Ivan Petrakov
Senior Staff Software Engineer (Ruby Ruby On Rails) at Grid Dynamics
Belgrade, Central Serbia
Summary
👤
Senior🎓
Top SchoolIvan Petrakov is a Senior Staff Software Engineer with 11 years specializing in architecting high-performance Ruby on Rails systems that serve millions of users. Based in Belgrade, he has a strong track record of measurable impact—reducing search response times by 550%, cutting interaction times with smart breadcrumbs by 325%, and improving query and parsing speeds up to 900% and 700% respectively. He combines deep backend expertise (Postgres, Elasticsearch, Sidekiq, microservices) with hands-on DevOps and test automation, and has interviewed 100+ senior engineers while mentoring juniors. Ivan also contributes to open source (OmniAuth ESIA gem) and excels at turning complex data integration challenges into robust, production-ready solutions.
11 years of coding experience
6 years of employment as a software developer
Master's degree, Computer Science, Master of CS, Master's degree, Computer Science, Master of CS at Bauman Moscow State Technical University
German, English
Github Skills (20)
move8
smart-contracts8
throughput8
latency8
blockchain8
sui8
contract8
solidity8
omniauth8
low-latency7
ethereum7
oauth7
cosmwasm7
aptos6
distributed-ledger-technology6
Programming languages (2)
Github contributions (5)
Elsant/simple_server
Jul 2022 - Sep 2022
Contributions:6 pushes, 1 branch in 2 months
Elsant/locator
Sep 2018 - Sep 2018
Contributions:5 pushes, 1 branch in 1 day
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