Fabrizio Castellarin
Tech Lead at Domeo.it
Milan, Lombardy, Italy
Summary
👤
Senior🎓
Top SchoolFabrizio Castellarin is a Tech Lead based in Milan with 11 years of experience building web applications and growing engineering teams across payments, security, and consumer platforms. He combines hands-on frontend expertise (React, TypeScript, PWAs) with platform-level work in automation and build/release engineering, having improved E2E testing and Docker-based local testing for the widely used create-react-app project. At Klarna he drove multi-market payment features and bridged domains between payment methods and native apps, while enabling open banking use for underwriting and payments. Earlier roles span startups and consulting where he transitioned legacy PHP apps to modern PWAs and led engineering efforts as co-head and senior frontend developer. He pairs a physics background from Università degli Studi di Milano with a pragmatic focus on reliability and developer experience, often tackling the testing and tooling gaps that make systems maintainable at scale. Colleagues know him for turning complex integrations into robust, automatable workflows that reduce operational friction.
11 years of coding experience
13 years of employment as a software developer
University of Milan
Italian, English
Stackoverflow
777reputation
201kreached
15answers
5questions
Github Skills (22)
docker10
bash10
dockers10
cicd10
automation10
automation-testing10
nodejs10
build-tools10
automations10
test-automation10
github-ci9
javascript9
npm9
mochajs9
githubaction-workflow9
Programming languages (8)
Github contributions (5)
facebook/create-react-app
Oct 2016 - Jun 2017
Set up a modern web app by running one command.
Role in this project:
Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:13 commits, 13 PRs, 173 comments in 8 months
Contributions summary:Fabrizio primarily contributed to the end-to-end (E2E) testing infrastructure of the `create-react-app` project. They implemented enhancements to the E2E testing framework, including test suite refinements, docker-based local testing, and debugging improvements. Significant changes were made to the `e2e-kitchensink.sh` script, indicating a focus on improving the robustness and functionality of integration tests. These contributions highlight a strong focus on automation and ensuring the reliability of the build and testing processes.
reactdeveloper-toolsset-upmodern-web-appmodern-web
EnoahNetzach/extract-scss-variables
Dec 2016 - Dec 2017
Extract SCSS variables
Contributions:24 commits, 3 PRs, 133 pushes in 11 months
scssvariablesscss-variables
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