Zefir Kirilov
CEO & Full-Stack Developer at Cloudnode
Varna, Varna, Bulgaria
Summary
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RockstarZefir Kirilov is a CEO and full-stack developer with five years of hands-on experience building web applications and RESTful APIs in JavaScript and TypeScript, primarily using Node.js. As board member and lead developer at Cloudnode OÜ, he blends technical ownership with company leadership, shipping production systems since 2021 and previously working independently for six years. Fluent in English and Bulgarian, with conversational German and Norwegian, he navigates international collaborations and client-facing roles comfortably. He focuses on clean, maintainable back-end services and pragmatic full-stack solutions that prioritize API design and developer experience. Outside formal roles he has sustained a long-running independent practice, signaling strong self-direction and client-driven problem solving. Based in Varna, Bulgaria, he brings entrepreneurial grit and cross-cultural communication to engineering and product decisions.
6 years of coding experience
6 years of employment as a software developer
Github Skills (200)
ui-components10
ubuntu10
svg10
minification10
html10
figma10
nodejs10
css10
windows10
docker-container10
taskbar10
spigot10
network10
minecraft-forge10
gnome-shell10
Programming languages (20)
Github contributions (5)
cloudnode-pro/components
Oct 2024 - Dec 2025
Base classes for typed web components
Contributions:21 releases, 107 reviews, 88 PRs in 1 year 2 months
web-componentsdomjavascripttypedtypescript
cloudnode-pro/SMPCore
May 2024 - May 2026
Contributions:8 releases, 20 reviews, 76 PRs in 2 years
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