Frontend Engineer · Jakarta

Frontends that load fast, stay safe, and go live.

A frontend engineer who also owns the parts around the UI (build pipelines, auth, payments), solo when a project needs it.

Portrait of Jojo., smiling
Faster.Case 01
Before: 20mAfter: 5m
CI/CD build time, before and after: −75%.Read 20 minutes to 5: less waiting, more shipping
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 storefrontShopify levelled up to Theme 2.0, with a size-chart calculator that turns measurements into the right fit.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

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About

7+ years of experience: designs in, products out, from 3D product visuals to storefronts selling in Switzerland and Singapore.

More about me
Toolkit
React · Next.js · TypeScript

Also in production: Tailwind, React Query, three.js, Shopify Liquid, Hono, Supabase, Cloudflare R2.