Salvatore Ingala
Senior Firmware Engineer And Bitcoin Expert at Ledger
Paris, Ile-de-France
Summary
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Rockstar🎓
Top SchoolSalvatore Ingala is a Senior Firmware Engineer and Bitcoin specialist with over a decade of experience building secure embedded systems and contributing to cornerstone open-source Bitcoin projects. Based in Paris, he blends a rigorous academic background (PhD work in algorithms and optimization) with hands-on firmware, hardware-wallet integration, and test automation expertise gained at Ledger and in community projects like HWI and Electrum. He has improved hardware wallet compatibility, implemented new Ledger app protocols, and strengthened test suites—work that directly touches widely used Bitcoin infrastructure. Curious by nature and drawn to elegant, provable systems, he views Bitcoin as both a technical challenge and a societal safeguard, and he brings that perspective to pragmatic, security-focused engineering.
10 years of coding experience
4 years of employment as a software developer
Master Degree, Computer Science, 110/110 cum laude, Master Degree, Computer Science, 110/110 cum laude at University of CataniaComputer Science, Computer Science at Scuola Superiore di CataniaDeep Learning Nanodegree Foundation, Machine Learning, Deep Learning Nanodegree Foundation, Machine Learning at Udacity
English, Italian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (17)
ec10
pytest10
python10
bitcoin-wallet10
plugin-development10
bitcoin10
el10
ledger10
bitcoins10
bitcoin-core10
hardware-wallet10
cryptography10
test-automation10
api8
bash8
Programming languages (14)
Github contributions (5)
LedgerHQ/app-bitcoin
Feb 2021 - Nov 2022
Legacy Bitcoin wallet application for Ledger devices
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:12 reviews, 37 commits, 15 PRs in 1 year 10 months
Contributions summary:Salvatore primarily focused on enhancing the test suite for the Bitcoin Ledger application. Their work included refactoring the Python test suite, introducing fixtures for Speculos, and implementing automation features using decorators. They also added new tests to cover various scenarios, including incorrect parameters and user rejections, while also fixing a bug in the code. Moreover, the user improved the test setup and added the ability to run tests against the legacy app version.
blueblockchainwalletnanocryptocurrency
bitcoin-core/HWI
Jun 2022 - Oct 2022
Bitcoin Hardware Wallet Interface
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 15 commits, 4 PRs in 4 months
Contributions summary:Salvatore primarily focused on enhancing the `hwilib` library, which provides an interface for Bitcoin hardware wallets. Their contributions include fixing output formatting, adding support for new Ledger Bitcoin app versions by implementing the new protocol, and incorporating message signing functionality. Furthermore, the user addressed specific limitations related to older app versions, streamlining the interface for improved compatibility and functionality. The changes made indicate a strong understanding of hardware wallet interaction and Bitcoin transaction processing.
hardware-walletwalletbitcoin-hardware-walletcryptocurrencyhardware
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