Michael Chiang Email & Phone Number

San Jose, Ca, Us

Tech lead for the Security Experiences team under the Digital Identity & Authentication organization at PayPalBuilding next-gen security experiences for 400M+ global active users, focused on maintaining a strong account security posture by implementing user-friendly authentication processes and leveraging Risk data to keep users protected from fraudulent activity and ATO vectorsDriving crucial fraud risk mitigation initiatives, maintaining regulatory compliance by satisfying SCA (strong customer authentication) requirements, and architecting modular and co-branded Risk-as a-service security experiences as part of multi-tenancy support initiatives for PayPal and its subsidiaries (Venmo, Xoom, Zettle)- Two-factor authentication enrollment & login- Stepup authentication flow- Face scan, tethered ID, card scan, and various biometric challenges- Silent network authentication via Twilio integration- Brand refresh (Quantum Leap)- Password recovery- Passwordless authentication - Passkey login & web settings enrollments- Secure recovery flows for compromised accounts- Consumer & merchant security settings- Phone confirmation

San Jose, Ca, Us

Security Experiences, Identity EngineeringAccount Recovery | Account Quality | Strong Customer Authentication- Designed & implemented new security auth challenges to provide frictionless identity verification experiences (Verify your identity via third-party API integrations Google Sign-in, WhatsApp)- Built security settings node app for consumers and merchants from 0-1, supporting major identity capabilities such as 2FA enrollment, auto login, third party permissions, and credential settings.- Led PayPal to compliance by driving device management settings project, allowing users to view device and login history to satisfy SCA PSD2 regulation requirements (EU security & privacy laws)- Innersourced multiple phone confirmation features on checkout platform to boost global phone confirmation rates by 7%, strengthening user integrity and customer reach

Previously What Tax FormMy work at SimpleForms involved collaborating directly with the CTO as a founding engineer to build out from the core MVP to help businesses simplify corporate tax compliance and streamline employee management experiences. Led multiple key initiatives to drive B2B customer growth during the startup’s seed funding round.

London, England, Gb

Took a step into web3 by moonlighting for a decentralized non-custodial liquidity protocol on Ethereum. P2P lending platform built on web3 where users can participate as depositors or borrowers and earn interest on their capital- Researched smart contract design & implementation with blockchain architects- Refactored client-side templates to React architecture