Denys Kovalevskyi
Scala Backend Software Engineer at emnify
Hanau, Hesse, Germany
Summary
👤
Senior🎓
Top SchoolDenys Kovalevskyi is a pragmatic Scala backend engineer with over a decade of experience building maintainable, production-grade services across fintech and telecom contexts. Currently at emnify, he has a long history of Scala-focused roles and contract work (QOMPLX, Fractal Industries) and a background in Java enterprise systems that informs his pragmatic design choices. He favors concise, expressive code—“less code, easy to maintain, easy to improve”—and brings deep familiarity with Play, Akka, Slick and reactive patterns. Comfortable across the stack from databases to deployment, he pairs hands-on implementation of critical components with architecture-level thinking. Based in Hanau, Germany, he combines steady long-term project involvement with a preference for simplifying codebases (DELETE is his favorite key), making him effective at reducing technical debt while keeping systems extensible.
13 years of coding experience
17 years of employment as a software developer
Junior bachelor Software development, Junior bachelor Software development at Separate Structural Unit Zaporizhzhia Electrotechnical Professional College of Zaporizhia Polytechnic National University
Github Skills (110)
python10
gremlin10
reactive10
r10
solr10
scale10
sql10
spark10
jvm10
graph10
java10
scala10
jdbc10
restful10
driver10
Programming languages (4)
Github contributions (5)
xdev-developer/gen4s
Dec 2023 - Mar 2025
Data generator tool for developers and QA engineers.
Contributions:106 reviews, 201 PRs, 197 pushes in 1 year 3 months
xdev-developer/migrations-maven-plugin
Feb 2014 - Jan 2017
Contributions:6 commits, 1 push in 2 years 10 months
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