Koray Koska
Founder at Chainnodes
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolKoray Koska is a London-based founder and software engineer with 10 years of experience building fintech and Web3 infrastructure products. He has repeatedly launched startups—VitraCash, Chainnodes, Volkn and Boilertalk—focused on pragmatic, user-centered solutions from secure cloud backups to fair-priced blockchain infrastructure. Technically grounded in scaling blockchain systems (leading the Swift "Kushiro" plasma client effort funded by the Ethereum Foundation) and full-stack product delivery, he blends low-latency backend engineering with product leadership. A crypto sceptic yet blockchain evangelist, he prioritizes transparency, reliability and real-world utility over hype. His track record shows a pattern of shipping first-mover developer tools and infrastructure while steering teams from research prototypes to funded products.
11 years of coding experience
4 years of employment as a software developer
Vienna University of Technology
German, Turkish, English, Arabic
Github Skills (200)
metadata10
searchbar10
swiftui10
aes-gcm10
api10
aes10
watchos10
swift-framework10
json-rpc10
gif10
commoncrypto10
gif-animation10
smart-contracts10
tinder10
pdf-document10
Programming languages (19)
Github contributions (5)
koraykoska/homebrew-tap
Sep 2017 - Jun 2025
Contributions:10 pushes, 1 branch in 7 years 9 months
koraykoska/libwebsockets.swift
Aug 2023 - Dec 2025
High Performance Swift Websocket Library
Contributions:10 releases, 2 PRs, 48 pushes in 2 years 4 months
swiftwebsocketlibwebsocketspermessage-deflate
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