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Job Description

Founding Back End Engineer - Redefine Finance with a Stealth-Mode Innovator (London)

Are you an exceptional Back End Engineer with a stellar academic pedigree and a proven track record in architecting high-performance, low-latency platforms? Cornucopia is collaborating with a well-capitalised fintech poised to disrupt global financial markets. This is a rare opportunity to help engineer the next chapter of finance.

Our client, well-backed financially and helmed by founders with formidable industry credentials, is building a cutting-edge platform enabling 24/7, high-leverage trading in traditional financial assets. Their vision is to upend a multi-billion-dollar industry, and they seek engineers who excel at grappling with complex, first-principles technical problems.

You will design and implement resilient, always-on services optimised for ultra-low latency and reliability, targeting sub-millisecond p99 performance benchmarks. Spearheading the development of robust CI/CD pipelines, Infrastructure-as-Code, and state-of-the-art monitoring systems that set the benchmark for operational excellence. You will drive technical strategy, select best-in-class tooling, and define architectural standards demanding global scalability. You will help cultivate a high-performance engineering culture, mentoring peers and shaping the technical trajectory of the organisation.

Who We're Looking For:

We are seeking engineers with a first-class STEM degree from a world-renowned institution. You bring 3+ years’ experience building and operating real-time systems at HFT firms, exchanges, or blue-chip technology companies. Deep expertise in high-performance such as Rust, C, or C++. You value meticulous testing, robust observability, and elegant system degradation under pressure. You make decisive, high-impact choices grounded in technical rigour and sound judgement. Experience in financial technology, ultra-fast systems, cloud- tooling, or automated infrastructure provisioning is advantageous.

Why Join This Venture?

Shape the future of finance and address systemic inefficiencies at their core. Enjoy a highly competitive package, reflecting both the significance of this founding role and your calibre. Collaborate with industry leaders, with extensive scope for rapid personal and career progression. Benefit from generous holiday allowance, daily lunch perks, and regular team events.

If you thrive on solving complex, large-scale problems and aspire to leave your mark on finance, we’d like to hear from you.

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