2024 — Now

2022 — 2024

Building XMTP - the decentralized, interoperable, end-to-end encrypted messaging protocol for the next generation of social apps.

Alongside smart coworkers:

Designed and implemented decentralization protocol for message transport and storage

Re-designed and implemented encryption protocol for Signal-level security and scalable group chats

Re-designed identity system to support multiple identities and higher security

Gave regular tech talks for the team

2021 — 2022

Seattle, Washington, United States

Part-time on session live streaming, link sharing, backend scalability.

2017 — 2021

Greater Seattle Area

Tech lead on end-to-end encryption and group video calling in Facebook Messenger.

Tech lead on Vanish Mode (end-to-end encrypted ephemeral chats) in Messenger

Tech lead on group video chat backend in Messenger

IC on end-to-end encryption protocol in Messenger

Mentored three interns who outperformed their peers and accepted full-time offers

2014 — 2017

Redmond

Grew the CodePush developer service from founding to over 20k apps as of early 2017.

Owned the storage layer, backend and REST API’s, contributed to the CLI and mobile SDK’s

Also built JavaScript diagnostic tools in Visual Studio and browser developer tools in Internet Explorer

2010 — 2013

UNSW

2010 — 2013