Henri Normak
Distinguished Engineer at Trimble Inc.
Tallinn, Harju maakond, Estonia
Summary
🤩
Rockstar🎓
Top SchoolHenri Normak is a Distinguished Engineer with 13 years of experience building and shaping developer-friendly platforms and products, currently driving architectural excellence across Trimble’s Transporeon offerings from Tallinn. He combines hands-on implementation—ranging from iOS app automation contributions to fastlane and runtime type-validation improvements in runtypes—with a strong focus on maintainable code, KPIs, and measurable impact. As a former engineering lead and staff engineer, he’s helped scale teams, improve developer experience, and establish shared tooling and processes that reduce friction across services. Colleagues rely on him for pragmatic architectural guidance and for lifting team craft through pair programming, rigorous code review, and mentoring. Notably, his open-source work emphasizes clearer error messages and robust validation for complex types, reflecting a user-centric attention to developer ergonomics.
13 years of coding experience
12 years of employment as a software developer
Master of Engineering (MEng) Computer Science, Master of Engineering (MEng) Computer Science at University of York
Estonian, English
Stackoverflow
4,715reputation
370kreached
94answers
3questions
iphone
top-5%
objective-c
top-5%
ios
top-5%
Github Skills (27)
ios10
runtimes10
validations10
testing10
typescript10
fastlane10
validation10
ruby10
typescript-types10
mobile10
error-handling10
typescripts10
objective-c9
google-apps9
iphone9
Programming languages (9)
Github contributions (5)
runtypes/runtypes
Apr 2018 - Apr 2018
Runtime validation for static types
Role in this project:
Backend Developer
Backend DeveloperContributions:18 commits, 3 PRs, 5 comments in 6 days
Contributions summary:Henri primarily focused on improving error messages and refining the validation logic within the `runtypes/runtypes` repository. They implemented features to provide more informative error details, particularly for complex types like unions, dictionaries, and partial types. The user also made several improvements to the testing suite, including increased coverage and specific tests for error message verification. Their work centered around enhancing the robustness and user-friendliness of the type validation library.
runtime-validationvalidationruntimevalidatortypescript
fastlane/fastlane
Aug 2015 - Aug 2015
🚀 The easiest way to automate building and releasing your iOS and Android apps
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:24 commits in 3 days
Contributions summary:Henri contributed significantly to the `fastlane/fastlane` repository by implementing features related to iOS app group management and application services. Their work included adding support for creating, deleting, and associating apps with app groups. They also introduced the ability to enable and disable various application services, such as iCloud, push notifications, and associated domains. The commits demonstrate an understanding of the iOS development ecosystem and the use of fastlane to automate app development tasks.
fastlaneandroid-appsappsdeploymentreact-native
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