Sacha Arbonel
Backend Developer at Stream
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolSacha Arbonel is a backend developer based in Amsterdam with a decade of software engineering experience and 7+ years focused on backend and mobile systems. Currently at Stream, he builds scalable backend services and previously shaped their Flutter SDK as an SDK engineer, contributing localization work that expanded a popular open-source chat SDK to multiple languages. Comfortable across Go and Rust—“Golang by day, Rust by night”—he publishes a Golang newsletter and blends practical backend design with systems programming curiosity. As a freelancer he shipped end-to-end Flutter and Rust projects, including real-time sync and push notification features for consumer apps. His formal background in telecommunications and information security underpins a pragmatic approach to reliability and data integrity. Colleagues describe him as a polyglot engineer who quietly levels up developer experiences while keeping production systems robust.
9 years of coding experience
2 years of employment as a software developer
Engineering degree, Information Security/ Security of Information in Computer Systems, Engineering degree, Information Security/ Security of Information in Computer Systems at ISEP - école d'ingénieurs du numériqueIngénierie des télécommunications, Telecommunications Engineering, Ingénierie des télécommunications, Telecommunications Engineering at Universidad Politécnica de Madrid
French, English, Spanish
Stackoverflow
254reputation
3kreached
3answers
2questions
Github Skills (11)
internationalization10
localization10
flutter-game10
dart10
translation10
flutter-apps10
flutter10
datetime6
algorithm6
math6
getstream-io6
Programming languages (17)
Github contributions (5)
GetStream/stream-chat-flutter
Feb 2021 - Oct 2022
Flutter Chat SDK - Build your own chat app experience using Dart, Flutter and the Stream Chat Messaging API.
Role in this project:
Localization / Internationalization Specialist
Localization / Internationalization SpecialistContributions:13 reviews, 36 commits, 7 PRs in 1 year 8 months
Contributions summary:Sacha primarily focused on adding and updating translations for the Flutter chat SDK. Their work involved adding new language support (French, Spanish, Japanese, Korean), correcting typos and inconsistencies, and updating existing translations to ensure accuracy and completeness. This contributed to the SDK's wider international reach by adapting the user interface to different languages.
streamflutter-chatstream-chatchat-sdkmessaging
sachaarbonel/Android_FasesDeLuna
Oct 2017 - Sep 2020
Contributions:7 commits, 3 pushes, 1 branch in 3 years
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