Javier Donadio
Software Engineer at Arion
Tucumán, Argentina
Summary
🤩
Rockstar🎓
Top SchoolJavier Donadio is a senior software engineer and team lead from Tucumán, Argentina with over 10 years building scalable web and mobile applications across fintech and enterprise domains. He blends hands-on full‑stack work with technical leadership—estimating projects, defining architectures, coordinating deployments, and mentoring teams at companies like Arion and Globant. Javier has contributed to notable open-source crypto projects at BitPay, improving backend reliability in bitcore and refining the BitPay/Copay wallet UI, reflecting strong attention to both systems stability and user experience. His background spans large-bank integrations in Spain, mobile/web development for major brands, and running operations on constrained networks early in his career, showing adaptability across environments. Comfortable leading client communication and technical interviews, he prefers pragmatic, maintainable solutions that balance delivery speed with long-term quality. A distinctive strength is shipping reliable backend improvements (logging, error handling, wallet data flows) in security-sensitive payments contexts.
10 years of coding experience
8 years of employment as a software developer
Licenciatura en Informática, Informática, 5to año pendiente, Licenciatura en Informática, Informática, 5to año pendiente at Universidad Nacional de Tucumán
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (20)
javascript10
back-end-development10
apidoc10
css10
bitcoin10
bitcoins10
ui-design10
apple-push-notifications10
push-notifications10
bitcore10
api10
front-end-development10
blockchain10
html10
nodejs10
Programming languages (6)
Github contributions (5)
bitpay/wallet
Sep 2015 - Jan 2018
Bitpay Wallet (formerly Copay) is a secure Bitcoin and other crypto currencies wallet platform for both desktop and mobile devices.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:950 commits, 531 PRs, 189 pushes in 2 years 4 months
Contributions summary:Javier primarily contributed to the user interface and user experience aspects of the Bitpay Wallet. Their commits focused on fixing display issues, adjusting styles, and improving the user interface. They addressed issues related to text selection, formatting, and the visual presentation of information within the wallet interface.
currencieswalletsegwitcrypto-currenciessecure
bitpay/bitcore
Sep 2015 - Nov 2017
A full stack for bitcoin and blockchain-based applications
Role in this project:Back-end Developer
Back-end DeveloperContributions:32 commits in 2 years 2 months
Contributions summary:Javier primarily contributed to the back-end functionality of the bitcore repository. Their work focused on modifying the push notifications service and configuration, implementing enhancements for wallet data handling, and adding send max info functionality. They also improved logging and error handling, which is crucial for backend stability. Additionally, they addressed issues related to memo editing and refactored logs, indicating a focus on improving overall system reliability and performance.
full-stackcryptocurrencyblockchainbitcoin
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