Solace Middleware Engineer - London - Inside IR35

Solace Middleware Engineer 2/3 days onsite in London £450-500 inside IR35 6 months We''re looking for a Solace Middleware Engineer to support a low-latency electronic trading environment within a leading investment banking setting.This is a hands-on role focused on mission-critical messaging infrastructure across FX and Fixed Income markets.Key ResponsibilitiesOwn and support Solace PubSub+ messaging infrastructureDesign and implement low-latency messaging patterns (pub/sub, guaranteed messaging, request/reply)Configure and optimise brokers, VPNs, queues, and topic hierarchiesDrive performance tuning for ultra-low latency trading systemsIntegrate trading applications with messaging architectureMonitor and troubleshoot real-time message flows and latency issuesSupport application onboarding, defining messaging standards and connectivityAutomate operational tasks using Python/scriptingKey RequirementsStrong experience with Solace (essential)Proven background in middleware messaging (e.g. Solace, TIBCO, MQ)Experience in investment banking / electronic trading environmentsKnowledge of FX and/or Fixed Income trading systemsStrong Linux + networking fundamentals (low-latency systems, multicast preferred)Scripting skills (Python or similar)Experience working at application / platform engineering levelArchitecture exposure within distributed systemsModis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary ..... full job details .....