Nikolay Kulchinskiy
Java Developer at Semrush
Prague, Prague, Czechia
Summary
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Senior🎓
Top SchoolNikolay Kulchinskiy is a pragmatic Java backend engineer with over a decade of experience designing and delivering scalable, fault-tolerant microservices, currently building cloud-native systems at Semrush. He specializes in modern Java (17+), Spring/WebFlux, PostgreSQL, Redis and GCP services (Pub/Sub, BigQuery) and brings hands-on expertise in k8s, observability (Splunk, Grafana, Prometheus) and test automation. His background spans rising technical leadership responsibilities—owning architecture and team technical strategy as a former Technical Lead—while remaining a practitioner who writes production-grade code and tests with JUnit/Mockito and Testcontainers. Comfortable across polyglot stacks from PHP and Go to modern Java, he has repeatedly shipped public-facing features and platform services for high-traffic marketing products. Based in Prague, he combines a systems-oriented engineering mindset with a willingness to tackle the toughest performance and scalability challenges.
11 years of coding experience
11 years of employment as a software developer
Специалист, Автоматизированные Системы Обработки Информации и Управления, Специалист, Автоматизированные Системы Обработки Информации и Управления at Санкт-Петербургский государственный электротехнический университет «ЛЭТИ» им. В.И. Ульянова (Ленина)
Русский, Английский, ЧешскийGithub contributions (5)
NPreston/sweater
Feb 2019 - May 2019
Contributions:15 pushes, 1 branch in 2 months
NPreston/e4e5
Sep 2015 - Sep 2015
Contributions:7 pushes, 1 branch in 17 days
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