Low-Latency C++ Engineer for Trading Platform (London Onsite)

Tatton Recruitment; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Certain Advantage is seeking a Senior C++ Engineer to join its London trading technology team. You will deliver low-latency exchange connectivity, build high-performance algorithms and optimise the trading stack for production use.

The role focuses on multithreaded, asynchronous systems, kernel bypass techniques, and robust testing and releases across a global platform. You should have extensive C++ experience in financial services and a track record of delivering reliable, scalable software in

Qualifications

• C++ software development experience within financial services.
• Experience with Trading & Capital Markets or investment banking.
• Strong understanding of exchange-traded derivatives and the full trading lifecycle.
• Knowledge of major global futures exchanges and their native protocols.
• Excellent understanding of multithreaded, asynchronous and distributed software development.
• Strong knowledge of algorithms, data structures and performance optimisation.
• Experience with Python, C#, SQL or other scripting/programming languages.
• Track record of delivering reliable, production-grade applications and deployment best practices.
• Strong analytical, problem-solving and communication skills.
• Ability to thrive in a fast-paced trading environment with changing priorities.

Responsibilities

• Developing low-latency exchange connectivity using native exchange APIs and protocols including FIX, WebSockets and HTTP.
• Building and enhancing high-performance trading algorithms alongside traders and quantitative analysts.
• Optimising application performance through techniques such as kernel bypass, TLS optimisation and connection tuning.
• Investigating production issues, improving system reliability and resolving performance bottlenecks.
• Maintaining and extending automated testing frameworks to ensure software quality.
• Supporting releases, deployments and continuous improvements across the global trading platform.

Skills

C++

Low-latency

Trading systems

Multithreading

Python

SQL

Problem solving

Job description

Certain Advantage is seeking a Senior C++ Engineer to join its London trading technology team. You will deliver low-latency exchange connectivity, build high-performance algorithms and optimise the trading stack for production use.

The role focuses on multithreaded, asynchronous systems, kernel bypass techniques, and robust testing and releases across a global platform. You should have extensive C++ experience in financial services and a track record of delivering reliable, scalable software in