Hunter Bond
Software Engineer
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Job title: Senior C++ Developer
Client: Ultra performant Fintech
Salary: up to £130k + Bonus
Location: London
About the Company
Our client is an elite fintech company operating at the cutting edge of high-frequency trading (HFT) and electronic markets. Based in London, they are building world-class trading infrastructure where performance, reliability, and engineering excellence are critical.
Their engineering culture is built around solving some of the hardest problems in software engineering — from memory optimisation and lock-free programming to distributed architectures and high-performance data processing. Engineers here work on systems where every CPU cycle matters and where technical decisions directly impact the performance of global trading operations.
The Role
They are looking for a talented C++ Software Engineer with a passion for performance engineering, low-level systems, and building highly optimised software.
- You will join a world-class engineering team responsible for designing and developing the next generation of ultra-fast time series database technology.
- This is a greenfield opportunity to work on the core engine powering the storage, retrieval, and analysis of vast quantities of financial market data.
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You will work on complex technical challenges including:
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High-throughput data ingestion
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Memory-efficient storage engines
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Concurrency models
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Cache optimisation
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Low-latency query execution
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All in a modern Linux environment, using the latest the language has to offer (C++20/23).
The team follows modern C++ development practices, with a strong focus on clean architecture, rigorous testing, performance profiling, and continuous optimisation. You will collaborate with genuinely brilliant, down-to-earth engineers from the HFT and systems programming world, gaining exposure to some of the most advanced technology environments in finance — in a team that's as good to work with as it is technically sharp.
You Will Have
- 5+ years of experience with modern C++ (C++ 17 or later)
- Experience building high-performance, real-time, or low-latency distributed systems
- Background in FX, crypto, or electronic trading environments (exchange, market-making, HFT, or quant/prop trading highly valued)
- Strong understanding of concurrency, network programming, and high-level systems design
- Some leadership experience — mentoring engineers or leading technical initiatives
- A curious, performance-obsessed, and tech-driven personality
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You Can Expect
- A place within one of the most technically elite engineering teams in the trading and digital-asset ecosystem
- Access to technology and performance tooling years ahead of most competitors
- Stunning London offices, with genuinely excellent coffee (a non-negotiable in this office)
- A market-leading compensation and bonus package
- A culture that actually protects deep work — no unnecessary meetings, no politics, just hard problems and the time to solve them properly
- Exceptional opportunities to learn, take ownership, and grow alongside world-class engineers
No previous HFT experience is required — they are looking for exceptional C++ engineers who are curious about performance, enjoy working close to the hardware, and want to build technology operating at the absolute limits of speed and scale.
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