01
Challenge
Existing expense trackers are either too corporate or too toy. I wanted a fast, keyboard-friendly personal-finance tool that still felt like a real product, auth, realtime, and all.
All work
11Vertex2025
- Role
- Lead Engineer · Full stack
- Team
- 11Vertex
- Client
- 11Vertex
- Domain
- Personal Finance · Expense SaaS
Overview
Finance & expense SaaS, Next.js + Supabase, end-to-end product engineering.
02
Approach
Built end-to-end on Next.js + Supabase: auth, realtime updates, row-level security, and a tight UI for adding and categorising expenses. Shipped public in weeks, not months.
03
Outcome
Production SaaS with schema, UI, auth, and infrastructure delivered end-to-end.
What I built
The shipped surface.
04 features
- 01Magic-link + social auth via Supabase
- 02Realtime expense stream across devices
- 03Row-level security for multi-account isolation
- 04Quick-add keyboard flow for daily logging
Stack
Next.jsSupabaseTailwind CSSTypeScript
- Production deployment
- Next.js + Supabase realtime & auth