Leonid Morozov
Senior Developer at BookingSync
St Petersburg, St Petersburg City, Russia
Summary
👤
Senior🎓
Top SchoolLeonid Morozov is a Senior Developer based in St. Petersburg with over 13 years of professional experience and a 15+ year background building web applications and hi-load backend systems. He specializes in API and database design, performance tuning for large datasets, and pragmatic application architecture, having handled systems processing millions of records and real-time tops for tens of millions of accounts. At companies like BookingSync, OpenEd.io and Playkot he delivered scalable Ruby on Rails APIs, recommendation engines using machine learning, full-text smart search and extensive DB optimizations. He combines hands-on system administration and migration experience (SVN→Git, MySQL→Redis plans) with regular code review and team mentorship. Notably, his work spans both product-facing APIs and the instrumentation/analytics that keep high-traffic services reliable and performant.
13 years of coding experience
17 years of employment as a software developer
Mathematics and Computer Science, Mathematics and Computer Science at Saint-Perersburg Univirsity
English, Russian
Github Skills (37)
pg-search9
trigrams9
scopes9
metaphone9
multi-search9
api8
text-search7
activerecord6
full-text-search6
rails6
ruby6
postgresql6
decrypt5
sentiment-analysis5
nltk5
Programming languages (2)
Github contributions (5)
LeonidMorozov/anemone
Nov 2012 - Mar 2016
Contributions:7 commits, 2 PRs, 3 pushes in 3 years 5 months
pythonspiderspider-frameworkframeworkweb-spider
openedinc/lti_provider_engine
Oct 2015 - Feb 2016
Contributions:31 PRs, 17 pushes, 29 branches in 4 months
rails-appparametersrailsltiruby
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