financial-planner
Income-vs-lifestyle timeline planner with JSON import/export, CSV export, and optional capital-tracking rows.
Malaysia · build in public
Loh Zi Jian
software engineer & builder
I build software across the stack and the infrastructure underneath it — from real-time communication systems to small self-started products. This site is my build-in-public home: project logs, engineering notes, and the documented revival of a long-tested trading strategy.
Featured projects4
all projects →whattochoose
Can't decide? Let cute themed simulations decide for you — horse racing, fortune cookies, fortune-telling sticks, and more.
dealscout-ai
Cross-platform Flutter app that aggregates e-commerce deals across Shopee and Lazada (Malaysia) with an LLM chat for comparing them.
Manifest-driven CLI that centralizes management of OpenCode extensions.
Latest posts3
all posts →Reviving a ten-year-old trading strategy
Re-validating an old forex strategy with modern tooling before trusting it with real capital. High-level only — no parameters, no numbers, no promises.
Shipping small: a financial planner for my own life
Why I built an income-vs-lifestyle timeline planner for myself, and why shipping small unpolished tools beats polishing in private.
Hello, world. Building in public.
Why this site exists: small products, engineering notes, and a documented trading-strategy revival.