Low Latency Developer

Join Barclays as a Low Latency Developer and become part of a technology team responsible for building and enhancing high performance trading systems that support critical business activity across our markets platform.

This role is focused on the ongoing development and optimisation of a key platform supporting algorithmic trading capability and strategic revenue growth across the business. You will work on mission-critical, latency-sensitive applications where speed, stability, and precision are essential, helping to deliver new algorithm rollouts and ensure the platform continues to meet the demands of a fast-moving trading environment.

To be successful as a Low Latency Developer you must have the following essential skills :

• Low latency and advanced Java knowledge (lock free patterns, zero allocation development, performance tuning).
• OS and network tuning knowledge and hard on experience (mechanical sympathy).
• Working with low latency messaging (protocols, middleware).

Some other highly valued skills may include:

• FX market micro-structure knowledge.
• KDB (or equivalent large scale time series databases).
• Testing for low latency applications at scale.

You may be assessed on key critical skills relevant for success in role, such as risk and controls, communication skills and interaction with a diverse range of stakeholders, as well as job-specific technical skills.

This role will be based in London.