Sergiy Cowtown
IT Consultant at Dhollandia
Elin Pelin, Sofia, Bulgaria
Summary
👤
Senior🎓
Top SchoolSergiy Cowtown is an experienced IT consultant and hands-on software engineer with over two decades of Linux and Java expertise and eight years focused on commercial blockchain solutions. He co-founded Chainoid to architect Hyperledger Fabric and Multichain projects, and currently drives IT consulting at Dhollandia, blending startup agility with enterprise-grade payment and fintech experience. Sergiy’s background spans embedded systems, CTI, and full-stack JavaEE payment platforms for European banks, giving him uncommon depth across low-level firmware to distributed ledger applications. Known for commercial awareness and delivery within budgets and deadlines, he pairs practical engineering with blockchain evangelism since 2014. Based in Sofia, he brings both R&D pedigree from early embedded work and a track record of translating complex technical requirements into deployable, auditable systems.
8 years of coding experience
21 years of employment as a software developer
Математика, Математика at Киевский государственный унивеситет им. Т.Г.ШевченкоMS, Электронные вычислительные машины, комплексы, сети., MS, Электронные вычислительные машины, комплексы, сети. at Киевский политехнический институт (КПИ).
Русский, Английский, Немецкий
Stackoverflow
1reputation
0reached
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Github Skills (16)
hyperledger-fabric8
hyperledger7
fabric7
chaincode7
parsel6
blockchain6
sandbox5
searching4
consensus3
kafka3
search-engine2
rest2
minecraft2
system-monitoring1
monitoring1
Programming languages (1)
Github contributions (5)
chainoid/elza
Feb 2018 - Feb 2019
Hyperledger test application for Repository of Student Tests (ReST)
Contributions:18 commits, 16 pushes, 1 branch in 1 year
hyperledgerfabricblockchaincumulative-record-filerest
chainoid/bloodradar
Feb 2019 - Aug 2019
BloodBank Searching and Reporting System
Contributions:33 commits, 31 pushes, 1 branch in 5 months
search-enginesearchingbloodbankreporting
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