Top Tech Jobs & Startup Jobs in Belfast

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.

Senior full-stack engineer building high-performance trading systems in TypeScript and Rust. Develop real-time, data-dense React UIs with reactive state management, design distributed systems (REST, WebSockets, TCP/UDP), own end-to-end lifecycle, ensure observability and reliability, mentor peers, and support production incidents.

Build and maintain low-latency trading infrastructure on Linux using modern C++ and Go. Work on pricing engines, connectivity, market-data pipelines, FIX integrations, messaging, observability, and production support. Own design, deployment, incident response, and continuous performance optimization.