Find the product constraint
Turn an ambiguous request into a problem the team can reason about and validate.
Product engineering · Technical leadership
From unclear problems to systems teams can ship.
I set technical direction, stay close to the code, and connect product intent to systems a team can operate. TypeScript is my strongest workflow. Go and other languages join when the problem asks for them.
Evidence from product to platform.
Open the work archiveMar 2026 · Team project
Shopify App Nuxt
A Nuxt 4 module for Shopify app authentication, webhooks, Polaris components, and App Bridge integration.
Mar 2026 · Team project
Shopify App TanStack React
A Shopify app starter built with React and TanStack, with authentication, webhooks, Polaris, App Bridge, and a reusable application structure.
Apr 2025 · Team project
Kecamatan Berdaya
A back-office system for Central Java administrators to manage citizen records, program delivery, documents, reporting, and access by role.
Navigate by command
A small shortcut for people who would rather type.
$ help
Try works, oss, blogs, github, email, or clear.
Decisions worth writing down.
Read every noteWhy using Nuxt.js?
How our team moved a growing jQuery dashboard to Nuxt, ran both systems in parallel, and made Nuxt the default for most new frontend work.
Why yan.ad?
Why I chose yan.ad for this portfolio, how it compares with earlier domains, and where the site and email are hosted.
Working through a difficult technical problem?
Send the problem, the constraints, and what is blocked. I’ll reply from me@yan.ad.