I’m Tim, a software engineer based in London. I’ve been building software professionally since 2009. I focus on applications that put the user experience first—details matter. Current interests include zero-trust systems, mobile application security, and user privacy.

Now

Security Engineer at Meta - working on Identity & Access Management at scale, building authorization solutions for workforce and workload identities.

Altilium — an iOS app in SwiftUI that helps cardiac physiologists optimise pacemaker battery outputs.

Other projects

swift-dependency-graph — Visualize Swift package dependencies

emul8080r — Intel 8080 emulator in Swift

Euclid — Great-circle mathematics for Core Location

Bind — Lightweight reactive streams

Previously

Principal Software Engineer at Marks & Spencer — led the Identity team in modernising customer authentication, and building the internal Developer Platform to accelerate engineering productivity and increase product stability.

Otherwise

Rock climbing. Qualified Mountain Training Rock Climbing Instructor. Often found at London’s climbing walls or instructing at the Southern Sandstone.