Senior Backend Engineer
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Summary
Senior backend engineer at a technology-led financial services company in Central London, architecting and operating large-scale distributed systems that handle 20,000-30,000+ requests per second. Day to day involves system design, event-driven architecture, performance optimization, end-to-end ownership of services, and evaluating emerging AI-driven capabilities.
Salary: £26,000 - 54,000 per year Requirements: Extensive backend engineering experience building highly scalable, distributed systems in production environments Proven experience operating services handling 20,000–30,000 requests per second and large-scale user traffic Deep expertise in system design, distributed architecture, concurrency, partitioning, consistency models, and performance engineering Demonstrated success solving complex scaling, latency, reliability, and availability challenge…