Alvaro Crespo
Android & Blockchain Engineer at ITBA
Buenos Aires, Autonomous City of Buenos Aires, Argentina
Summary
👤
Senior🎓
Top SchoolAlvaro Crespo is an Android and blockchain engineer with a decade of experience building secure, user-focused mobile wallets and payments systems, currently helping power Muun, a self-custodial Bitcoin and Lightning wallet. He combines deep algorithmic and mathematical instincts—reflected in his long-running adjunct teaching of discrete math and web engineering at ITBA—with pragmatic product engineering across Android, backend integrations, and cross-platform mobile work. His background spans startups and payments in Latin America, game development, and hands-on backend integrations for multi-country payment providers, giving him a rare blend of low-level crypto intuition and production-grade app UX. Based in Buenos Aires, he pairs academic rigor with product-minded execution and a sustained curiosity about physics and Bitcoin that informs both design and risk-aware engineering.
10 years of coding experience
4 years of employment as a software developer
Software Engineering (Ingeniería en Informática), Computer Software Engineering, 7,73, Software Engineering (Ingeniería en Informática), Computer Software Engineering, 7,73 at Instituto Tecnológico de Buenos Aires
Spanish, English, Portuguese
Stackoverflow
1,134reputation
32kreached
14answers
20questions
Github Skills (86)
wallet10
architecture10
bip3210
bitcoin10
java10
bitcoinj10
android10
segwit10
blockchain10
leiningen8
sms-messages8
mms8
jitpack8
nodes8
sms7
Programming languages (8)
Github contributions (5)
acrespo/bitcoinj
Dec 2017 - Oct 2021
A library for working with Bitcoin
Contributions:1 PR, 11 pushes, 1 branch in 3 years 10 months
bitcoin
acrespo/apollo
Jun 2022 - Feb 2025
Muun Android wallet
Contributions:1 review, 19 PRs, 21 pushes in 2 years 8 months
androidwalletandroid-wallet
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