Bruno Barbieri is a senior engineering manager with 14 years of experience leading mobile and front-end teams across crypto and consumer tech, currently at Coinbase in New York. He progressed from founding engineer and Director of Engineering at Rainbow to leading platform and mobile work on MetaMask at ConsenSys, demonstrating deep expertise in React Native, iOS, and cross-platform product delivery. Bruno combines hands-on engineering—contributing UI/UX improvements and bug fixes to high-profile open source projects like MetaMask and WalletConnect—with people leadership and release ownership. His contributions include improving wallet connection flows, QR modal UX, and subtle mobile platform fixes (biometrics, navigation, vibration/TurboModule compatibility) that materially improve user experience. He has a history of founding and scaling engineering teams, bringing both product sensibility and technical rigor to distributed systems and consumer wallets. Colleagues rely on him for shipping polished mobile experiences in complex, security-sensitive environments.
14 years of coding experience
17 years of employment as a software developer
Analyst Programmer, Computer Science, Analyst Programmer, Computer Science at Universidad ORT
J I C is a Javascript Image Compressor using HTML5 Canvas & File API that allows you to compress your jpeg & png images before uploading to the server (100% client-side and no extra libraries required!)
Role in this project:
Front-end Developer
Contributions:5 releases, 35 commits, 11 PRs in 4 years 4 months
Contributions summary:Bruno primarily contributed to the front-end aspects of the JavaScript Image Compressor project. They implemented UI changes and added features for image handling, including image loading, compression, and upload. The user also added support for PNG format and alpha transparency. These changes involved modifying JavaScript files, and adding features, indicating a focus on enhancing the user interface and image processing functionality.
Contributions:15 releases, 1562 reviews, 1387 commits in 2 years 10 months
Contributions summary:Bruno focused on adding features and making improvements to the Ethereum wallet within the React Native application, Rainbow. Their commits implemented a send flow in the simulator, a react-native-svg package update, and watched for pending transactions. They also optimized gas prices, added a vibration module patch, and implemented network debugging for request and response.
pocketethereumreact-nativerainbowwallet
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Bruno Barbieri - Senior Engineering Manager at Coinbase