Dmytro Riazanov
Co-Founder at Ruby on Rails Freelance Development
California, United States
Summary
👤
Senior🎓
Top SchoolDmytro Riazanov is a seasoned software engineer and co-founder with over a decade building and leading Ruby on Rails teams and startups from California. He combines hands-on backend expertise—evidenced by contributions to the open-source Peatio crypto exchange fixing transaction processing, balance precision, and migrations—with product leadership as ScrumLaunch co-founder and former CTO at vLoop.io. Dmytro has led engineering teams delivering ad-tech portals and healthcare platforms, and sustains a long-running Rails consultancy since 2011 that keeps him close to implementation details. Trained in information security, he brings a pragmatic, security-minded approach to reliable transaction systems and database-heavy backends. Quietly versatile, he moves between coding, architecture, and operations, turning complex integrations into maintainable production services.
10 years of coding experience
3 years of employment as a software developer
Technician Computer Systems Networking and Telecommunications, Technician Computer Systems Networking and Telecommunications at Kharkiv Radio Engineering CollegeKharkiv National University of Radio Electronics
English, Russian, Ukrainian, German
Github Skills (12)
cryptocurrency10
bitcoin10
api10
postgresql10
bitcoins10
apidoc10
blockchain10
ruby10
trading9
trading-systems9
ethereum9
database-design8
Programming languages (3)
Github contributions (5)
openware/peatio
Jan 2018 - Jul 2018
Open-source crypto currency exchange software (https://openware.com)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:26 commits, 21 PRs, 13 comments in 5 months
Contributions summary:Dmytro focused on fixing bugs and implementing changes related to transaction processing, balance precision in markets, and database migrations. They modified code related to deposits, withdraws, and market configurations. Furthermore, the user addressed issues related to configuration and API versions within the exchange software. These changes likely involve core functionalities of the crypto currency exchange platform, showcasing expertise in managing and maintaining backend systems.
exchangeethereumcrypto-exchange-softwaretrading-platformcurrency-exchange
k1T4eR/peatio
Jan 2018 - Jun 2018
An open-source assets exchange.
Contributions:78 pushes, 29 branches in 4 months
ethereumassetscryptocurrencyexchange
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