guest@mattmayo:~$ whoami

MATT_MAYO
Senior Engineering Manager // Palo Alto, CA
guest@mattmayo:~$ cat bio.txt
I build and lead engineering teams that ship fraud detection and infrastructure systems at scale — from BNPL fraud platforms to globally distributed engineering orgs spanning multiple clouds. I stay hands-on: designing systems, reviewing code, and working directly alongside the teams I lead.
guest@mattmayo:~$ open linkedin.lnk
guest@mattmayo:~$ ls -la experience/
guest@mattmayo:~$ cat experience/drumwave.txt
Started as a technical lead on a single 3-engineer team, then moved into managing two teams totaling 13 developers. Leading the build of the core consumer and business experience from 0 to 1.
guest@mattmayo:~$ cat experience/hipcamp.txt
Led globally distributed Host experience engineering teams across the US and UK, spanning 3 teams, 10 engineers, and 2 managers. Shipped a new checkout experience and new tooling and integrations for professional campgrounds, including an updated data model to support it. Promoted 2 engineers and moved one into management.
guest@mattmayo:~$ cat experience/affirm.txt
Led fraud detection for buy now, pay later loans; launched fraud systems into new markets including Australia. Grew the team from 5 to 11 while increasing diversity.
guest@mattmayo:~$ cat experience/carta.txt
Led internal tools and a globally distributed team spanning San Francisco, Toronto, Brazil, and Belarus, including remote hiring and ramp-up across multiple contracting groups. Drove technical design across billing and contract-generation systems.
guest@mattmayo:~$ cat experience/ebay.txt
Owned a full-stack domain end to end, from data storage through back-end services to front end, deployed on Google Cloud. Led a specialized web shopping experience for the China market and helped set the bar for front-end hiring org-wide.
guest@mattmayo:~$ cat experience/fivestars.txt
Took the FiveStars iOS app from solo project to a team effort, shipping an industry-first check-in experience using Apple's iBeacon framework. Brought the app from a 1-star to 4+ star rating while holding a 99.9% crash-free rate.
guest@mattmayo:~$ cat experience/paypal.txt
Led a team of nine engineers to re-platform PayPal's customer-facing reporting infrastructure onto a multi-data-center design serving a 100M+ customer base.
guest@mattmayo:~$