Nazarii Sheremet
Senior Software Engineer at Arm
Cambridge, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolNazarii Sheremet is a Senior Software Engineer with 11+ years building scalable, distributed systems and a recent focus on product security at Arm after a multi-year engineering stint at Amazon. He has deep practical experience in team and technical leadership, designing backend platforms that serve millions and embody Amazon’s customer-obsessed standards. Nazarii is also an active open-source contributor to the RubyCrypto rbnacl project, where he improved HMAC support and refactored cryptographic implementations to enhance usability and correctness. Based in Cambridge, UK, he blends production-grade engineering with a security-minded approach and a track record of improving low-level crypto and distributed database components.
11 years of coding experience
13 years of employment as a software developer
Chernihiv Polytechnic National UniversityЧГТУ
English, Ukrainian
Github Skills (8)
libsodium10
hmac10
cryptography10
ruby10
testing9
sha9
ed255195
x255195
Programming languages (6)
Github contributions (5)
RubyCrypto/rbnacl
Dec 2017 - Feb 2018
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 1 PR, 17 comments in 2 months
Contributions summary:Nazarii primarily focused on enhancing the `rbnacl` library, specifically improving its HMAC (Hash-based Message Authentication Code) functionality. Their contributions include enabling support for non-32-byte keys and adding the `#update`, `#digest`, and `#hexdigest` methods. The user also refactored the HMAC implementations, including SHA512256, to improve code quality and consistency. These changes directly impacted the library's cryptographic capabilities and usability.
cryptographysalsa20x25519chacha20networking
n4Zz2/n4Zz2.github.io
Jan 2016 - Apr 2023
Contributions:14 PRs, 101 pushes, 5 branches in 7 years 4 months
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