Stephan Groen
Co-founder & COO at Picqer
Arnhem, Gelderland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolStephan Groen is a co-founder and COO with 11 years of hands-on experience building and scaling Picqer, a Dutch warehouse management SaaS now processing over 10% of the country’s eCommerce orders. He started coding and running web projects as a teen, turned that into agencies and startups (including Earny), and now focuses on usability-driven product design and operational efficiency for warehouses handling 50–3,000+ orders daily. Technically fluent in backend PHP and API integrations—he contributed to the exact-php-client library, improving OAuth2, connection logic and API endpoint support—so he combines product leadership with practical engineering chops. Based in Arnhem, he emphasizes fast onboarding, consultative support, and automation that lets merchants scale without expensive consultants.
11 years of coding experience
7 years of employment as a software developer
HBO, Entrepreneurship, HBO, Entrepreneurship at HAN University of Applied Sciences
Dutch, English, German
Stackoverflow
1,027reputation
144kreached
23answers
2questions
php
top-5%
pdf
top-5%
Github Skills (11)
php10
api10
apidoc10
oauth10
guzzle10
pdf9
datepicker6
woocommerce6
laravel6
jquery6
rest6
Programming languages (3)
Github contributions (5)
picqer/exact-php-client
Nov 2014 - Dec 2022
PHP Client library for Exact Online
Role in this project:
Back-end Developer
Back-end DeveloperContributions:92 releases, 13 reviews, 320 commits in 8 years 2 months
Contributions summary:Stephan primarily contributed to the `exact-php-client` repository by implementing and maintaining backend functionalities. This included adding new attributes to data models (Items), refactoring connection logic, and adding support for new API endpoints (journals). The user also integrated the Guzzle HTTP client, updating OAuth2 authentication, demonstrating proficiency in API client development and PHP. These changes support the functionality and improve the library's API interaction capabilities.
php-clientclient-libraryphpphp-library
picqer/moneybird-php-client
Nov 2015 - Aug 2022
PHP Client for Moneybird V2
Contributions:60 releases, 9 reviews, 198 commits in 6 years 10 months
api-clientphp-clientphpphp81moneybird
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