Marcus Kim
iOS Engineer & Product Builder | SwiftUI, Supabase, Firebase
Today's delivery work wasn't another feature. I rebuilt my app-building guide so the entire 40-prompt starter workbook lives inside both its PDF and EPUB. Then I checked the files, navigation, and phone reading instead of treating an upload as completion. It's a lesson I carry...
Working on DragSet involves coaching an AI coding assistant through features and bug fixes, then running QA. One failure mode I watch for is a growing pile of small patches without meaningful progress.
Working on DragSet taught me to separate intent from effect when retries happen. Cloudflare’s new CASB policies reminded me to define what a retry is allowed to do. In this beginner checklist, I cover stable request IDs, destination-side duplicate protection, and testing what to...
DragSet taught me the cost of postponing UI decisions. My work on the SwiftUI automotive app moves from a Figma spec into an implementation I run in Xcode. I learned to build views to spec early: replacing loose scaffolding later can affect behavior already wired into those views.
I built InvoiceKit with revisions, dashboard totals, detailed line items, and PDF/CSV output. That gives me a useful example when explaining how to assess a request for one additional invoice field.
