Lead full-stack software engineer. Payments, web performance and observability. Remote with U.S. teams since 2016.https://ricardohernandez.dev/enhttps://ricardohernandez.dev/writing/affiliate-fraud/https://ricardohernandez.dev/writing/affiliate-fraud/How a CLS spike led me to popunders in our affiliate program, then to publishers buying their own Google Ads: the data I crossed, the keys that join it, the signals and the checks to run.Mon, 05 Oct 2026 00:00:00 GMT