Oleksandr Korniienko
Co-founder & CTO at Cortance
Hilversum, North Holland, Ukraine
Summary
👤
Senior🎓
Top SchoolOleksandr Korniienko is a pragmatic technology leader and Co-founder & CTO with over 10 years of hands-on software engineering and engineering leadership experience. He moves fluidly between building full-stack applications (Laravel, Vue 3, Nuxt 3) and scaling teams and processes as a Fractional CTO for startups and SMEs. At Cortance he connects companies to pre-vetted, technically validated developers, reducing hiring overhead while preserving high engineering standards. His background includes financial and banking integrations (NetSuite, Xero, PSD2), robust monitoring and testing practices (Sentry, Datadog, unit tests), and designing resilient data architectures across MySQL, PostgreSQL, and MongoDB. Known for balancing clean, performant code with pragmatic delivery, he has repeatedly turned complex domain requirements into maintainable production systems. Based in Hilversum with roots in Ukraine and a CS degree from Lviv Polytechnic, he blends entrepreneurial drive with deep implementation experience.
10 years of coding experience
10 years of employment as a software developer
Bachelor’s Degree, Computer Science, Bachelor’s Degree, Computer Science at Lviv Polytechnic National University
Ukrainian, English
Github Skills (67)
governance10
hydra10
dao10
blockchain10
gossip9
polkadot9
cryptocurrency9
substrate9
joystream9
rust8
crypto8
forwarding8
xl-release8
reference-implementation8
typescript8
Programming languages (10)
Github contributions (5)
oleksanderkorn/pioneer
Apr 2022 - Mar 2023
Governance app for Joystream DAO
Contributions:82 pushes, 24 branches in 11 months
governanceblockchainjoystreamdao
oleksanderkorn/the-movie-db
Jul 2015 - Jul 2020
Contributions:3 pushes, 1 branch in 5 years
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