Work

Created an interface to synchronise product and order data between Microsoft Dynamics NAV and Shopware 5. Implemented queueing mechanisms to ensure data integrity and processing speed for real‑time communication.

Enhanced a self‑service platform enabling customers of a major German Internet exchange to order, configure and provision interconnection services. Emphasised robust test coverage with unit and integration tests to guarantee quality.

Designed and developed a SaaS application for resource management and financial planning. Built as a progressive web app using Vue JS and a Symfony backend with an API‑first approach via GraphQL. Integrated Stripe for subscription management and billing.

Performed a deep analysis of a Shopware shop suffering from performance issues. Identified bottlenecks causing long page load times and delivered actionable recommendations to improve speed and stability.

Developed a business analysis tool to collect, normalise and enrich data from diverse sources and store it in Elasticsearch. Enabled better reporting and decision‑making through centralised search and analytics.

Conducted an in‑depth audit of a Shopware shop with about 30 plugins. Provided guidance to reduce bug rates and accelerate future development through targeted refactoring and optimisation.

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.