Adriel Café
Staff Software Engineer at Stone
Bahia, Brazil
Summary
🤩
Rockstar🎓
Top SchoolAdriel Café is a Staff Software Engineer with 11 years of professional experience and a 15-year journey in software development, currently leading platform and multiplatform initiatives at Stone, one of Brazil’s largest fintechs. He spearheaded KMP and Compose Multiplatform adoption company-wide, architected a 60+ component multiplatform design system, and automated legacy migrations using custom GitHub Copilot prompts to speed developer productivity. A prolific open-source maintainer—author of the Voyager Jetpack Compose navigation library and numerous repos with thousands of stars—he blends pragmatic engineering with community-driven learning. Known for shipping robust libraries and tooling that scale across Android and iOS, he also mentors teams, runs internal adoption programs, and presents technical talks to spread best practices. Based in Bahia, Brazil, he balances deep mobile expertise with unexpected creative outlets like aquascaping, which he credits for sparking design ideas and focus.
11 years of coding experience
12 years of employment as a software developer
Bachelor's degree, Information Technology, Bachelor's degree, Information Technology at Faculdade Zacarias de GóesMaster's degree, Computer Science, Master's degree, Computer Science at Universidade Federal de Pernambuco
Portuguese, English
Stackoverflow
11reputation
2kreached
0answers
1question
Github Skills (40)
kotlin10
editors10
lib10
api-design10
navigationbar10
editor10
navigation-drawer10
java10
android-library10
javas10
read-me10
android10
jetpack-compose10
audio-recording10
kotlin-android10
Programming languages (9)
Github contributions (5)
adrielcafe/AndroidAudioRecorder
Aug 2016 - Jan 2020
A fancy audio recorder lib for Android. Supports WAV format at 48kHz.
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:12 releases, 28 commits, 2 PRs in 3 years 6 months
Contributions summary:Adriel primarily contributed to the development of the Android audio recorder library. Their work involved refactoring code, implementing new features such as a wave visualization, and enhancing the user interface elements. They also focused on improving the user experience by adding features like auto-start and keep-display-on options. Moreover, the user addressed bugs and refactored existing resources, demonstrating a focus on the overall functionality and usability of the audio recorder application.
androidwavaudioaudio-recorderrecorder
adrielcafe/AndroidAudioConverter
Sep 2016 - Jan 2020
Convert audio files inside your Android app easily. Supported formats: AAC, MP3, M4A, WMA, WAV and FLAC.
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:8 releases, 16 commits, 15 pushes in 3 years 4 months
Contributions summary:Adriel primarily worked on developing the Android audio converter library. Their contributions included implementing a fluent API for audio conversion, fixing package structures, and refactoring the library's loading mechanism to use callbacks. They also updated the sample application to demonstrate the library's usage, including requesting necessary permissions and integrating with the new load functionality. This user is focused on enhancing the functionality and usability of the Android audio conversion library.
m4aaacmp3supportedandroid
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