Ketikaria: a typing game for kids who can't read yet
A browser typing game for ages 4 to 10, including children who can't read. Every instruction has a voice, every key is a big target, and there's no way to fail.
ReadFrontend Engineer · Jakarta · 7+ years
I make frontends faster and safer — and I can ship them alone.
Faster.Case 01
Before: 20mAfter: 5m
CI/CD build time, before and after: −75%.Read Cutting CI/CD from 20 minutes to 5
Safer.Case 02
XSSCSRFtoken replay
Three attack paths, each closed with a specific control.Read Hardening auth on the frontend
Shipped.Case 03
1month, 1 dev
Brief to live, one developer, across time zones.Read A Swiss storefront, solo, in one month
Also shipped
All work- 2025Singapore lingerie storefrontSolo Shopify build with an interactive size-chart calculator.Client
- 2025Custom CMSReact front end on Supabase and Cloudflare R2.Product
- 2025Resume EditorAI-assisted resume builder.Side project
- 2023—3D product visualsGLTF scenes on an event-driven architecture at the agency.Work
Latest stories
All stories
Shipping · 2 min read
AI workflow · 2 min read
A second brain that updates itself
My notes went stale because writing them was a chore. Now a hook spots what changed in each coding session, and an agent writes it into the vault, with no model call until there's something worth saying.
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Performance · 2 min read
The cookie-free Supabase client
On a public Next.js site, one cookies() call made every page dynamic, so every visit ran a function. The fix is a client that never asks for cookies, plus caching by page type.
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