Feodor Fitsner
Founder Developer at AppVeyor
Victoria, British Columbia, Canada
Summary
🤩
Rockstar🎓
Top SchoolFeodor Fitsner is a seasoned founder-developer with 14 years of experience architecting resilient, multi-OS systems and developer frameworks from Victoria, BC. He founded and led AppVeyor, a high-availability CI/CD platform used worldwide, and later created Flet, a framework that lets developers build real-time Flutter apps using Python, demonstrating a rare blend of infrastructure and developer-experience focus. His hands-on work spans full-stack and backend engineering—implementing UI features, CSS-driven site work, and deep framework internals—reflected in significant contributions to the flet.dev ecosystem and AppVeyor’s public site. Feodor’s background in building provisioning UIs for Windows hosting and early Azure App Service prototypes shows his strength in turning complex platform requirements into self-service, production-ready products. He combines entrepreneurial drive with a pragmatic engineering approach, often shipping features that bridge frontend polish and backend reliability.
14 years of coding experience
8 years of employment as a software developer
BS, Electrical and Electronics Engineering, BS, Electrical and Electronics Engineering at Belaruski Dzjaržauny Universitet Informatyki i Radyjoelektroniki
Russian
Stackoverflow
2,354reputation
92kreached
59answers
0questions
mono
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Github Skills (37)
javascript10
python10
back-end-development10
css10
user-interface10
asp-net-core10
ui-design10
interface-design10
asp-net10
uid10
front-end-development10
dotnet-core10
html10
web-framework10
docusaurus10
Programming languages (23)
Github contributions (5)
flet-dev/examples
Apr 2022 - Jan 2023
Flet sample applications
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 reviews, 66 commits, 99 PRs in 9 months
Contributions summary:Feodor primarily contributed to building a Flet-based icon browser application. Their work included implementing the UI, incorporating features such as a search bar, a grid view for displaying icons, and a copy-to-clipboard functionality. The commits demonstrate a focus on UI design and development using Flet components, including the integration of a search feature to filter icons, and incorporating features like a custom loading animation.
flet-dev/flet
Mar 2022 - Jan 2023
Flet enables developers to easily build realtime web, mobile and desktop apps in Python. No frontend experience required.
Role in this project:Back-end Developer
Back-end DeveloperContributions:124 releases, 462 reviews, 456 commits in 10 months
Contributions summary:Feodor's commits primarily focus on implementing features and making improvements to the "flet" framework, which enables building real-time web, mobile, and desktop apps in Python. They are responsible for adding, modifying, and implementing new features and controls. The commits show a deep understanding of the framework's internals and architecture.
realtimeserver-driven-uipythonandroiddesktop-apps
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