Oleh Yermolaiev
Software Developer & Technical Lead at SysGears
Ukraine
Summary
🤩
Rockstar🎓
Top SchoolOleh Yermolaiev is a Software Developer and Technical Lead with 12 years of experience building fault-tolerant REST and GraphQL APIs and full-featured web applications in Scala and Java. Based in Ukraine, he leads a Scala development team at SysGears, delivering resilient services with Play, Akka-HTTP and Scalatra while applying agile practices. He designs efficient relational and document schemas (Postgres, MySQL, MongoDB) and architects ETL and online/offline reporting solutions that run on AWS. Comfortable across the stack, he also develops web clients from Twirl templates to Angular SPAs, ensuring end-to-end integration. Known for pragmatic engineering, he combines hands-on coding with team leadership to turn complex requirements into reliable production systems. His strong academic foundation — a Master’s in Computer Science with top marks — underpins a disciplined approach to software design and operational robustness.
12 years of coding experience
Master's degree, Computer Science, 93/100, Master's degree, Computer Science, 93/100 at Dnipropetrovs'kij Nacional'nij Universitet
Ukrainian, Russian, English
Github Skills (49)
andriod10
ngrx9
seo9
webpack9
code-reuse9
docker9
apollo9
react9
auth9
boilerplate9
graphql8
angular8
threat-intelligence8
typescript8
expo8
Programming languages (3)
Github contributions (5)
oermolaev/zookeeper-config-example
Aug 2014 - Dec 2017
Contributions:15 commits, 1 PR, 7 pushes in 3 years 4 months
zookeeperapache-zookeeperapachecentralized-configurationstorage
oermolaev/grain-theme-template-similar-posts
Sep 2016 - Aug 2018
Contributions:7 commits, 4 pushes in 1 year 10 months
themestemplategrain
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.