Juraj Ďurech
Cryptography Solution Architect at Wultra
Dubnica nad Váhom, Trenciansky, Slovakia
Summary
👤
Senior🎓
Top SchoolJuraj Ďurech is a Cryptography Solution Architect with a decade of hands-on experience designing secure mobile and low-level cryptographic systems. Currently at Wultra, he combines architect-level thinking with hands-on development, contributing to open-source SDKs like PowerAuth and LimeAuth while retaining a practical iOS skillset. His background spans game engine and UI programming to senior iOS and GPU work at companies like 2K Czech, Inmite, and Avast, giving him unusual depth across performance-critical and security-focused domains. He has led technical efforts as a de facto CTO and co-founder, proving comfortable switching between individual contributor coding and technical leadership. Fluent in building cryptographic modules for banking-grade mobile apps, he pairs rigorous engineering with a playful hacker mindset—aptly summarized on GitHub as "I (un)do things." Based in Slovakia, he blends production-grade discipline with a track record of shipping complex, auditable systems.
10 years of coding experience
13 years of employment as a software developer
Bc., Information technology, cryptography, Bc., Information technology, cryptography at Slovenská technická univerzita v Bratislave
English, Russian, Czech, Slovak
Github Skills (75)
authentication10
ios-library10
security10
validating10
passphrase10
encryption10
multi-factor-authentication10
passwordless-authentication10
push-notifications10
mobile-application10
mobile-security10
sdk10
android-sdk10
tvos10
ssl-pinning10
Programming languages (13)
Github contributions (5)
wultra/swift-lime-core
Feb 2018 - Oct 2020
Core classes used in our swift projects
Contributions:3 releases, 10 PRs, 56 pushes in 2 years 8 months
swift-projectsswiftarchitecturemodularity
wultra/powerauth-mobile-sdk-spm
Oct 2021 - May 2026
Contributions:27 releases, 34 pushes, 2 branches in 4 years 7 months
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