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Techfellow Limited
C++ Developer | Quantitative Research and Trading Firm (Digital Assets)

C++ Developer | Quantitative Research and Trading Firm (Digital Assets)

On site

London, United kingdom

Full Time

12-05-2025

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Expired

Job Specifications

[Up to c. £350k Comp Package (or equivalent) | Flexible Working Options - On-Site Preference]

Are you a C++ expert with a passion for building ultra-low-latency trading infrastructure? Our client, a global quantitative trading firm, is searching for a Core C++ Developer to push the boundaries of high-performance computing. This role offers the chance to optimise execution speed, enhance system scalability, and collaborate with top-tier engineers to develop trading systems at the cutting edge of technology...

Key Responsibilities

Design and optimise high-performance, low-latency trading infrastructure in modern C++ (C++17/20)
Develop and fine-tune order execution and risk management systems, ensuring robustness and efficiency
Optimise CPU performance, memory management, and multi-threaded applications for peak efficiency
Implement and refine networking performance, including TCP/UDP tuning and kernel bypass techniques (AF_XDP, DPDK)
Benchmark, profile, and debug real-time systems, reducing latency and maximising throughput
Collaborate with quantitative researchers, traders, and infrastructure engineers to improve execution speed
Ensure fault tolerance and system resilience, maintaining seamless operation for continuous trading

What You Bring...

3+ years of experience in high-performance, low-latency C++ development
Proven ability to optimise network performance (TCP/UDP), including kernel bypass
Expert-level proficiency in modern C++ (C++17/20) and deep systems programming knowledge
Strong experience in multi-threading, concurrency, and Linux-based performance tuning
Hands-on experience with real-time, high-throughput systems in a latency-sensitive environment
(Preferred) Familiarity with C# code generation for trading infrastructure automation
(Preferred) Experience with AWS cloud environments, on-prem clusters (HTCondor), or quantitative trading systems

...

About the Company

At Techfellow, we connect top tech talent with leading financial firms worldwide. With a deep understanding of your business and tech needs, we match exceptional engineers, developers, and cybersecurity experts to the right opportunities. Fit is our priority. We're selective, focusing on quality over quantity to find the best candidates for our valued partners! Know more