Filippo Zazzeroni
IOS Engineer at Mozilla
Germany
Summary
🤩
Rockstar🎓
Top SchoolFilippo Zazzeroni is an iOS engineer with six years of mobile development experience, specializing in Swift/UIKit/SwiftUI and cross-platform work with Flutter. He has shipped consumer-facing apps—co-founding and leading mobile efforts at MasterBiga where his Flutter app reached ~50,000 installs—and now contributes to and engineers Firefox for iOS at Mozilla. His work blends UI/UX refinements (theming, icons, tab management) with architecture improvements like introducing the Coordinator pattern and unit testing across complex codebases. Filippo brings hands-on Bluetooth, GraphQL, Core Data, and Firebase experience from healthcare and IoT projects, showing strength in embedded-to-cloud integration. Comfortable both leading small teams and contributing to large open-source projects, he demonstrates a pragmatic mix of product focus and engineering rigor. He is based in Germany and often surfaces non-obvious value by turning maintenance and refactors into measurable UX and testability gains.
6 years of coding experience
5 years of employment as a software developer
Laurea Magistrale LM Ingegneria meccanica (curriculum robotica), Laurea Magistrale LM Ingegneria meccanica (curriculum robotica) at Alma Mater Studiorum – Università di BolognaLaurea triennale Ingegneria meccanica, Laurea triennale Ingegneria meccanica at Università Politecnica delle Marche
Italian, English, Dutch, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
swift10
ios10
user-interface10
theme-ui10
ui-design9
objective-c5
Programming languages (5)
Github contributions (5)
mozilla-mobile/firefox-ios
May 2023 - Apr 2025
Firefox for iOS
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:490 reviews, 283 PRs, 360 pushes in 1 year 10 months
Contributions summary:Filippo primarily contributed to the Firefox for iOS project by implementing and refactoring UI components and features. They focused on enhancing the user experience through visual improvements, such as applying the new theming system and updating icons. Moreover, the user fixed bugs, improved the user interface and made various improvements to the tab management.
firefoxbrowserios-appswiftios
FilippoZazzeroni/firefox-ios
May 2023 - Sep 2024
Firefox for iOS
Contributions:197 pushes, 51 branches, 1 comment in 1 year 3 months
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