Robin Chalas
Co-Founder & CEO at baksla.sh
Lyon, Auvergne-Rhône-Alpes, France
Summary
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Rockstar🎓
Top School
Top expert inPHP Development and E-commerce Web Technologies
Robin Chalas is a Co-Founder & CEO and seasoned software architect with 11 years building and maintaining PHP/Symfony systems, currently running baksla.sh and formerly VP Engineering at alximy. A long-time Symfony Core Team member and maintainer of LexikJWTAuthenticationBundle, he combines hands-on backend expertise (PHP, Go, Python, Docker, Redis, SQL) with strong contributions to flagship projects like Symfony, Twig and API Platform. He’s equally comfortable improving core framework internals—dependency injection, security, mailer, and HTTP components—as he is shipping production APIs and developer tooling. An experienced coach, trainer and international speaker, he pairs technical leadership with test automation and documentation work that keeps ecosystems healthy. Notably, his commits span deep fixes (lazy-loading auth, SMTP/TLS handling, container improvements) and practical testing enhancements such as BrowserKit’s jsonRequest, reflecting both curiosity and pragmatic problem-solving.
11 years of coding experience
9 years of employment as a software developer
Epitech
symfony (framework php), laravel (framework php), unix (environnement), shell
Stackoverflow
13,059reputation
1.1mreached
372answers
18questions
forms
top-5%
doctrine-orm
top-1%
twig
top-5%
php
top-1%
symfony
top-1%
json
top-5%
Github Skills (111)
url-routing10
e2e-testing10
psr-610
sendmail10
php-java-bridge10
testing10
command-line-interface10
http10
authentication10
test-framework10
smtps10
file-operations10
phpunit10
security10
e-mail10
Programming languages (16)
Github contributions (5)
lexik/LexikJWTAuthenticationBundle
Mar 2016 - Jan 2023
JWT authentication for your Symfony API
Role in this project:
Back-end Developer
Back-end DeveloperContributions:73 releases, 111 reviews, 492 commits in 6 years 11 months
Contributions summary:Robin's contributions primarily focused on enhancing the security and functionality of the Symfony API. They added features to handle invalid tokens, improve OpenSSL key loading, and introduced events for more flexible authentication flows. Additionally, the user implemented a token authentication method, providing support for a chain of user providers to load different user classes. The user also made changes to testing files, further refining the bundle's robustness.
apiphpauthenticationsymfony-bundlesymfony-api
symfony/security-bundle
Jul 2016 - Dec 2022
Provides a tight integration of the Security component into the Symfony full-stack framework
Role in this project:Back-end Developer
Back-end DeveloperContributions:112 commits in 6 years 5 months
Contributions summary:Robin primarily focused on enhancing the Symfony Security Bundle. They added caching for contexts within the FirewallMap, implemented a FirewallConfig class to manage configuration, and integrated the current firewall into the profiler. The user also made several improvements, including adding CSRF protection, and removing legacy features of the authentication. The user was responsible for fixing tests related to the authenticator and setting a login with csrf.
controlledsecurityphppartssymfony
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