Mateusz Kramarczyk
Principal Software Engineer at Copper.co
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMateusz Kramarczyk is a Principal Software Engineer with over a decade of experience building secure, production-grade systems across embedded, JVM, cloud, and modern systems languages. Currently leading cryptographic engineering and MPC efforts at Copper.co, he blends deep applied cryptography with a practical polyglot skill set that includes Java, Scala, Kotlin, Rust, C++, TypeScript and React. His background spans telecom and travel platforms to enterprise SaaS, enabling him to design resilient distributed systems and cloud-native key management services on AWS. Known for taking on roles that stretch his expertise, he combines low-level embedded instincts with high-level architecture and a curiosity for new cryptographic techniques. Based in Krakow and educated at AGH University, he brings both hands-on implementation savvy and a penchant for translating advanced crypto concepts into operational products.
11 years of coding experience
16 years of employment as a software developer
Computer Science, Computer Science at AGH University of Krakow
Github Skills (84)
std10
formulas10
elliptic-curve-cryptography10
integer10
constant-time10
cryptanalysis10
internationalization9
localization9
lcov9
crypto8
django8
coverage8
cryptography8
gettext8
translation8
Programming languages (5)
Github contributions (5)
lleoha/libuaecore11
Jun 2014 - Jul 2014
Contributions:15 commits in 11 days
lleoha/trace-rs
Mar 2023 - Nov 2024
Contributions:10 PRs, 11 pushes, 6 branches in 1 year 8 months
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