Ademar De Oliveira
Android Engineer at Amazon
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolAdemar De Oliveira is an Android engineer with 14 years of experience building mobile products across startups and major companies, now at Amazon in Austin. He has shipped consumer and fintech apps—from Uber-related projects and a Brazilian super app to Santander’s banking app—and helped bring Bitcoin and Lightning Network capabilities to mobile users at Breez. An advocate for Kotlin and modern Android architecture, he’s contributed to the open-source Breez mobile Lightning client by improving test coverage, UI translations, dependency updates, and LN-URL image metadata support. He holds an MSc in Computer Science and completed a MOOC in Bitcoin and Blockchain, reflecting a long-standing interest in decentralized tech that informs his engineering choices. Notably, his background spans hands-on native SDK/NDK work, team leadership, and product-facing metrics, giving him a rare blend of technical depth and product intuition.
14 years of coding experience
13 years of employment as a software developer
Master of Science (MSc) Computer Science, Master of Science (MSc) Computer Science at USP - Universidade de São PauloUninove Computer Science, Uninove Computer Science at Uninove - Universidade Nove de JulhoMOOC Bitcoin and Blockchain Technology, MOOC Bitcoin and Blockchain Technology at University of Nicosia
Portuguese, Spanish, English
Stackoverflow
14,395reputation
3.3mreached
104answers
88questions
android
top-5%
background-color
top-5%
animation
top-5%
textview
top-5%
java
top-5%
cross-platform
top-1%
Github Skills (22)
flutter-apps10
cross-platform10
android10
flutter-game10
flutter10
mobile-development9
animation9
unit-testing9
java9
internationalization9
textview9
localization9
encryption9
background-color9
hyperlink9
Programming languages (13)
Github contributions (5)
breez/breezmobile
Jun 2021 - Jan 2023
Lightning Network mobile client
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:118 reviews, 294 commits, 503 PRs in 1 year 7 months
Contributions summary:Ademar primarily focused on addressing test failures and improving code coverage within the `breezmobile` repository, a Lightning Network mobile client. Their contributions involve modifications to the test suite and related code, demonstrating a focus on ensuring the application's reliability. The user also made changes to the user interface by introducing French translations, along with other minor UI adjustments. They updated dependencies and integrated a new feature for supporting LN-URL image metadata.
lndbreezpaymentsposneutrino
phillipmacon/BreezMobile
Feb 2022 - Jul 2022
Contributions:63 commits in 4 months
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