Ruslan Voloshyn
Senior Full-Stack Engineer ML Systems Engineer at DNA
Odesa, Odesa Oblast, Ukraine
Summary
👤
Senior🎓
Top SchoolRuslan Voloshyn is a Senior Ruby on Rails engineer from Odesa with 15 years in software, specializing in backend systems, API design, payment integrations and high-performance web applications. He brings 9+ years building application servers and over 4 years creating server-administration tools for dedicated hosting, combining deep Rails and Ruby expertise with practical ops skills (AWS, XEN/KVM, Nginx/Apache). Comfortable across the stack, he applies TDD and tooling like RSpec, Sidekiq, Elasticsearch and Kafka to deliver resilient microservices and optimized performance. His background includes leading backend teams at cloud and telecom-focused companies and turning complex infrastructure requirements into manageable, documented APIs. Notably, he pairs long-term production experience with hands-on deployment and monitoring know-how, enabling rapid troubleshooting of real-world bottlenecks.
16 years of coding experience
19 years of employment as a software developer
Bachelor of Engineering (BEng), Telephone networks, Bachelor of Engineering (BEng), Telephone networks at kiev railway technical college ostrovskyLinux system administrator., Red Had linux system administarion, Linux system administrator., Red Had linux system administarion at Computer Academy STEPEngineer's degree, Mobile telecomunication, Engineer's degree, Mobile telecomunication at Odessa National Telecommunications Academy
English, Ukrainian
Stackoverflow
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Github Skills (57)
activemodel10
avro9
ruby9
rails9
elastic9
elasticsearch8
activerecord8
ruby-on-rails8
schema8
bootstrap7
udp7
api-platform7
plugin7
tcp7
bert7
Programming languages (3)
Github contributions (5)
bublik/chat
Aug 2013 - Feb 2015
Contributions:353 commits, 9 pushes in 1 year 5 months
chatxmppsupport-chatchat-system
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