Your Key responsibilities will be: Leading the enhancement and optimisation of the FIX engine, focusing on improving performance, network connectivity, and low-latency requirements while acting as the Product Owner for FIX-related products. Reverse engineering and enhance existing code, utilising strong expertise in FIX standards, Java development, and modern tools like Jira, GitHub, containers, cloud, and test tools. Collaborating across teams by contributing to product design, assisting with pre-sales activities, and adapting priorities to accommodate new client onboarding and project requirements. To succeed in this role, you will have: 6 years’ experience working as a Java Developer in the Financial Services or FinTech industry, including taking ownership of product design (Low-latency experience a plus) Excellent in-depth knowledge of FIX and related products / standards Experience and comfort assisting with sales/pre-sales tasks and activities If you feel your experience is a fit with the above role, please apply with an up-to-date CV in the first instance