Sergey Chernyshev
Senior Java Platform Engineer
Greater Freiburg Area Germany
Summary
👤
Senior🎓
Top SchoolSergey Chernyshev is a Senior Java Platform Engineer based in the Greater Freiburg Area with two decades of software engineering experience and over a decade focused on security and Java platform work. He currently contributes to the core Liberica JDK and OpenJDK, delivering security updates and participating in OpenJDK’s vulnerability group, blending deep platform expertise with operational customer support. His background spans anti-malware research and threat analysis at Microsoft and Yandex, where he combined telemetry, ML methods and hands‑on reverse engineering to track large-scale infections. Sergey has also led blockchain R&D and SSI projects, building PoCs and backend services in Kotlin/Spring and working with Indy, Corda and Fabric. Early career work on high-performance antivirus engines and DRM/cryptographic modules gives him a rare mix of low-level systems, security engineering and product-focused delivery. Colleagues would note his knack for turning complex security problems into practical platform improvements that scale in production.
11 years of coding experience
15 years of employment as a software developer
Master's degree, Mathematics, Master's degree, Mathematics at Saint Petersburg State Polytechnical UniversityComputer Science, Computer Science at ФМЛ №239
English, Russian, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (37)
jvm10
java10
openjdk10
intellij-plugin10
intellij-platform10
intellij9
indy9
runtime-environment9
openjfx9
decentralized-identity8
corda8
blockchain-network8
dfinity8
javafx8
sdk8
Programming languages (6)
Github contributions (5)
sercher/cordentity
Feb 2019 - Nov 2019
The Cordentity app integrates Indy capabilities into the Corda platform.
Contributions:3 PRs, 103 pushes, 6 branches in 8 months
capabilitiescordacordentityindy
sercher/jdk
May 2021 - Mar 2025
JDK main-line development
Contributions:67 pushes, 6 branches in 3 years 10 months
javajvmjdk
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