Krzysztof Zabłocki

Warsaw, Masovian Voivodeship, Poland

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Summary

🤩

Rockstar

Krzysztof Zabłocki is a Principal Swift engineer and consultant with 11+ years building production iOS apps and developer workflows for companies from startups to The New York Times and The Browser Company. He combines hands-on engineering (shipping apps like Headspace and NYT) with developer-tooling expertise—his open-source Sourcery meta-programming tool and other libraries power over 80,000 apps. As a consultant he audits codebases, designs pragmatic, maintainable architectures, and creates automation that has saved clients millions in engineering costs. He’s led teams of 20+, created internal developer platforms and onboarding, and frequently speaks at conferences worldwide about practical iOS architecture. Unusually for an app-focused engineer, he blends UX sensibility with deep build-system and codegen knowledge to improve both product and developer experience. Based in Warsaw, he also co-founded Pixle, whose apps earned multiple Apple features and awards.

11 years of coding experience

Stackoverflow

Stats

1,307reputation

147kreached

27answers

0questions

Github Skills (23)

objective-c10

ios10

swift-package-manager10

xcode10

metaprogramming10

code-generation10

mobile10

swift10

templating10

scripting9

build-automation9

shell9

script9

sh9

carthage8

Programming languages (6)

ShellObjective-CHTMLSwiftRubyPython

Github contributions (5)

krzysztofzablocki/Bootstrap

Jan 2016 - Dec 2016

iOS project bootstrap aimed at high quality coding.

Role in this project:

Mobile Developer (iOS)

Contributions:3 releases, 15 commits, 13 PRs in 11 months

Contributions summary:Krzysztof primarily contributed to the project by modifying iOS-related files, including changes in CocoaLumberjack library and code that dealt with icons and image processing. Their work involved updating the icon versioning process, including the use of shell scripts within the build process, and modifying application delegate configurations. These contributions suggest a focus on build and deployment aspects, as well as the integration of image resources within the iOS application.

bootstrapios

krzysztofzablocki/Sourcery

Dec 2016 - Jan 2023

Meta-programming for Swift, stop writing boilerplate code.

Role in this project:

Back-end Developer

Contributions:72 releases, 57 reviews, 411 commits in 6 years 2 months

Contributions summary:Krzysztof's contributions primarily focus on the meta-programming aspects of Swift, as indicated by the repository description and the code changes. They have implemented features related to code generation, including the use of "Insanity" for code generation and template creation. Their work appears to involve the use of Swift and related tools for generating descriptions, boiler plate, and code generation of enum cases.

metaprogrammingswiftcodegencodegeneratorios

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