PHP

Maintained and extended a Symfony application managing a bonus programme for a health insurance company. Ensured robust MongoDB data storage and adhered to strict security requirements.

Built a comprehensive self‑service hosting solution from the ground up, including PHP/MySQL hosting and email services on a fail‑safe cluster. Delivered user‑friendly interfaces for provisioning and administration.

Developed an ERP system for small and medium‑sized enterprises. Started on PHP 4 and evolved the product into a comprehensive back‑office solution covering accounting, inventory and customer management.