Quantitative Developer - High-Frequency Trading Firm

JR United Kingdom; Slough; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading prop trading firm in London is seeking a Quantitative Developer to enhance its trading stack. This role involves improving the performance, latency, and scalability of trading strategies in a high-frequency trading environment. Ideal candidates will have strong experience in Java and C++, with skills in network performance analysis. Collaborating closely with traders, this position offers a unique opportunity to drive impactful changes in a competitive setting.

Qualifications

• Experience with low-latency applications in HFT preferred.
• Proficiency in Java and C++ with focus on performance.
• Ability to resolve latency and throughput bottlenecks.

Responsibilities

• Develop low latency trading engine and strategy runtime.
• Maintain exchange API connectivity and robust exchange connectors.
• Automate deployment and monitoring of a 24/7 trading system.

Skills

Low-latency Java applications

Low-latency C++ applications

Application performance optimization

Linux application benchmarking

Network performance analysis

Job description

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Quantitative Developer - High-Frequency Trading Firm, slough

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Client:

Venture Search

Location:

slough, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

31.05.2025

Expiry Date:

15.07.2025

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Job Description:

Leading Prop Trading Firm

London

Our client, a leading prop trading firm based in London, are looking for a Quant Developer to join their high-performance team.

As a quantitative developer, your aim is to improve the firm's trading stack in any way that will make its trading strategies more competitive and profitable. In a high-frequency trading environment, this often means improving the end-to-end latency of the trading platform or increasing the scalability and precision of execution of the trading strategies.

Requirements

Responsibilities

Your main responsibilities are developing and rapidly evolving their main software components:

• Develop low latency trading engine and strategy runtime
• Develop and maintain exchange API connectivity and robust exchange connectors
• Full automation around deployment and monitoring of a 24/7 trading system
• Continuous profiling of trading system and strategy latency
• Understand and reverse engineer exchange architectures

You will be part of a small development team that shares the responsibility of the whole trading stack. As you own the code, deployment and all tooling, you can rapidly and safely iterate on changes to the trading software.

Developers collaborate directly with traders and researchers, allowing for immediate reaction to market changes and fast iteration of live trading engines

Skill

• Experience writing low-latency Java / C++ applications and architectures. HFT industry preferred but telecom and gaming industry experience also welcome
• Ability to get the best performance out of application and networking stack of on-premise and cloud environment
• Ability to benchmark, profile and trace full applications on Linux
• Ability to find and resolve latency and throughput bottlenecks
• Excited to pick up new skills to solve difficult problems (examples: eBPF, XDP, Intel PT)
• The ideal profile has experience in the HFT industry combining software development and networking skills (TCP / UDP / multicast / WebSocket / HTTP).
• While the firm is language agnostic, their current trading stack is mostly written in Java.