Kostiantyn Miakshyn
Consultant at METRO Markets GmbH
Kyiv, Ukraine
Summary
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RockstarKostiantyn Miakshyn is a Kyiv-based consultant with 15 years of hands-on experience building and hardening PHP/Symfony applications and distributed web systems. He contributes deeply to core Symfony components—mailer, security, http-kernel, and framework-bundle—focusing on error handling, refactors, transport integrations and maintainability improvements that benefit large ecosystems. Comfortable across back-end and front-end work, he has also improved Nextcloud UI/UX and fixed cross-cutting bugs, showing full‑stack agility. His open-source track record highlights a pragmatic emphasis on reliability, clearer developer experience, and smooth integrations with external services like Gmail, Mailgun and SendGrid. Notably, he blends production-grade engineering with careful documentation and tests, making upgrades and migrations less risky for downstream projects.
15 years of coding experience
Github Skills (48)
unit-testing10
authorizations10
react-components10
symfony-component10
admin10
symfony-bundle10
annotations10
testing10
forms10
react-component10
annotation-processing10
phpunit10
php10
component-kit10
exception-handling10
Programming languages (18)
Github contributions (5)
dustin10/VichUploaderBundle
Aug 2013 - Jan 2018
A simple Symfony bundle to ease file uploads with ORM entities and ODM documents.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:27 commits, 30 PRs, 182 comments in 4 years 5 months
Contributions summary:Kostiantyn primarily contributed to the core functionality of the `vichuploaderbundle` repository, focusing on enhancing its file upload capabilities within a Symfony environment. They made several code modifications, including improvements to annotation handling, the integration of directory namers, and the implementation of file information storage. Their work included refactoring and adding tests for the improved features. These contributions demonstrate a clear focus on improving the bundle's features.
bundlephpsymfony-bundleodmdoctrine
symfony/framework-bundle
Apr 2013 - Jul 2019
Provides a tight integration between Symfony components and the Symfony full-stack framework
Role in this project:Back-end Developer
Back-end DeveloperContributions:18 commits in 6 years 4 months
Contributions summary:Kostiantyn made several contributions focused on improving the Symfony Framework Bundle. Their work includes implementing fatal error logging, refactoring code related to template shortcuts, and removing unused imports. Furthermore, the user updated the codebase by allowing the registration of mailer configurations in XML format, adding transport factories, improving messenger error messages, and refactoring mailer bridge transport classes. These changes suggest a focus on enhancing core functionality and integrating new features within the Symfony framework.
translationsvalidationbundlephpsymfony-bundle
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