Alan Liu

About Alan Liu

Highly effective, adaptable, scalable, experienced leader with a proven record. I have…

Experience

1. Gummy Bear Safety Coordinator

   Stealth

   Nov 2022 — Present

   Leadership for Engineering Infrastructure- Chat Service - Messaging infrastructure for reliable, secure, and private communications- Registration Service - Onboarding accounts through SMS verification with heavy focus on spam and fraud mitigation- Spam Fighting Service - Privacy oriented system to automate mitigation of spam messages within the network- Group/Storage Service - Secure storage for persistent client information, without revealing data through zero-knowledge proof systems- Contact Discovery Service - Privacy driven system for users to discover each other, without revealing information to the service, utilizing a confidential computing system- Secure Key Recovery Service - System for users to store and retrieve secret information, entirely hidden from the service, utilizing a confidential computing system- Calling Service - Enabling encrypted real time communication between users and groups- Network and infrastructure support system to deliver service to hundreds of millions of users with minimal engineering support.Core Infrastructure Library- Common cryptographic primitives and infrastructure used across the system- messaging protocol, unidentified sender protocol, zero knowledge groups protocol, private username protocol, common networking protocol, media streaming protocols, service attestation protocols, etc- Real time private encrypted communications built on WebRTC