Principal .NET Engineer (Trading Systems)

This is a high-impact technical leadership role for a Principal .NET Trading Systems Engineer to take full ownership of Order Management Systems (OMS), API infrastructure, and core trading services. You will architect, build, maintain, and scale mission-critical backend systems that drive real-time trading operations, broker connectivity, and market data infrastructure. This position requires a hands-on leader who can make architectural decisions while participating in development, performance optimization, and system troubleshooting.

In a fast-paced, remote environment, you will ensure high availability and sub-millisecond reliability for systems with strict uptime requirements. You will establish engineering standards, mentor developers, and lead disaster recovery and incident response. This role is ideal for an engineer with deep technical expertise in distributed systems, financial technology, and high-performance infrastructure who thrives on high accountability and ownership.