John S
IOS Developer at Reddit, Inc.
Greater Seattle Area United States
Summary
👤
Senior🎓
Top SchoolJohn S is an experienced iOS developer with over a decade in mobile engineering and a 15-year software background, currently shaping Reddit's Feeds Experience to improve performance, test coverage, and developer velocity. He brings deep expertise in Swift and Objective-C from roles at Meta, The Climate Corporation, and Big Fish Games, where he led large migrations, released faster builds, and implemented robust offline sync and telemetry systems. Known for reducing release times, modernizing UX for reliability, and converting legacy modules to Swift, he blends hands-on optimization with systems-level thinking. John routinely builds developer tools and testing infrastructure, including custom monitors and experiment controls, to surface reliability signals earlier in the cycle. Based in the Greater Seattle Area, he combines mobile performance profiling and advanced debugging with a knack for quickly triaging cross-product issues—often stepping into unfamiliar areas to ship fixes and improvements.
10 years of coding experience
16 years of employment as a software developer
BS, Computer Science, BS, Computer Science at Walla Walla University
Github Skills (5)
mapkit10
map-tiles9
animated9
tiles8
ios6
Programming languages (1)
Github contributions (2)
TheClimateCorporation/TCCMapTileAnimation
Nov 2015 - Oct 2018
iOS Project to display animated map tiles within MapKit
Contributions:9 commits, 3 PRs, 3 pushes in 3 years
map-tilesmapkitios-projectanimatedmap
john-starin-climate/TCCMapTileAnimation
Jun 2018 - Oct 2018
iOS Project to display animated map tiles within MapKit
Contributions:4 PRs, 6 pushes, 3 branches in 5 months
map-tilesmapkitios-projectanimatedmap
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