Case study · Product · SaaS
Invoicing app for small businesses
A founder had an idea and a deadline. I built the whole product, from the web app to payments and hosting, and it launched in seven weeks with paying customers in the first month.
- Role
- Solo engineer, design to launch
- Timeframe
- 2026
- Stack
- Next.js, NestJS, PostgreSQL, Paystack, AWS
- Links
- Live ↗
The short version
The problem
A founder needed a working product in front of customers before their runway ran out.
What I did
Designed and built the web app, API, payments and hosting end to end.
The result
Launched in seven weeks with paying customers in the first month.
7weeks
From first commit to launch
Production2026
Repo history, first commit to public launch
Technical deep dive
For engineers: constraints, architecture, trade-offs and what I'd do differently.
01 · Context and constraints
Placeholder. Replace with the real case study.