Senior Application Architect – Realtime Systems (m/w/d)

Design and evolve a real-time authorization and routing platform (GANS) used for global payment processing. Own stable, high-performance architecture for business-critical applications, optimize system design, and troubleshoot issues in a highly available environment. Collaborate closely with internal business and development teams and rotate as 2nd-level support. Work in an international, specialized setting enabling millions of transactions daily.