Senior Fintech Architect — Scale & Security Focus

KAST is seeking a seasoned Principal Architect / Architecture Lead to own and drive the company's technical strategy for its global fintech platform. You will be the primary technical authority for system design, ensuring high-throughput transaction engines and a complex microservices ecosystem remain resilient, performant, and secure under heavy load.

You will define architectural vision, lead AWS-based design for scale, mentor engineers, and ensure security and compliance across PCI-DSS and