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.