Stanislav Eismont
Senior Software Developer at Utimaco
Aachen, North Rhine-Westphalia, Germany
Summary
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Rockstar🎓
Top SchoolStanislav Eismont is a Senior Software Developer with over eight years of experience building high-performance, real-time systems for advertising and social media platforms, now based in Aachen, Germany. He has a strong C++ background demonstrated by work on KPHP at VK—optimizing PHP-to-C++ compilation, reducing PHP-array memory by up to 20%, and adding coroutine-friendly Curl support—and earlier achievements include redesigning multithreading to boost an RTB server by 15–30%. Stanislav excels at low-level performance engineering: network drivers, custom network threads, memory-efficient in-memory search algorithms, and compiler optimizations such as smartcasts and precomputed hashes. Trained as a physicist (MSc), he brings analytic rigor to complex systems and a knack for turning algorithmic improvements into measurable production gains.
6 years of coding experience
9 years of employment as a software developer
National University of Science and Technology "MISIS" (Moscow Institute of Steel and Alloys)
Russian, German, English
Github Skills (10)
compiler-optimization10
c-language10
cprogramming-language10
set-operations9
operation9
array-merge9
array-iterator9
code-generation9
array-comparison9
error-handling8
Programming languages (2)
Github contributions (5)
VKCOM/kphp
Jun 2021 - Jan 2023
KPHP — a PHP compiler
Role in this project:
Back-end Developer
Back-end DeveloperContributions:178 reviews, 103 commits, 153 PRs in 1 year 7 months
Contributions summary:Stanislav primarily focused on optimizing and extending the KPHP compiler's functionality. Their work included optimizing array operations for integer arrays, adding support for math constants, implementing smartcasts in conditions, precomputing hashes, and extending the compiler to gracefully handle class-not-found errors. The contributions suggest a focus on improving performance, features, and error handling in the compiler's core logic. Additionally, the user worked on adding support for the DateInterval class.
kphpphp-compilerphpphp71phalcon
VKCOM/kphp-polyfills
Jan 2022 - Dec 2022
Contributions:4 reviews, 42 commits, 5 PRs in 11 months
kphpimplementationsphpsupportedphp71
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