Serdar セド
Founder at Crystal Programming Language
Istanbul, Istanbul, Turkey
Summary
🤩
Rockstar🎓
Top SchoolSerdar セド is a founder and seasoned software engineer with 11+ years of experience, best known as the author of the Kemal web framework and a core member of the Crystal programming language team. He builds fast, pragmatic web tooling and champions open source and community growth—founding Crystal Weekly, Crystal Turkiye, and co-founding Ruby Turkiye. His hands-on contributions to Kemal include feature work, bug fixes, and performance-minded improvements that keep the framework lean and effective. Serdar pairs technical leadership (CTO and founder roles) with teaching and public speaking, and often bridges Ruby and Crystal ecosystems, as reflected in his book "Crystal For Rubyists." Based in Istanbul, he also explores blockchain and cybersecurity through Digital Twinz while running civic-tech project Açık Türkiye, showing a blend of technical depth and civic-minded entrepreneurship.
11 years of coding experience
8 years of employment as a software developer
BS Computer Engineering And Science, BS Computer Engineering And Science at İstanbul Ticaret Üniversitesi
Turkish, English, Japanese
Stackoverflow
5,157reputation
382kreached
161answers
4questions
android
top-5%
Github Skills (20)
crystal-lang10
api10
web-framework10
json9
android9
rest8
websocket7
websockets-client7
websocket-client7
client-websocket7
coredata6
efficientnet6
ruby-on-rails6
nodejs6
android-layout6
Programming languages (14)
Github contributions (5)
kemalcr/kemal
Apr 2021 - Dec 2022
Fast, Effective, Simple Web Framework
Role in this project:
Back-end Developer
Back-end DeveloperContributions:52 releases, 54 reviews, 30 commits in 1 year 8 months
Contributions summary:Serdar primarily contributed to the Kemal web framework by implementing new features, fixing bugs, and improving the codebase. Their work included adding support for array-based path filters, setting the content type for 500 exceptions, and removing code references to Kilt. They also addressed warnings, and fixed issues related to the framework's filter handling and view rendering.
apicrystaleffectivejavascriptframework
sdogruyol/cryload
Jul 2015 - Mar 2021
HTTP benchmarking tool written in Crystal
Contributions:8 PRs, 52 pushes, 2 branches in 5 years 9 months
http-benchmarkingbenchmarkingcrystal
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