London | On-site (4 days per week) | Base from £150,000 + bonus
About the Opportunity
We’re supporting a buy-side trading firm building out a small, highly technical engineering group responsible for the evolution of a live trading connectivity stack spanning MetaQuotes (MT4/MT5), FIX infrastructure, and internal pricing/risk services.
What You’ll Be Doing
- Serving as the go-to technical authority for MetaQuotes (MT4/MT5) across engineering and trading functions
- Designing and implementing performant C++ systems within a low-latency, multithreaded environment
- Working alongside backend engineers (including JVM-based teams) to integrate trading and execution components
- Reworking and improving existing MetaQuotes infrastructure, including refactoring legacy components and strengthening automated testing coverage
- Building and extending scenario-based testing approaches for full trade lifecycle validation
- Contributing to production reliability by participating in a rotational support schedule for live trading systems
What You Should Bring
- Significant, hands-on experience working directly with MT4 and MT5 internals (Server/Manager/Gateway level understanding)
- Strong grasp of how MetaQuotes systems operate within end-to-end trading flows
- Deep C++ expertise, particularly in concurrent and multithreaded environments (Poco experience beneficial but not essential)
- Background working with trading bridge components such as pricing, execution routing, margining, and risk validation
- Ability to build production-quality software in environments where correctness and performance are critical
- Comfortable collaborating across technical and non-technical stakeholders in a high-pressure setting
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