Behind the Scenes

Here I share technical insights into my projects: How were problems solved? Which technologies were used? What did it cost? No marketing speak, just honest insights – like a developer explaining to a colleague over coffee how they solved a problem.

onOffice + WordPress at Hanse Holding

May 2026 | ~10 min read

How a failed onOffice integration was finally made to work: API debugging, custom templates in the onoffice-personalized plugin, and a recovery mechanism against update loss.

WordPress onOffice API Custom Templates Real Estate

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Exposé Generator for HIH

April 2026 | ~12 min read

How HIH generates property exposés automatically from JetEngine: from Adobe layout to click-and-PDF. With Dompdf, FPDI, hash-based cache versioning, and multiply blending in PHP-GD.

WordPress Plugin JetEngine Dompdf + FPDI Real Estate

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From Word Document to Project Manager

April 2026 | ~12 min read

How a WordPress plugin replaces manual Word templates: dedicated project management with guest access for staff, on-site capture in the browser, and automated PDF generation with letterhead stamping.

WordPress Plugin Guest Access PDF Generator Dompdf + FPDI

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WooCommerce as SaaS Platform

February 2026 | ~10 min read

How a custom WordPress plugin transforms WooCommerce into a complete SaaS platform with subscription billing, access control, and automated license management – without custom cloud infrastructure.

WordPress Plugin WooCommerce SaaS Licensing

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Shopify Without Apps – Custom Cart

February 2026 | ~10 min read

How Custom Liquid and JavaScript replaces three Shopify apps: progress bar, automatic gift, and product recommendations in the cart drawer. Save €50/month, faster shop.

Shopify Liquid JavaScript Performance

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