Liam's Portfolio

I build iOS & full-stack products.

Currently building my own apps.

Previously at

CoinbaseCrypto Exchange · Senior Mobile/Platform Engineer

DigitAutomated Finance Chatbot · Lead Mobile Engineer

HelloScoutAirbnb for Concierges · Founding Engineer

StartXStanford Startup Accelerator · Software Engineer

Selected Work

Yap Run Club App Store

Yap your post-run thoughts to build up a long term training journal. You control your data: audio stored on your iCloud with private transcriptions included; we help derive long term trends and meaning via smart analysis of your yaps.

marina trash App Store

Pick up one piece of trash a day with your neighbors. Snap a pic to generate a before and after story; get routed to the nearest trash can. Made with DualCameraKit.

DualCameraKit GitHub

Record from both iPhone cameras (front and back) at the same time. Open source Swift package.

dj heartbeat Retro

A weekly workout playlist powered by your heartrate data; each of your workout's heartbeats is a vote for your listens. Discover trending workout songs from others to freshen up your workout playlists. Built on Spotify and Apple Health.

Writing

iOS System Design: Design Spotify [Video] May 2026 dj heartbeat: what went well, what didn't, and what I'd do differently next time March 2026