Alexander Janssen is a Managing Director and seasoned full-stack engineer with 13 years of experience building robust web applications and guiding teams from concept to production in the Netherlands. He blends hands-on backend expertise—evident from contributions integrating pagination and OneSignal push support into notable open-source projects like DatatablesBundle and Novu—with a strategic focus on business-driven ICT architecture. Over the past years he has embraced Domain-Driven Design, CQRS and hexagonal architectures to deliver clean, stable systems and has led distributed teams and server operations across multiple companies. Pragmatic and architect-minded, he pairs technical problem-solving with a strong appreciation for product value, having turned a hard-learned lesson about “business-first” design into a deliberate career shift toward architecture.
13 years of coding experience
11 years of employment as a software developer
IT Application developer, MBO, IT Application developer, MBO at ROC ASA
MBO, IT Application developer, MBO, IT Application developer at Roc Midden Nederland
Open-Source Notification Platform. Embeddable Notification Center, E-mail, Push and Slack Integrations.
Role in this project:
Backend Developer
Contributions:8 reviews, 4 PRs, 23 comments in 8 months
Contributions summary:Alexander focused on integrating OneSignal push notifications into the Novu platform. They added the OneSignal logo and integrated the OneSignal handler into the push notification factory. The user also addressed issues related to the OneSignal provider and merged the 'next' branch into a feature branch for OneSignal. They made several updates to resolve merge conflicts and to properly assign the provider ID to the message created.
This Bundle integrates the jQuery DataTables plugin into your Symfony application.
Role in this project:
Back-end Developer
Contributions:7 commits in 3 months
Contributions summary:Alexander primarily contributed to the backend functionality of the `datatablesbundle` repository. Their work included fixing pagination issues by implementing Doctrine pagination, which involved modifying the `DatatableData.php` file. They also addressed limitations by allowing for multiple relations with the same entity and adding options for route parameters, impacting the core data retrieval and display logic. Furthermore, the user enhanced the application by adding sAjaxSourceParameters and modifying the base.html.twig and AbstractDatatableView.php files.
inline-editingdatagridpaginationbundledatatable
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Alexander Janssen - Managing Director at Easy Cloud