AI & product · 20 June 2026

What building PupManager taught me about AI-assisted SaaS

PupManager is a multi-tenant SaaS product I designed and built with Claude, Vue.js and Supabase. Here's what the process actually looked like.

PupManager started from a real problem: dog training businesses running bookings, classes, client records and payments across spreadsheets and paper. I set out to design and build a proper multi-tenant SaaS product for it — solo — using AI-assisted workflows.

What AI made possible

The biggest shift was how quickly I could move between roles. As a designer I'd map a flow; as a builder I'd have Claude help me reason about the data model and implementation; then back to design to adjust. The loop was tight.

What didn't change

The product still had to be right. A drag-and-drop scheduler that matches how trainers think. Registrations and payments modelled around classes, not generic ‘products’. An admin surface simple enough for non-technical owners. AI helped me build it — it didn't decide what to build.

Senior product thinking plus AI can take an idea to real, buildable software remarkably fast.

That's the model I'm most excited about: designers who understand the product deeply, using AI to ship far more than they used to.

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