• Designed and led project to split Patreon’s monolithic application and database into independent services.

• Monitored and improved performance of critical payments processing during massive first-of-the-month billing load.

• Worked across engineering to establish best practices for coding and continuous testing and deployment.

• Implemented new payment gateway integration under extreme time pressure during existential threat to company.

• Coordinated disaster recovery planning for a massive data deletion attack.

• Designed and built system to manage and track secure backups across Facebook’s infrastructure.

• Designed and led development of a secure replacement for a 3rd-party identity management tool.

• Maintained and improved Facebook’s internal ACL-based authorization service and access alerting systems.

• Implemented an authentication server using Python Twisted/Autobahn to authenticate users via PAM from web app and validate user cookies from browser server based on authentication records.

• Architect / Project Lead / Scrum Master / Developer for Endpoint Security product, which provides file and network events from Windows VMs to Linux service VMs to enable agentless antivirus and other applications.