Writing
Essays on software, accounting, and the systems that connect them.
- Development & accounting
When a retry becomes a second transaction
The difference between receiving an event twice and posting money twice—and how to design the boundary between them.
- Development
A fast website has to survive the second click
How to investigate performance beyond a Lighthouse score, using a real user journey, browser traces, and explicit tradeoffs.
- Business & technology
Build, buy, or keep the spreadsheet?
A costed decision framework for replacing a business workflow—including the integration, exception handling, and maintenance the demo leaves out.
- Accounting & systems
The bank deposit is not your revenue
How to reconcile sales, refunds, fees, and unsettled funds without turning a payment integration into a bookkeeping problem.
- Accounting
Your business made money. Where did the cash go?
A worked example of how a profitable month drains a bank account—and how to find the decision behind the difference.