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Semen Gulenko Email & Phone Number
Java Software Engineer
at
Onlyplay News | Games Provider
LinkedIn matched
✓ Verified August 2026
3 data sources
Profile completeness 86%
Current company
Role
Java Software Engineer
Location
Kharkiv, Ukraine
Company size
Who is Semen Gulenko? Overview
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Quick answer
Semen Gulenko is listed as Java Software Engineer at Onlyplay News | Games Provider, a with 2 employees, based in Kharkiv, Ukraine. AeroLeads shows a matched LinkedIn profile for Semen Gulenko.
Semen Gulenko previously worked as Java Software Developer at Onlyplay | Games Provider and Java Software Developer at Nda. Semen Gulenko holds Master'S Degree, Computer Software Engineering from Kharkiv National University Of Radioelectronics.
Company email context
Email format at Onlyplay News | Games Provider
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Onlyplay News | Games Provider
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Profile bio
About Semen Gulenko
♻️ Web: Java, Protocol Buffers, Docker, Netty (WS, HTTP, TCP, UDP)♻️ Build: Maven, Gradle, GitHub Actions♻️ DB & Migration: PostgreSQL, Redis (Cluster, Sentinel, RAFT strong-consistency module), KeyDB (active-active, master-master replication), MySQL, Liquibase, Flyway♻️ Docs management: FireBase, Apache POI, ApachePDFBox♻️ VCS: GitHub, BitBucket♻️ Performance: Jmap, Jconsole, VisualVM, JMeter♻️ Testing: JUnit 4/5, Mockito, PowerMock
Current workplace
Semen Gulenko's current company
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Onlyplay News | Games Provider
3 roles
Semen Gulenko work experience
A career timeline built from the work history available for this profile.
Java Software Developer
Java Software Developer
Nda
- Designed and implemented ApachePOI and ApachePDFBox document templates.- Increased PostgreSQL database performance by 30% using Redis caching.
Jan 2022 - Feb 2023
2 education records
Semen Gulenko education
Master'S Degree, Computer Software Engineering
Bachelor'S Degree, Computer Software Engineering
FAQ
Frequently asked questions about Semen Gulenko
Quick answers generated from the profile data available on this page.
What company does Semen Gulenko work for?
Semen Gulenko works for Onlyplay News | Games Provider.
What is Semen Gulenko's role at Onlyplay News | Games Provider?
Semen Gulenko is listed as Java Software Engineer at Onlyplay News | Games Provider.
Where is Semen Gulenko based?
Semen Gulenko is based in Kharkiv, Ukraine while working with Onlyplay News | Games Provider.
What companies has Semen Gulenko worked for?
Semen Gulenko has worked for Onlyplay News | Games Provider, Onlyplay | Games Provider, and Nda.
How can I contact Semen Gulenko?
You can use AeroLeads to view verified contact signals for Semen Gulenko at Onlyplay News | Games Provider, including work email, phone, and LinkedIn data when available.
What schools did Semen Gulenko attend?
Semen Gulenko holds Master'S Degree, Computer Software Engineering from Kharkiv National University Of Radioelectronics.
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