Sergio Mota
Full Stack Engineer at Antropia
Madrid, Community of Madrid, Spain
Summary
🤩
Rockstar🎓
Top SchoolSergio Mota is a Full Stack Engineer based in Madrid with 12 years of experience building prototypes, validating ideas, and shipping production software across web, mobile, and security domains. He has a strong mobile pedigree from five years as Senior Mobile Engineer at Karumi—where he contributed significant fixes and API improvements to the popular Dexter Android permissions library—and has since expanded into frontend, security, and full-stack roles. Sergio balances hands-on implementation with pragmatic product thinking, having freelanced to rapidly iterate on concepts before joining Antropia in 2025. His academic background includes a Master in Research in Informatics from Universidad Complutense de Madrid, reflecting a disciplined, research-informed approach to engineering. Colleagues describe him as a tech generalist who enjoys simplifying complex flows and hardening edge cases that often cause production incidents. He brings a rare combination of open-source impact, security experience, and prototype-to-product delivery.
12 years of coding experience
12 years of employment as a software developer
Master in Research in Informatics, Master in Research in Informatics at Universidad Complutense de MadridSiglo XXI
English, Spanish, English, Spanish
Github Skills (10)
android-library10
permission10
javas10
debug10
android-native-library10
android10
java10
refactoring8
mockito7
junit7
Programming languages (10)
Github contributions (5)
Karumi/Dexter
Nov 2015 - Apr 2020
Android library that simplifies the process of requesting permissions at runtime.
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:19 releases, 48 commits, 72 PRs in 4 years 5 months
Contributions summary:Sergio primarily contributed to the Android library `dexter`, which simplifies runtime permission requests. Their work involved implementing a Fluent API, deprecating methods for a major release, and fixing critical issues like NullPointerExceptions related to activity lifecycle events. They refactored code, updated dependencies, and integrated features like snackbar customization, enhancing the library's functionality and stability.
runtimeandroid-libraryandroidpermissionkotlin
Karumi/KataScreenshotKotlin
Oct 2017 - Jan 2019
Screenshot Kata for Android Developers with Kotlin. The main goal is to practice UI Screenshot Testing.
Contributions:11 commits, 10 PRs, 27 pushes in 1 year 3 months
android-developersgoalscreenshottestingscreenshot-testing
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