Sergey Shlyazhko
Senior Java Software Engineer at Rostselmash
Minsk, Russia
Summary
👤
Senior🎓
Top SchoolSergey Shlyazhko is a Senior Java Software Engineer with six years of experience specializing in backend development, microservices architecture, and high-load distributed systems. He leads technical strategy and cross-team architecture work, having unified 40+ microservices with shared BOMs and Spring Boot starters while driving migrations to Java 17 and Spring Boot 3. Sergey combines deep Spring ecosystem expertise with practical performance wins—2.5x resource reduction and 40–45% query speedups on analytics pipelines processing 20K+ messages/minute. He also modernized security stacks (CAS, WebFlow), eliminating 15+ critical vulnerabilities and raising test coverage above 90% with Testcontainers. Coming from an engineering research background, he brings a methodical, measurement-driven approach to system design and team practices, and he actively invests in system architecture and algorithms education.
6 years of coding experience
9 years of employment as a software developer
Bachelor's degree Mechanical Engineering | Technological equipment of machine-building production, Bachelor's degree Mechanical Engineering | Technological equipment of machine-building production at Belarusian National Technical UniversityJava Developer, Java Developer at ITRex GroupAlgorithms and Data Structures, Algorithms and Data Structures at Yandex Practicum
Russian, Russian, English
Github Skills (18)
nodejs10
nestjs9
javascript9
npm9
rbac9
typescript9
server-side9
nest9
microservices8
scalable8
js-framework8
progressive8
bull7
nodejs-framework7
transport7
Programming languages (2)
Github contributions (5)
sergey-telpuk/nestjs-transport-eventbus
Dec 2019 - Dec 2019
Awesome Transport EventBus for Nestjs
Contributions:22 commits in 5 days
nestjsnestnodejstransporteventbus
sergey-telpuk/nestjs-rbac
Sep 2019 - Nov 2019
Awesome RBAC for NestJs
Contributions:60 commits in 1 month
nestjsjavascriptrbacnestnodejs
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