Сергій О
Java Software Developer Engineer at Triolan
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolСергій О — Java Software Developer with 9 years of hands-on experience based in Kyiv, Ukraine, currently developing backend systems at Hexlet while also serving in a technical role at Triolan. He holds a Master's in Information Security and blends secure-by-design principles into everyday engineering decisions. Сергій focuses on reliable, maintainable Java solutions and brings practical experience from long-term product work since 2016. Colleagues value his steady delivery rhythm and attention to operational concerns that keep services resilient in production. Though not a prolific public GitHub contributor, his deep institutional knowledge and security background make him a strong asset for teams balancing feature velocity with safety.
9 years of coding experience
Магістр, Інформаційна безпека., Магістр, Інформаційна безпека. at Навчально-науковий інститут інформаційної безпеки
Github Skills (44)
advanced-rest-client10
jmh8
sun8
command-line-tool8
mobilenet8
java8
pose7
static-analysis7
intellij-idea7
conventions7
keras6
sdkman6
sublime6
desktop-application6
static-code-analysis6
Programming languages (8)
Github contributions (5)
Kovalevskyi-Academy/collections-m0e4
Mar 2018 - May 2020
test of the Basic Collection implementaiton with JMH
Contributions:9 commits, 5 pushes in 2 years 2 months
testingkotlinjavajmh
seralekseenko/m0e3_JAX-RS
Jan 2018 - Nov 2020
Contributions:1 PR, 8 pushes, 2 branches in 2 years 9 months
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