Oleh Tsymaienko
Senior Full Stack Software Engineer at idealo internet GmbH
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolOleh Tsymaienko is a Senior Full Stack Software Engineer based in Berlin with 10 years of experience building cloud-native microservices and enterprise systems using Java/Kotlin, Spring Boot, Hibernate, Docker/K8s and AWS. He currently shapes product and delivery at idealo, combining hands-on coding with planning, estimation, code review and team mentoring while practicing TDD, Clean Code and SOLID principles. His background spans technical lead and developer roles across airline, education and logistics domains, with deep experience optimizing performance (Oracle/Hibernate) and designing resilient RESTful APIs and event-driven systems. A pragmatic engineer comfortable across back end, front end (TypeScript/CSS) and infrastructure, he also drives CI/CD and automated delivery in production. Early entrepreneurial experience co-founding a Linux distribution/billing startup shows he brings both system-level ops knowledge and product-minded ownership. Colleagues rely on him for steady delivery, technical stewardship and practical performance problem-solving.
10 years of coding experience
22 years of employment as a software developer
Specialist, Automated information processing and control systems, Systems Engineer, Specialist, Automated information processing and control systems, Systems Engineer at Kyiv National University of Construction and Architecture
English, Russian, Ukrainian
Stackoverflow
1reputation
0reached
2answers
0questions
Github Skills (22)
appender10
logging6
apache-kafka6
kafka-cluster6
spring-mybatis6
mybatis6
intellij-idea6
logback6
logstash5
kafka-streams5
kafka-connect5
kafka4
streaming-data4
kafka-producer4
thumbnails4
Programming languages (1)
Github contributions (5)
tsyma/logstash-logback-http
Jan 2021 - Sep 2022
Contributions:16 releases, 2 reviews, 14 commits in 1 year 8 months
appenderlogstashlogbacklogging
tsyma/cds
Jun 2021 - Sep 2021
Contributions:2 PRs, 4 pushes, 2 branches in 3 months
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