Stefan Doorn
Senior Technical Project Manager Senior Data Architect
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolStefan Doorn is a senior technical project manager and data architect with 11+ years of hands-on backend experience, currently leading cloud-native, event-driven API architectures and BigQuery-based analytics in Amsterdam. He blends product ownership and engineering—building features himself, managing external teams, and aligning technical solutions with business outcomes across e-commerce and data platforms. His work spans PHP and Node ecosystems (Laravel, Symfony, Sylius) and notable open-source contributions to Sylius and a popular PHP UPS API wrapper, showing a pragmatic focus on maintainability and integrations. Stefan has repeatedly designed single-purpose systems integrated via APIs for rapid scaling, and has strong operational chops in Kubernetes, CI/CD and Google Cloud. With an MSc in Information Studies and a background in accounting, he brings both technical depth and commercial fluency to complex projects. An inspector of edge cases, he often surfaces subtle data and sitemap improvements that boost robustness and SEO for e-commerce platforms.
11 years of coding experience
18 years of employment as a software developer
Master of Science Information Studies, Master of Science Information Studies at University of Amsterdam
Dutch, English
Stackoverflow
1,032reputation
93kreached
38answers
3questions
Github Skills (27)
cms10
apidoc10
ecommerce10
doctrine10
object-oriented-programming10
php10
api10
symfony10
symfony-ux10
xml10
rest-api10
twig10
shopping-cart9
restful-api9
shopify9
Programming languages (11)
Github contributions (5)
gabrielbull/php-ups-api
Apr 2015 - Apr 2018
PHP Wrapper for all UPS API
Role in this project:
Back-end Developer
Back-end DeveloperContributions:26 releases, 191 commits, 71 PRs in 3 years
Contributions summary:Stefan primarily contributed to the development of a PHP wrapper for the UPS API, making changes to handle various API calls and data structures. They added features like handling return services and document-only shipments by implementing new entities and adjusting existing code for XML generation and data handling. The commits reflect the user's work on enhancing API request structures, modifying XML generation, and ensuring data integrity within the context of the UPS API.
api-clientapiapi-wrapperphpphp-wrapper
BitBagCommerce/SyliusCmsPlugin
Jun 2018 - Sep 2020
Content management system for eCommerce apps created on Sylius platform. Built with Sylius code quality, flexibility, BDD.
Role in this project:Back-end Developer
Back-end DeveloperContributions:16 commits, 14 PRs, 43 comments in 2 years 3 months
Contributions summary:Stefan made several contributions focused on enhancing the CMS plugin's functionality and maintainability. They implemented user-provided templates for block rendering and added a new twig function. Further, the user added support for Schema.org/FAQPage. Additionally, the user made improvements by renaming and adding support for sitemap provider for sections and added more descriptive type hints to private methods.
cmsflexibilitymanagement-systemckeditorecommerce
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