Harlan Kellaway

New York, New York, United States

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Summary

🤩

Rockstar

🎓

Top School

Harlan Kellaway is an experienced iOS engineer with 11 years building native apps using Swift, Objective-C, Xcode and Git, currently based in New York. He has shipped products at companies including Omada Health, Lyft, Maven Clinic and Glorify, and contributes to developer education as an editor and author for Kodeco (formerly Ray Wenderlich). Harlan maintains active open-source work—most notably migrating the Gloss JSON library to Swift’s Codable—to keep legacy tooling modern and testable. He combines hands-on app development with a taste for clean API design and practical migrations that reduce technical debt. A Wellesley College computer science graduate, he also writes about engineering on his tech blog and shares reusable Swift tooling on GitHub. Colleagues describe him as a pragmatic engineer who favors maintainable code and thoughtful developer ergonomics.

11 years of coding experience

BA, Computer Science, BA, Computer Science at Wellesley College

English

Stackoverflow

Stats

1,235reputation

71kreached

18answers

37questions

Github Skills (17)

json10

decoding10

encoding10

swift10

json-encode10

json-encoder10

jsondecoder10

unit-testing9

api-design7

api7

mbprogresshud6

swiftui6

cocoapods6

xcode6

cocoa6

Programming languages (11)

TypeScriptCSSShellJavaScriptGoObjective-CSwiftSlim

Github contributions (5)

hkellaway/Gloss

Jul 2019 - Feb 2021

[Deprecated] A shiny JSON parsing library in Swift :sparkles:

Role in this project:

Full-stack Developer

Contributions:42 releases, 55 commits, 340 PRs in 1 year 6 months

Contributions summary:Harlan primarily focused on migrating the `Gloss` library to use Swift's `Codable` protocol for JSON encoding and decoding. They implemented helper functions to facilitate this migration and updated existing tests to utilize the new codepaths. Additionally, the user updated the demo project to reflect the changes and included new methods for processing data with the Swift `Codable` protocol.

shinyparsingswiftparsersparkles

hkellaway/Nog

Mar 2021 - Aug 2021

iOS URLRequest interception framework

Contributions:4 releases, 159 pushes, 30 branches in 4 months

interceptionswiftiosurlrequest

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