Principal / Senior UI Software Engineer - HTML5, React, Typescript, JS - Trading sought by leading financial services company based in the city of London. * Proven experience as a senior/principal engineer in high-performance trading systems or similar domains. * Demonstrable experience in HTML5, React 16/17+, Typescript4/5+, JavaScript * UI Libraries such as Material UI or Ant Design. * CSS pre-processors such as SASS and LESS * Testing frameworks e.g. Jest * Performance profiling and optimisation * Build tools such as Webpack * Code quality and governance tools such as Sonarqube. * Responsive design and cross-browser compatibility * Version control systems such as git i.e. gitlabs * Agile development methodologies i.e. Scrum Please apply for further details.

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