John Hammerlund
Software Engineer at Nextdoor
Fresno, California, United States
Summary
👤
Senior🎓
Top SchoolJohn Hammerlund is a mobile-first software engineer with 13 years of professional experience building products from startup prototypes to large-scale enterprise iOS apps. Passionate about teaching and continuous learning, he brings deep expertise in software design and architecture, championing SOLID, IoC, and BDD to produce maintainable, testable systems. His career includes leading iOS efforts at MINDBODY, senior mobile engineering at AuthenticID, and current platform work at Nextdoor, underpinning a track record of delivering customer-facing mobile experiences. He views architecture as a human-centered practice—solving team and user problems as much as technical ones—and prioritizes strong, trusting teams to make that possible. Based in Fresno, CA, John began mobile development in high school and combines that long-running practical curiosity with a disciplined, architecture-first mindset.
13 years of coding experience
10 years of employment as a software developer
Cuesta College
Stackoverflow
2,715reputation
417kreached
56answers
2questions
hyperlink
top-1%
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top-5%
Github Skills (80)
md510
linting10
ios-framework10
linux10
swift-package-manager10
aes-gcm10
swift10
hyperlink10
continuous-integration10
oauth2-client10
digest10
android-app10
aes10
swift-package10
swift-framework10
Programming languages (8)
Github contributions (5)
johnhammerlund/CocoaLumberjack
Jun 2016 - May 2018
Contributions:6 releases, 4 pushes, 3 branches in 1 year 11 months
simple-yet-powerfullogginglogging-frameworkmacswift
johnhammerlund/Conduit
Jun 2018 - Oct 2023
Robust Swift networking for web APIs
Contributions:5 PRs, 13 pushes, 4 branches in 5 years 4 months
swiftnetworkingweb-apis
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