Building identity, profile, device microservices and verification system in Go for 9 dating brands serving millions of users across 190+ countries. Event-driven architecture on GCP using Cloud PubSub, Spanner, and Kubernetes. Brands include Parship, ElitePartner, eharmony, and LOVOO.
Industrial IoT platform processing event streams from factory sensors. Clients included BMW Group, Audi AG, and ThyssenKrupp AG. Contributed to real-time rule-based monitoring in a distributed, air-gapped environment.
Contributed to analytics platform serving ~2 million customers worldwide. Replaced Splunk with a custom log-analytics system and accelerated CI/CD pipeline by 60x.
Built platforms for enterprise clients including Kaufland (1,500+ stores, ~32M monthly visitors) and REWE Group (3,300+ stores). Introduced containerization and CI/CD pipelines.