Design, develop, and deliver scalable backend systems and components using .NET 10 and C#. Build and maintain databases and messaging infrastructure (PostgreSQL/SQL Server, RabbitMQ), deploy with Docker and AWS, apply DDD and ORMs, triage/prioritize work, and contribute to distributed, event-driven architecture with emphasis on reliability and idempotency.

Build and maintain full-stack, AI-native features for Cross River's data platform, including React UIs, Python APIs, LLM-powered agents, RAG, and natural-language-to-SQL experiences. Ensure secure, auditable model integration, data governance, and operational stability while collaborating across engineering and data teams.

The Staff Software Engineer will lead design and development of cryptocurrency platforms, provide technical mentorship, and drive system reliability, while staying current on blockchain trends.