trucks and buses on the Austracker platform. Led deduplication of multi-million-row GPS data, removing ~25% duplicate records that fed customer reports.