Paweł Jędrzejewski
Founder at Marketlum
Łódź Voivodeship, Poland
Summary
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RockstarPaweł Jędrzejewski is a founder and hands-on software engineer from Łódź, Poland, with a decade of experience building and scaling open-source e‑commerce software. As founder of Sylius he led the creation of a Symfony-based eCommerce framework and ecosystem used by over 10,000 companies and processing billions in annual transactions, while contributing directly to core backend, resource bundle architecture, database schema and front-end build fixes. He now runs multiple initiatives—Marketlum, Mavilabs and Open Source Academy—aimed at turning teams into entrepreneurially minded builders and making open source sustainable. Paweł blends low-level technical work (PHP, Doctrine, factories, migrations) with product-level thinking and a knack for stabilizing complex systems. Outside of work he balances entrepreneurship with being a father of two, which he cites as a core source of focus and perspective.
11 years of coding experience
4 years of employment as a software developer
English, Polish, German
Stackoverflow
668reputation
57kreached
18answers
0questions
validation
top-5%
Github Skills (40)
database-migrations10
symfony610
ecommerce10
symfony510
testing10
doctrine10
resource-management10
symfony310
php10
doctrine-orm10
symfony210
symfony110
symfony-510
symfony10
symfony-ux10
Programming languages (9)
Github contributions (5)
Sylius/Sylius
Sep 2015 - Feb 2021
Open Source eCommerce Framework on Symfony
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 releases, 1 review, 1209 commits in 5 years 6 months
Contributions summary:Paweł made several contributions, including bumping the project's version, updating PHP requirements, and configuring adjustments and permissions. Furthermore, the user worked on the database schema by changing the payment method description field to a text doctrine type. They also added a simple resource Factory and updated specifications to utilize this factory.
apisyliusecommercephpheadless-ecommerce
Sylius/SyliusResourceBundle
Sep 2015 - Jun 2018
Simpler CRUD for Symfony applications
Role in this project:Back-end Developer
Back-end DeveloperContributions:411 commits, 2 PRs, 298 pushes in 2 years 9 months
Contributions summary:Paweł focused on enhancing the Sylius Resource Bundle's functionality by updating configurations to include factories. They modified configuration files and drivers to incorporate and define factory services for improved resource management. Furthermore, the user addressed bugs related to inventory unit factories and slug generation, thereby enhancing the overall stability of the resource bundle. These changes indicate a focus on improving the underlying architecture and maintainability of the Sylius platform.
syliusphpsymfony-bundlecrudsymfony
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