Rostyslav Koval
Java Team Lead at Raiffeisen Bank Ukraine
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolRostyslav Koval is a Java Team Lead based in Kyiv with eight years of experience building and modernizing banking systems using Java, Spring, PostgreSQL and cloud-native tooling. He has advanced from junior roles to leading teams at Raiffeisen Bank Ukraine, driving both monolith refactors and microservice development while mentoring peers and enforcing high code quality. A practical engineer, he created custom static analysis tooling (PMD & Checkstyle integrations) and contributes to open-source projects like enumerable4j and arch4u-pmd to codify best practices. Comfortable across the delivery stack—from CI/CD and Kubernetes to Kafka and Testcontainers—he combines hands-on implementation with product-focused design and a knack for pragmatic automation.
8 years of coding experience
6 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (34)
connected10
kpi10
ada10
computer-engineering10
system-programming9
java9
vhdl9
enumerable9
cpp8
python8
android8
security8
java-collections7
hadoop7
streams-api7
Programming languages (5)
Github contributions (5)
smithros/java-design-patterns
Oct 2018 - Jul 2021
Java Patterns
Contributions:2 PRs, 14 pushes, 3 branches in 2 years 9 months
javapatterns-javapatterns
smithros/booknet
Jan 2021 - May 2022
My bachelor's diploma work. Stack: Spring Boot, Hibernate, JPA, Spring Data, Angular, PostgreSQL
Contributions:1 release, 137 commits, 39 PRs in 1 year 5 months
angularhibernatejpapostgresqlspring
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.