Matěj Kříž
Trezor Suite Tech Lead
Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolMatěj Kříž is a seasoned front-end and full-stack engineer with 11 years of professional experience, now leading the Trezor Suite as Tech Lead in Prague. He specializes in React and React Native, having driven UI improvements, feature implementations and monorepo-level refactors for the flagship Trezor Suite and supported integration via Trezor Connect. Matěj blends product-minded UI work with low-level device integration—implementing features like bootloader device wiping and fixing transaction signing for Zcash—showing comfort across the stack. His background spans startups and product teams (Creative Dock, Mutumutu, ACTUM) and a long-standing focus on Next.js and modern web stacks. He holds a Master’s in Web Engineering from CTU and is actively hiring React/React Native engineers interested in Bitcoin hardware-software tooling. Quietly, he pairs hands-on coding with release/version management in open-source projects that power secure crypto custody.
11 years of coding experience
14 years of employment as a software developer
Bachelor, Software Technology and Management - Web and Multimedia, Bachelor, Software Technology and Management - Web and Multimedia at Faculty of Electrical Engineering, Czech Technical University in PragueMaster's degree, Web Engineering, Master's degree, Web Engineering at Faculty of Information Technology, Czech Technical University in Prague
Czech, English, German
Stackoverflow
1reputation
0reached
0answers
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Github Skills (23)
javascript10
typescript10
bitcoin10
bitcoins10
ui-design10
trezor10
uid10
front-end-development10
typescript-types10
typescripts10
react10
webpack9
webpacker9
nodejs9
cryptocurrency8
Programming languages (8)
Github contributions (5)
trezor/trezor-suite
May 2021 - Jan 2023
Trezor Suite Monorepo
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1 release, 2526 reviews, 386 commits in 1 year 8 months
Contributions summary:Matěj primarily contributed to the front-end of the Trezor Suite monorepo, focusing on UI improvements and feature implementations within the suite application. Their work included refactoring UI elements, adding new features to the account menu, and enhancing UI components such as the button and homescreen. The user also addressed issues related to the display and layout of transaction details, improving the overall user experience.
cryptographymonorepoelectroncandyblockchain
trezor/connect
Aug 2021 - Jun 2022
:link: A platform for easy integration of Trezor into 3rd party services
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:30 reviews, 17 commits, 27 PRs in 9 months
Contributions summary:Matěj's contributions primarily focused on updating and maintaining the Trezor Connect platform. They integrated releases from a common connect library, adapted the build process, and configured various environments. Furthermore, the user implemented functionality such as allowing device wiping in bootloader mode and addressed Zcash transaction signing issues. They also managed version releases and dependencies.
partyjavascripttrezorlinkbitcoin
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