Aleksei Voitylov
CTO at BellSoft
Almaty, Kazakhstan
Summary
🤩
Rockstar🎓
Top SchoolAleksei Voitylov is a seasoned engineering leader and CTO with eight years of senior experience building and assuring complex JVM-based systems from embedded devices to mainline OpenJDK. He combines hands-on backend development—contributing fixes and platform-specific work to high-profile projects like OpenJDK—with strategic leadership gained at Oracle where he managed global quality and performance teams delivering major Java SE features. Aleksei excels at improving testability, shortening release cycles, and integrating challenging features (Jigsaw, AOT, Graal) while growing cross-geo engineering talent. Based in Almaty, Kazakhstan, he pairs deep low-level Java and build-system expertise (including AArch64 and minimal VM builds) with a track record of turning intricate test and integration problems into repeatable engineering practices.
8 years of coding experience
11 years of employment as a software developer
Doctor of Philosophy (PhD), Doctor of Philosophy (PhD) at Saint Petersburg State University
English, Russian
Github Skills (13)
javas10
openjdk10
merge-conflicts10
jvm10
java10
concurrency10
image-processing9
font-rendering9
build-system9
compiler-optimization9
arm8
cprogramming-language7
c-language7
Programming languages (8)
Github contributions (5)
JetBrains/jdk8u_jdk
Apr 2019 - Dec 2019
Role in this project:
Backend Developer
Backend DeveloperContributions:9 commits, 5 PRs in 8 months
Contributions summary:Aleksei primarily addressed merge conflicts and resolved integration issues within the Java codebase of the JDK. Their work focused on resolving conflicts arising from multiple backports and changes, specifically in areas like windowing, image processing, and font rendering. They also contributed to the resolution of compilation errors and integration of fixes from different branches. The contributions reveal a focus on maintaining the stability and integrity of the core Java runtime environment.
openjdk/jdk
Aug 2022 - Sep 2022
JDK main-line development https://openjdk.org/projects/jdk
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 review in 22 days
Contributions summary:Aleksei's commits primarily focus on addressing build issues, fixing compiler test issues, and refactoring code related to the Java Development Kit (JDK). Their work involves modifying core Java code files and test files, indicating a deep understanding of the JDK's internal workings. The contributions include changes related to the AARCH64 architecture and minimal VM builds, suggesting a focus on platform-specific and core system-level development within the JDK project.
openjdkjavajvmjdk
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