Designed and implemented a white‑label shop system based on Shopware. Developed product synchronisation from a central master shop and fully automated the provisioning of new shop instances on a Kubernetes cluster.
Built a dealer platform enabling customers to place bulk orders quickly and efficiently. Developed intuitive ExtJS modules for article management and ensured high performance for demanding B2B workflows.
Maintained and enhanced a microservice‑oriented e‑commerce platform for cosmetic products. Implemented a graph database to deliver personalised product recommendations and improved performance through caching and message queues.
Developed an interface‑driven application to allow customers to create and order personalised smartphone cases. Built the backend for high scalability and integrated print manufacturing workflows.
Generated over six million unique gift codes for an international sweets manufacturer. Ensured codes were legible, unique and self‑validating for use on packaging across multiple product lines.
Developed a customer care order management system to process over one million orders using multiple agents. Migrated complex Excel‑based processes into a scalable microservice that could handle prime‑time TV traffic.
Built a platform connecting students with companies offering apprenticeships. Integrated personality tests and matched results with companies’ requirements. Connected the portal to talent relationship management software.
Relaunched the online shop of a leading German wine retailer. Developed a reusable product information architecture to support multiple importers and extended Magento with custom content management interfaces.
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.