Luís Cardoso
Expert Frontend Software Engineer at Feedzai
Coimbra, Coimbra, Portugal
Summary
👤
Senior🎓
Top SchoolLuís Cardoso is an expert Frontend Software Engineer with 14 years shaping Feedzai’s frontend from its jQuery origins to modern React and webpack architectures, and has recently returned to a hands-on engineering role after leading teams as an Engineering Manager. He combines deep technical ownership—routing major migrations, improving performance, testing stability, and defining frontend architecture—with strong people and process skills in hiring, mentoring, and running cross-functional initiatives. A persistent advocate for engineering quality, he drove company-wide standards like linting, REST API guidelines and documentation, and front-end tooling and knowledge sharing. Luís is also an open-source contributor with meaningful patches to widely used JavaScript libraries such as sinon and underscore, focusing on debuggability and utility improvements. Based in Coimbra and holding an MSc in Informatics Engineering, he pairs long-term product stewardship with a pragmatic drive to reduce technical debt and improve developer experience.
14 years of coding experience
12 years of employment as a software developer
Master's degree Informatics Engineering, Master's degree Informatics Engineering at Universidade de Coimbra
English
Github Skills (12)
underscorejs10
unit-testing10
javascript10
underscore10
spy10
sinon10
stub10
stubs10
testing10
documentation9
tdd9
front-end-development5
Programming languages (4)
Github contributions (5)
jashkenas/underscore
Nov 2013 - Nov 2013
JavaScript's utility _ belt
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:6 commits in 2 days
Contributions summary:Luís contributed utility methods to the JavaScript library underscore.js, specifically implementing and documenting `_.property` and `_.constant` functions. They added the related test cases and updated the documentation page (index.html) to reflect the new methods. The user's changes included refactoring, removing an alias, and modifying the code, indicating a focus on extending and maintaining the library's utility functions.
beltjavascripttypescript
sinonjs/sinon
Dec 2012 - Dec 2012
Test spies, stubs and mocks for JavaScript.
Role in this project:Backend Developer
Backend DeveloperContributions:5 commits in 8 days
Contributions summary:Luís primarily focused on enhancing the `sinonjs/sinon` repository, specifically the fake server functionality. Their contributions included adding logging capabilities to the fake server, allowing for the logging of requests and responses, improving debugging. The user later refactored the code to utilize `sinon.format` instead of `JSON.stringify` for consistent formatting and removed the flag for enabling logging, streamlining the codebase.
avastubxmlhttprequeststubsjest
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