Core C++ Developer - Revolutionary High Frequency Trading Firm

JR United Kingdom; City Of London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A revolutionary high-frequency trading firm is seeking a Core C++ Developer to optimize trading systems. The successful candidate will work on advanced infrastructure to enhance execution speed and system reliability in a rapidly growing, technology-driven environment.

Qualifications

• Advanced proficiency in modern C++ (C++17/20).
• Deep knowledge of TCP/UDP networking and multi-threading.
• Strong Linux development skills, with performance tuning experience.

Responsibilities

• Design and optimize low-latency trading infrastructure in modern C++.
• Implement trading algorithms, order execution, and risk management systems.
• Collaborate with teams to enhance system performance and reliability.

Skills

C++ Expertise

Networking & Concurrency

Linux Performance

Job description

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Core C++ Developer - Revolutionary High Frequency Trading Firm, london (city of london)

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Client:

Mapped

Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

16.06.2025

Expiry Date:

31.07.2025

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Job Description:

This role could be based in either Singapore, London or New York. Candidates with relevant C++ experience may be considered for junior developer roles.

Company Overview

Our client is a fast-growing high-frequency trading (HFT) firm specializing in cutting-edge strategies across digital assets and traditional markets. With a strong emphasis on technology, research, and innovation, the firm fosters a collaborative environment where entrepreneurial thinkers can thrive. They are expanding rapidly and offer outstanding opportunities for high-caliber talent to make an impact.

Job Summary

The Core C++ developer will optimize proprietary trading systems by building ultra-low-latency infrastructure, enhancing execution speed and ensuring robust system reliability. The ideal candidate will have deep expertise in C++, systems programming and high-performance computing.

Key Responsibilities

• Design, develop, and optimize low-latency, high-performance trading infrastructure in modern C++ (latest standards)
• Implement efficient and scalable trading algorithms, order execution, and risk management systems
• Optimize CPU performance, memory management, and multi-threaded applications.
• Work on low-level networking, including TCP/UDP performance tuning and kernel bypass techniques (AF_XDP, DPDK, or similar)
• Collaborate with quant researchers, traders, and infrastructure engineers to improve system performance
• Profile, benchmark, and debug real-time systems to minimize latency and maximize throughput
• Maintain robust and fault-tolerant system components for continuous trading operations

Job Requirements

• C++ Expertise: Advanced proficiency in modern C++ (C++17/20) with strong systems-level programming skills
• Networking & Concurrency: Deep knowledge of TCP/UDP networking, multi-threading, and concurrency models
• Linux Performance: Strong background in Linux development, performance tuning, and system-level optimization
• Bonus Skills: Experience with kernel bypass (e.g., DPDK, AF_XDP), C# for trading infra, and familiarity with crypto or finance trading environments

The successful candidate will work alongside the best and brightest in the industry, with the opportunity to make a direct impact on trading performance and business success. In a company with an agile and non-bureaucratic culture, your contributions will be greatly valued while handsomely rewarded with highly attractive compensation structures.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. By submitting your application, you give us permission to store and use your data for recruitment purposes in accordance with our privacy policy.