Marcin Czenko is a seasoned Network Engineer and full-stack software architect with 14 years of experience building decentralised systems, self-sovereign identity, and durable storage platforms. He currently contributes to the Codex Marketplace for censorship-resistant data storage and previously led identity and personal-hosting projects like Identity Box at Philips Research. Comfortable across embedded, mobile, cloud and web stacks, Marcin combines deep technical fluency (from ARM/AVR firmware to React/Node and Solidity/IPFS) with a strong pedigree in agile engineering and CI-driven quality. He is an active open-source contributor—having improved Jest workflow in the popular vscode-jest extension—and a frequent speaker on agile and identity topics. Outside engineering he runs a small creative business in photography and hands-on hardware projects, reflecting an unusual blend of technical rigor and artisanal curiosity. With a PhD in Computer Security and a history of cross-disciplinary delivery, he excels at turning privacy-preserving research into practical, production-ready systems.
14 years of coding experience
11 years of employment as a software developer
Ph.D. Computer Security, Ph.D. Computer Security at University of Twente
M.Sc. Software Engineering and Information Technology, M.Sc. Software Engineering and Information Technology at Warsaw University of Technology
Mature in electronics (specialisation radio and television)., Mature in electronics (specialisation radio and television). at Electronics High School, Koszalin, Poland
The optimal flow for Jest based testing in VS Code
Role in this project:
Full-stack Developer
Contributions:32 commits, 1 PR, 53 comments in 1 month
Contributions summary:Marcin contributed to the `vscode-jest` repository by implementing and refactoring features related to Jest process management within the VS Code extension. Their work includes adding methods for stopping the Jest process, enabling snapshot updates, and providing watch mode functionality. The user's commits demonstrate a focus on improving the extension's testing workflow and overall user experience. The changes span multiple files and involved the refactoring of core functionality.
Digitalized (OCR) version of the "Leven met God" book.
Contributions:612 commits, 2 PRs, 562 pushes in 1 year 3 months
metocrgodleven
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