Teams at Reactive Markets

Lead FIX client onboarding and integrations across FX, equities, and digital assets. Manage projects from requirements through certification and production go-live; configure, test and validate FIX sessions; troubleshoot connectivity and production issues; provide frontline EMEA technical support; document procedures and collaborate with engineering, product, and account teams while using AI/automation to streamline processes.

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.