Danny Van Der Sluijs
Technical Lead at Infi
Vianen, Utrecht, Netherlands
Summary
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Rockstar🎓
Top SchoolDanny Van Der Sluijs is a Technical Lead with 12 years of hands-on experience building and maintaining backend systems, currently leading engineering at Infi from Vianen, Netherlands. He specializes in PHP backend development, API design and integration, and improving code quality—evidenced by maintained open-source projects like JsonMapper/Json-Schema for PHP and contributions to the popular Exact Online PHP client. His career spans embedded and M2M solutions for assisted living to enterprise CRM and e-ticketing, giving him a pragmatic focus on reliability, type safety, and real-world constraints. Colleagues rely on him for thoughtful refactors, clear type-hinting fixes, and bridging product needs with maintainable architectures.
12 years of coding experience
17 years of employment as a software developer
MBO, Technische Informatica - Kantoor Automatisering, MBO, Technische Informatica - Kantoor Automatisering at ROC UtrechtBachelor, Information & Communication Technology, Bachelor, Information & Communication Technology at HU University of Applied Sciences Utrecht (Hogeschool Utrecht)
English, Dutch
Stackoverflow
326reputation
10kreached
21answers
0questions
Github Skills (13)
php10
api10
apidoc10
phpstan9
netcore6
html6
css6
csproj6
laravel6
eloquent6
phpunit6
mysql6
msbuild6
Programming languages (19)
Github contributions (5)
picqer/exact-php-client
Mar 2018 - Dec 2022
PHP Client library for Exact Online
Role in this project:
Backend Developer
Backend DeveloperContributions:5 reviews, 51 commits, 55 PRs in 4 years 9 months
Contributions summary:Danny primarily focused on modifying and correcting properties and type hints within the PHP client library. Their contributions involved updating properties in classes like Account and SalesInvoiceLine to match the Exact Online documentation. Furthermore, the user addressed type hint errors, and added additional type mapping in the project, improving code quality and maintainability. They made updates to other classes and fixed issues in the project's user script.
php-clientclient-libraryphpphp-library
JsonMapper/EloquentMiddleware
Aug 2020 - Feb 2025
Map nested JSON structures to Eloquent Models
Contributions:3 releases, 11 PRs, 27 pushes in 4 years 6 months
phphydrationmappingmapmapper
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