Sergey Mareychev
Senior Software Engineer at SEMrush
Tbilisi, Georgia
Summary
👤
Senior🎓
Top SchoolSergey Mareychev is a Senior Software Engineer with nearly 12 years of experience building high-throughput backend systems and infrastructure. He routinely authors Kotlin and Java services at scale, and has been pioneering Spring Boot Native and GraalVM native compilation in production. Sergey combines deep backend expertise (Kafka, PostgreSQL, ClickHouse, Redis, MongoDB) with hands-on DevOps skills—writing Helm charts, Kubernetes manifests, and GitLab CI pipelines while operating on GCP. He has designed clusters processing up to 100k events/sec and prepared security-sensitive products for certification, reflecting strong performance and reliability focus. Based in Tbilisi, he’s a continual learner who builds core platform components from source and often optimizes both Linux and application performance.
11 years of coding experience
7 years of employment as a software developer
Бакалавр, Разработка программного обеспечения, Бакалавр, Разработка программного обеспечения at Новосибирский Государственный Технический Университет (НГТУ)
Github Skills (16)
json-api9
api8
java-client8
specification8
json6
json-schema6
java6
database5
jdbc5
openapi5
api-specification5
trading4
clickhouse4
crypto3
streaming3
Programming languages (2)
Github contributions (5)
devslm/jsonapi-simple
Oct 2019 - Nov 2022
Simple implementation of the JSON:API specification (only required output fields)
Contributions:16 releases, 12 commits, 45 pushes in 3 years 1 month
apijsonapispecificationapi-specificationfields
devslm/proguard-spring-boot-example
Feb 2018 - Oct 2021
Contributions:4 releases, 10 commits, 19 pushes in 3 years 8 months
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