Valentin Udaltsov
Software Engineer
Summary
🤩
RockstarValentin Udaltsov is a seasoned PHP software engineer with 11 years of experience and a strong track record in open-source contributions. He has contributed meaningful bug fixes, refactors, and feature support to high-profile projects like Symfony and Psalm, improving validation, form handling, and static analysis for PHP. Valentin blends backend focus with occasional full-stack and documentation work, having updated TwigBridge theming, Symfony docs, and framework internals. His contributions show attention to edge cases—handling null exceptions, DateTimeImmutable transformations, and nuanced type analysis for array functions. A regular OSS speaker and author behind the PHPyh Telegram channel, he closes the loop between community education and code quality. His background suggests a developer who cares as much about correct APIs and tests as about practical developer ergonomics.
11 years of coding experience
Github Skills (33)
url-routing10
type-inference10
symfony-component10
static-analysis10
restructuredtext10
bootstrap10
testing10
rs10
doc10
php10
symfony10
symfony-ux10
html10
bootstra10
twig10
Programming languages (13)
Github contributions (5)
symfony/form
Nov 2017 - Dec 2020
Allows to easily create, process and reuse HTML forms
Role in this project:
Back-end Developer
Back-end DeveloperContributions:17 commits in 3 years 1 month
Contributions summary:Valentin contributed to the Symfony Form component by addressing several issues and adding support for new features. Their work included fixing a bug related to the TwigBridge and Bootstrap 4 templates, specifically correcting the form-check-input class. They also added support for DateTimeImmutable objects within the form component, including the necessary data transformers for time and date handling. Furthermore, they refactored some internal choice list implementations and corrected an error in the default choice list factory tests.
html-formphpsymfonysymfony-component
symfony/symfony-docs
Dec 2015 - Dec 2020
The Symfony documentation
Role in this project:Technical Writer
Technical WriterContributions:10 commits, 11 PRs, 47 comments in 5 years
Contributions summary:Valentin primarily contributed to the Symfony documentation repository by updating existing documentation and adding explanations. Their changes involved modifying various `.rst` files to correct information, add details, and clarify specific concepts related to Symfony forms, data mappers, and the UID component. They also added examples to the configuration and updated code style in the docblock annotations, demonstrating an attention to detail and understanding of the Symfony framework.
symfonyphp
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