Jonas Swiatek
Co-Founder at Telzio
Copenhagen, Capital Region of Denmark
Summary
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SeniorJonas Swiatek is a seasoned software architect and co-founder with 15 years' experience building high-performance web applications and VoIP systems, primarily on the .NET stack. He has led architecture and migration efforts at Denmark’s largest broadcaster, designing scalable, cache-consistent solutions that withstand extreme traffic spikes during national events. Equally comfortable with ASP.NET MVC/WebAPI, Java, node.js and scripting languages, he focuses on maintainable frameworks and cross-team workflows that accelerate feature sharing. Jonas combines hands-on development, server administration (Windows/Linux) and CI-driven build/deploy practices to deliver reliable production systems. His background includes operating critical public-facing services and pragmatic strategies for decoupling monoliths to support diverse devices and rapid updates. Based in Copenhagen, he brings entrepreneurial drive from co-founding Telzio alongside deep operational experience at top Danish websites.
15 years of coding experience
17 years of employment as a software developer
Danish, English
Github Skills (13)
visual-studio9
asternet7
fastagi7
asterisk-ami6
asterisk6
log4net5
log4net-appender5
dotnet3
netstandard2
gelf2
graylog2
net2
caching1
Programming languages (3)
Github contributions (5)
jonasswiatek/strokes
Jun 2011 - Jan 2014
Achievements for Visual Studio
Contributions:208 commits in 2 years 7 months
visual-studio
jonasswiatek/decklist-website
Mar 2025 - Jun 2026
Contributions:1 review, 9 PRs, 98 pushes in 1 year 2 months
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