Proving every card transaction is accounted for
Technical reconciliation for Lynx, PayPal's in-house card processing platform. An hourly job on the happy path, and an event-driven rerun for any hour that receives late records.
Work
The first two are from employers, PayPal and Amazon. They use only the figures on my resume and describe design decisions. The last two are my own, so the numbers go deeper.
Technical reconciliation for Lynx, PayPal's in-house card processing platform. An hourly job on the happy path, and an event-driven rerun for any hour that receives late records.
I owned the telemetry pipeline and client library for the delivery associate app while its fleet grew from 70K+ associates to about 1M registered. I re-architected both, and moved live traffic with old and new running in parallel.
A reading-order catalogue for book series, more than 68,000 pages, that I built and run end to end. Its LLM pipeline writes nothing when a page has no usable source, and my rule is that each class of bug that ships gets a check in the deploy gate.
I direct AI coding agents. I give them a written bar and a separate reviewer, and I'm trying out a local model for the mechanical work. Most of my code is written this way.
Remote in the US, or hybrid in Austin, Texas. LinkedIn is the fastest way to reach me.