A selection of the cloud architecture, platform, and product work I've led or built. Each case study describes the problem, my role, and the outcome.
Architecture ownership and AI-driven evolution of the Miles & More commercial mobile platform and its customer-communication services used by millions of Lufthansa Group customers.
Cloud architecture and AWS migration initiatives for a major German bank and a federal public-sector client, spanning lift & shift migrations and greenfield platforms in regulated environments.
Founder and lead engineer of an open-source, privacy-first AI chat platform that runs locally with Ollama or connects to cloud providers with no vendor lock-in.
Tech lead on a Java-based service provisioning platform for banking and telecom clients, covering backend microservices, REST API design, and team delivery.
Tech lead on the modernization of a legacy Java EE banking application, migrating it to a layered Spring MVC and Hibernate architecture.
Software engineer on a Calypso-based capital markets platform for a banking client, covering trade lifecycle management, position keeping, and financial reporting.