General Entry Point for Electronic Invoices and form system for the General State Administration. Refactoring hexagonal architecture with DDD.

Cloud system for real-time IoT sensor device management. Queue architecture with RabbitMQ and Docker infrastructure integration.

Timing, classifications, and event management system for running and triathlon events for Cronoges ZGZ. Production platform with thousands of participants.

Sports event management SaaS for the Idealista Group. Designed from scratch to leading platform with clients like RFEA, FEDME, Transvulcania, and Farinato Race.