Lead the design, development, and execution of our 3D Secure (3DS), KYB/KYC, and Fraud platform initiatives. Play a pivotal role in building high-performance, real-time systems on AWS that support 500+ transactions per second, while embedding AI/ML models to proactively detect and prevent fraud across 3DS rails. Architect, design, and implement scalable, reliable, and secure distributed systems for issuer card processing and real-time transaction management. Build and operate low-latency APIs capable of processing 500+ TPS using cloud-native AWS technologies. Define and champion engineering best practices, including CI/CD, observability, incident response, automation, and high availability. Contribute directly to high-impact projects by building core modules.