Óscar Celada is a Senior Frontend Engineer with 11 years of experience building reliable, testable UIs and automation tooling, currently shaping frontend at Qonto after consulting at Mainmatter. He pairs meticulous, well-documented code with pragmatic product thinking, striving to leave codebases clearer and easier for the next engineer. A long-time contributor to Storybook, he’s improved its build and static-file testing—work that feeds into an industry-standard UI workshop used broadly across teams and projects. Comfortable in fully remote, asynchronous environments, he brings strong CI/CD and test-automation expertise from roles at Marfeel where he led teams and optimized performance and developer workflows. Outside of engineering he’s been coaching futsal for years, a detail that highlights his collaborative, team-first approach.
11 years of coding experience
11 years of employment as a software developer
Monitor de Futbol Sala Nivel 0, Monitor de Futbol Sala Nivel 0 at Federació Catalana de Futbol
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Role in this project:
Front-end Developer & Test Automation Engineer
Contributions:6 reviews, 27 commits, 9 PRs in 8 months
Contributions summary:Óscar focused on improving the build process and testing within the Storybook framework. They fixed issues related to static file output and deprecated flags. Furthermore, the user added and modified tests, ensuring code coverage for different scenarios and edge cases related to static file configurations. The user also implemented features to support the use of static directories, and deprecated the older static-dir flag in favor of the new staticDirs option.
Contributions:21 commits, 2 PRs, 23 pushes in 1 year 5 months
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