Teams at Reactive Markets

Build and support low-latency C++ trading infrastructure on Linux, including pricing engines, connectivity gateways, market-data systems, messaging layers, and FIX integrations. Optimize microsecond-level performance, develop high-throughput systems, contribute to AWS cloud-native infrastructure, and maintain observability. Own the full software lifecycle from design through production support, incident response, testing, deployment, and documentation.

Run and expand low-latency infrastructure across global colocation data centers and AWS. Responsibilities include routing and switching, BGP peering, cross-connects, Linux hosts, containers, infrastructure as code, monitoring, alerting, capacity planning, troubleshooting, documentation, incident reviews, and launching new sites. The role includes project coordination, vendor management, occasional data-center visits, scheduled out-of-hours changes, and on-call participation.

Develop and optimize performance-critical components of a low-latency trading platform (pricing engines, gateways, market-data, messaging). Own design, deployment, production support, observability, and architectural decisions. Mentor engineers, conduct reviews, and ensure reliability in cloud-native AWS and colocated environments.