Design, develop, and deploy backend services that support: A performant Order Management System (OMS) for trade matching and execution. Clearing House integration for trade settlement and funds movement. Regulatory compliance modules for pre-trade/post-trade checks and reporting (CFTC, NFA). Back office reporting and reconciliation tools for statements, balances, and DCO communication. Write high-quality, production-grade code using .NET Core and C++, with an emphasis on performance, correctness, and maintainability. Define and build scalable APIs, ensuring seamless integration with frontend systems (SwiftUI, Jetpack Compose, Next.js). Deploy, monitor, and support backend systems in a cloud-native AWS environment (DynamoDB, Kafka, EC2, EKS).