3 of 3 Performance Optimisation Jobs in Cardiff

frontend, backend, and infrastructure layers. Design and develop new features across React frontend applications and Java/C++ backend services. Take ownership of system performance, reliability, and security across applications and internal networks. Lead performance optimisation initiatives across software, databases, and infrastructure. Deliver system integrations and infrastructure … development experience with React, Java, and C/C++. Experience building and maintaining Qt‐based desktop applications. Solid expertise in database management and optimisation, ideally using MySQL. Proven experience working with AWS cloud infrastructure and associated services. Practical knowledge of network administration, system security, and performance optimisation. ...

level engineers on their Golang knowledge. You’ll have experience building scalable backend systems, along with a solid understanding of data processing, performance optimisation, and system design This is a highly regulated industry so a background in financial services or similar would be beneficial. About the role: Design … build high-performance services using Go (Golang) Develop and optimise large-scale financial calculation engines Build systems that handle and reconcile high volumes of capital, positions, and holdings accurately Design systems with scalability, reliability, and low latency in mind Work with complex, high-volume datasets and portfolio logic Collaborate ...

playing a key part in building and evolving user interfaces that power their products, working across component design, API integration and performance optimisation. It is an ideal position for someone who enjoys solving real user problems, collaborating with others and continuously developing their technical skills. You'll work closely … frameworks to drive consistency and scalability Integrate frontend applications with API-driven services, ensuring reliable and clear data flows Troubleshoot and resolve UI issues, performance bottlenecks and user-reported problems Contribute to technical discussions, sprint refinement and collaborative design sessions What you'll bring Strong hands-on experience with ...