Ivan Holub
Java Software Engineer at Evolution
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolIvan Holub is a Java Software Engineer with 11 years of professional experience and a decade-plus track record across banking, insurance, government, gambling, and gaming industries. He combines hands-on backend development with proven leadership as Technical Lead and Team Lead, having managed teams, driven architecture, performed code reviews, and handled production incident investigations. His technical toolkit centers on Java, Spring/Spring Boot, microservices, Kafka, Docker and databases (Oracle/Postgres), with additional exposure to Ruby/Rails and BDD testing. A strong mathematical background and formal CS education underpin his systematic approach to problem solving and system design. Based in Warsaw, he currently contributes to Evolution while bringing deep experience integrating complex gaming systems and scaling high-throughput services. Notably, he has repeatedly moved between individual contributor and leadership roles, which gives him both operational detail and team-level perspective.
11 years of coding experience
18 years of employment as a software developer
Mathematics, Computer Science, Mathematics, Computer Science at Belarusian State UniversityComputer Science, Computer Science at University of Mannheim
English, Russian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (67)
queue8
spring8
java8
filter8
json8
haiku7
tomcat7
automation-testing7
publish7
gulp7
redis-client7
api7
java-client7
shorturl7
spring-boot7
Programming languages (4)
Github contributions (5)
iholub/afc
Mar 2015 - Jun 2015
Contributions:60 commits, 56 pushes, 2 branches in 3 months
iholub/btcar
Jan 2015 - Sep 2015
Contributions:53 pushes, 1 branch in 8 months
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