Oleksandr Andriiako
Staff DevOps Performance Engineer at Phalcon PHP Framework
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolOleksandr Andriiako is a Staff DevOps Performance Engineer based in Kyiv with over a decade of hands-on experience optimizing high-load distributed systems and building automated performance tooling. He designs AI-driven performance analysis and prediction tools, leads profiling and load-testing efforts, and translates complex telemetry into actionable continuous-performance metrics across Kubernetes and multi-language stacks. A core developer of Zephir and contributor to the popular ImageSharp and Phalcon projects, he brings deep expertise in CI/CD, cross-platform compatibility, and low-level build automation—evidenced by macOS libgdiplus integration and Windows build scripting for PHP extensions. His background spans C/C++, .NET, Java, PHP and systems engineering, enabling him to find concurrency bottlenecks from application code to infrastructure. Beyond conventional performance work, he applies compiler- and language-level improvements (Zephir/Phalcon) to squeeze latency and cost out of production systems.
8 years of coding experience
9 years of employment as a software developer
Postgraduate student, Technical protection of information, Postgraduate student, Technical protection of information at National Aviation UniversityHighload software architecture, Highload software architecture at Projector onlineMicroservices Architecture, Microservices Architecture at robot_dreamsDeveloper club
Github Skills (30)
image-processing10
testing10
windows10
net10
dotnet10
drawing10
cicd10
asp-net10
automation10
php10
code-generation10
netcore10
powershell10
macos10
automations10
Programming languages (18)
Github contributions (5)
zephir-lang/zephir
May 2018 - Feb 2022
Zephir is a compiled high-level language aimed to ease the creation of C-extensions for PHP
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:2 releases, 104 reviews, 406 commits in 3 years 9 months
Contributions summary:Oleksandr primarily contributed to the Zephir programming language project by fixing bugs, enhancing the code generation process, and improving test coverage. The user's work included addressing issues related to the generation of stubs and docblocks. Additionally, the user worked on resolving issues such as correcting C escape sequences. They also refactored the tests, addressing code style warnings, and adding tests for various aspects.
skeletonphpphp-extensionshigh-levelphalcon
phalcon/cphalcon
Mar 2020 - Feb 2022
High performance, full-stack PHP framework delivered as a C extension.
Role in this project:DevOps Engineer
DevOps EngineerContributions:4 reviews, 211 commits, 9 PRs in 1 year 10 months
Contributions summary:Oleksandr primarily contributes to the continuous integration and continuous deployment (CI/CD) pipeline for the Phalcon framework, focusing on the Windows build environment. The commits involve modifying PowerShell scripts for installing PHP SDK binary tools, PHP source code, and development packs, and also for configuring the environment. The user demonstrates expertise in scripting and automation by implementing features to handle dependencies and improve build processes for the C extension framework.
full-stackphpframeworkphalconphp-extension
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