Leon Lucardie
Back End Developer at TimeTell B.V.
The Hague, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolLeon Lucardie is a Back End Developer with 12 years of hands-on experience in mobile and backend systems, focused on iOS and Android apps and .NET-based cross-platform frameworks like Xamarin/.NET MAUI. Based in The Hague, he has steadily advanced at TimeTell B.V. from intern to app developer and now backend developer, blending mobile client expertise with server-side responsibilities. He’s contributed to notable open-source work on Google’s Node.js auth library, improving token verification and test coverage—evidence of strong attention to security and quality. Leon is actively expanding into web development and additional platforms, aiming to bridge mobile and backend concerns in end-to-end solutions. His background as a freelancer and long tenure at one company reflect both entrepreneurial initiative and deep product-domain knowledge.
12 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Computer and Information Sciences, General, HBO, Bachelor's degree, Computer and Information Sciences, General, HBO at Hogeschool Rotterdam
Dutch, English
Stackoverflow
9,660reputation
836kreached
124answers
28questions
android
top-5%
css
top-5%
android-studio
top-5%
xamarin
top-5%
ios
top-5%
safari
top-5%
Github Skills (23)
javascript10
testing10
user-authentication10
authentication10
jwt10
uinavigationcontroller10
nodejs10
oauth10
safari9
ios9
xamarin-android9
unit-testing9
xamarin9
css9
google-cloud9
Programming languages (12)
Github contributions (5)
googleapis/google-auth-library-nodejs
Mar 2016 - Aug 2016
🔑 Google Auth Library for Node.js
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:5 commits, 1 PR, 1 comment in 5 months
Contributions summary:Leon primarily contributed to the backend functionality of the Google Auth Library for Node.js. Their work focused on enhancing the token verification process by adding support for multiple valid audiences. Additionally, the user updated the test suite, including tests for the new features, demonstrating a focus on code quality and testing. These changes involved modifications to the `oauth2client.js` file, which handles authentication logic, and associated test files.
auth-librarygoogle-auth-librarygooglenode-jsauthentication
equestriadaily/equestriadaily.github.io
Mar 2016 - Aug 2024
Contributions:29 pushes, 3 comments in 8 years 6 months
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