Senior Backend Engineer
Michael Page International · United Kingdom ·
- Seniority
- Senior
- Category
- Backend
Senior backend engineer at a technology-led financial services firm in the UK, owning end-to-end architecture of ultra-scale distributed systems handling 20,000-30,000+ requests per second. The work centres on event-driven design, partitioning, performance tuning across infra, storage, networking and caching layers, and evaluating emerging tech including AI capabilities.
In this role you will architect and build ultra-scale distributed systems for a technology-led financial services firm, owning end-to-end architecture and reliability in a lean environment. You will design event-driven architectures, partitioning strategies, and highly scalable data platforms with a focus on reliability and fault tolerance. You will lead performance optimisation across application, infra, storage, networking and caching layers, and evaluate emerging technologies including AI-driven capabilities. This is a chance to work on mission-critical platforms at scale and to shape core platform engineering initiatives.
Pay / Benefits- Competitive compensation package
- strong career growth
- exposure to cutting-edge platform engineering challenges
- Architect and build large-scale distributed systems supporting millions of users and high request-throughput
- Design event-driven architectures and scalable data platforms with reliability and fault tolerance
- Lead performance optimisation across app, infra, storage, networking and caching layers
- Own systems end-to-end from architecture to production operations and continuous improvement
- Evaluate and adopt emerging technologies, including AI-driven capabilities, to solve engineering challenges
- Extensive backend engineering experience with highly scalable distributed systems in production
- Proven experience operating services handling 20,000-30,000+ requests per second and large-scale traffic
- Deep expertise in system design, distributed architecture, concurrency, partitioning and performance engineering
- Track record of solving scaling, latency, reliability, and availability challenges in mission-critical platforms
- Strong technical curiosity and ability to learn new technologies, domains, and AI capabilities independently
- strong technical curiosity
- rapid learner
- problem-solving mindset
- distributed systems design
- concurrency and partitioning
- reliability and fault tolerance