Senior Backend Engineer

Design ultra-scale distributed systems handling massive throughput

Own architecture, performance and reliability in a lean environment.

About our client

Our client is a technology-led financial services organisation building highly sophisticated platforms that operate at significant scale.

Job description

Architect and build large-scale distributed systems capable of supporting millions of users and tens of thousands of requests per second. Design event-driven architectures, partitioning strategies, and highly scalable data platforms with a focus on reliability and fault tolerance. Lead performance optimisation initiatives across application, infrastructure, storage, networking, and caching layers. Own systems end-to-end, from architecture and development through production operations and continuous improvement. Evaluate and adopt emerging technologies, including AI-driven capabilities, to solve complex engineering and business challenges.

The successful applicant

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 challenges in mission-critical platforms.

Strong technical curiosity with the ability to rapidly learn new technologies, domains, and AI capabilities independently.

What's on offer

Opportunity to solve genuinely complex engineering problems at significant scale within a highly technical environment.

Competitive compensation package alongside strong career growth and exposure to cutting-edge platform engineering challenges.