Vojtěch Šimetka
Co-Founder & CEO at kalkul.app
Opava, Moravia-Silesia, Czechia
Summary
👤
Senior🎓
Top SchoolVojtěch Šimetka is a founder and engineering leader with nine years of experience building product-focused software and developer tooling across web3, research, and enterprise environments. As Co-Founder & CEO of kalkul.app and Co-Founder/Engineer at snaha.net, he combines hands-on TypeScript development with product ownership experience from projects at IOV Labs and Ethereum Swarm. His background includes practical front-end contributions to notable open-source projects like the Giveth DApp, and a history of leading decentralized storage and communication efforts for RIF. Trained in computer graphics and multimedia, he brings a designer’s eye for minimalistic visual communication of complex scientific ideas—a theme he pursues outside engineering through art and documentation. Based in Opava, Czechia, he has a track record of turning research-grade problems into usable systems and processes, from CERN workflows to blockchain services.
9 years of coding experience
8 years of employment as a software developer
Master's Degree, Computer Graphics and Multimedia, Master's Degree, Computer Graphics and Multimedia at Brno University of TechnologyComputer Science, Computer Science at Oulu University of Applied Sciences
English, French, Czech
Stackoverflow
31reputation
693reached
0answers
1question
Github Skills (11)
uid10
javascript10
front-end-development10
ui-design10
react10
ui-components10
prop8
props8
svg6
jsx6
testing4
Programming languages (8)
Github contributions (5)
Giveth/giveth-dapp
Nov 2017 - Feb 2019
Giveth Dapp for crowdfunding and managing donations on the ethereum blockchain.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:559 commits, 84 PRs, 371 pushes in 1 year 3 months
Contributions summary:Vojtěch primarily contributed to the front-end development of the Giveth DApp, focusing on React components for features like the backup wallet and user wallet views. They addressed linting issues, fixed prop requirements, and made minor improvements to UI views like EditCampaign. The user's work also involved refactoring and improving UI components, demonstrating a focus on improving the user interface and experience.
blockchain-charityethereumweb3walletgiveth
swarmcity/ui-library
Jul 2022 - Oct 2022
Contributions:27 reviews, 34 commits, 50 PRs in 3 months
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