Jan Lenczyk
CEO CTO at Filen Cloud Dienste UG (haftungsbeschränkt)
Recklinghausen, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolJan Lenczyk is a CEO/CTO with a decade of hands-on experience building backend systems primarily in TypeScript, Python, and Go, while also shipping front-end interfaces using React, Solid, Svelte, and Vue. Leading Filen Cloud Dienste since 2020, he combines product leadership with day-to-day engineering, focusing on reliable, scalable cloud services. Based in Recklinghausen, Germany, he brings startup grit and system design discipline to full-stack delivery and platform operations. His technical breadth lets him bridge developer ergonomics and infrastructure concerns, ensuring features are both user-friendly and maintainable. Notably, his public-facing roles emphasize operational ownership—he's as comfortable tuning APIs and storage layers as he is guiding roadmap and team execution.
10 years of coding experience
Willy-Brandt-Gymnasium Oer-ErkenschwickMax-Born-Berufskolleg Recklinghausen
Github Skills (106)
windows10
k8s10
electron10
storage10
android10
react-native10
desktop10
amazon-s310
virtual10
javascript9
sdk9
cloud-object-storage9
ios9
expo9
react9
Programming languages (6)
Github contributions (5)
FilenCloudDienste/filen-webdav
May 2024 - Mar 2025
A package to start a WebDAV server for a single or multiple Filen accounts
Contributions:69 releases, 11 PRs, 108 pushes in 10 months
filenwebdav
Dwynr/filen-desktop-client
Oct 2020 - Aug 2021
Contributions:5 releases, 101 pushes, 1 branch in 9 months
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