Sergio Florez
Android & DevOps Engineer (extern) at Deutsche Bahn
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolSergio Florez is an Android and DevOps engineer and Google Developer Expert with over a decade of experience delivering high-quality Android apps for major German companies including Deutsche Bahn, CHECK24, AutoScout24 and Hermes. He specializes in test automation, observability and scalable app architecture, having pioneered integration and snapshot testing practices and coached hundreds of engineers on testing and quality. As an active open-source maintainer he authored popular libraries like ComposablePreviewScanner (150K+ monthly downloads) and contributed to notable projects such as Kaspresso, and his Android Screenshot Testing Playground earned a Google Open Source Peer Bonus in 2024. Comfortable working in XP environments, he repeatedly ship complex features on tight deadlines with low defect rates, from PSD2 banking integrations to map SDK migrations. Based in Munich, he combines hands-on engineering with community leadership—blogging, speaking at conferences, and mentoring—so quality improvements propagate both in product and ecosystem.
10 years of coding experience
12 years of employment as a software developer
Software Engineer European Master on Software Engineering, Software Engineer European Master on Software Engineering at UPM and Technische Universität KaiserslauternIngeniero técnico en informática de sistemas Ingeniería informática, Ingeniero técnico en informática de sistemas Ingeniería informática at Universidad de Valladolid
Spanish, English, German
Github Skills (12)
espresso10
android-test10
uitest10
junit10
robolectric10
ui-testing10
android10
android-gui10
test-automation10
dsl9
uia9
ui-automation9
Programming languages (5)
Github contributions (5)
KasperskyLab/Kaspresso
Jul 2021 - Jul 2022
Android UI test framework
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:37 reviews, 39 commits, 8 PRs in 1 year
Contributions summary:Sergio's contributions primarily focus on enhancing the `kaspresso` framework, an Android UI test framework. The commits add and modify tests, including shared tests for JVM compatibility, Robolectric tests, and tests for device features like logcat, network, and exploit. They also involve restructuring test files, updating dependencies, and ensuring the tests function correctly across different environments and configurations, demonstrating expertise in test automation and Android UI testing.
flakinessui-testinterceptorsdsltesting
sergio-sastre/Kaspresso
May 2021 - Nov 2022
Great UI test framework
Contributions:3 PRs, 38 pushes, 7 branches in 1 year 6 months
testinggreattest-frameworkui-test
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