2 of 2 Contract Performance Engineering Jobs in London

for global FX limit order trading. Work closely with traders, quantitative analysts, and backend engineers to build robust, real-time interfaces for order entry, modification, and monitoring. Ensure high performance, reliability, and usability under live trading conditions. Evolve and maintain GUI architecture and component libraries to support scalability and responsiveness. Mentor junior developers and foster a high-performance engineering culture. Uphold rigorous standards of code quality, operational resilience, and risk management. What You Bring: 10+ years of GUI development experience, ideally in trading or real-time systems. Expertise in Java (Swing/JavaFX) and/or modern web frameworks (React, Electron). Strong Java programming skills with a focus on real-time data visualization and performance … and communication skills across geographically distributed teams. A full-stack mindset with a deep understanding of system integration and data flow. Preferred Qualifications: Bachelor's degree in Computer Science, Engineering, or a related field. Familiarity with automated trading systems and market connectivity. Experience in financial services, particularly electronic trading platforms. Why Join Us? This role offers a unique opportunity More ❯

Dynamics D365 Performance Engineer - Outside IR35 A number of D365 Performance Engineers are required for a public sector client. You will have extensive experience of D365 CE/CRM and Power Platform. Skills: D365 CE/CRM Power Platform Azure - IaaS/PaaS services .Net, C#, Javascript, TypeScript Strong knowledge of Performance tuning in D365 implementations Responsibilities … Focus on owning and managing performance improvements in D365 implementations Design and implement performance tuning strategies Analyse telemetry, logs, and metrics to identify and improve performance in customizations, integrations, and infrastructure. Lead performance testing and optimization initiatives across the CRM platform The role is for 6 months initially and based from home with ad hoc travel More ❯