Lead Software Engineer (UI) for Digital Markets Execution Technology (DMET), Execute. Location: London, United Kingdom; on-site. We are seeking a Lead Software Engineer to set the front-end technical direction for Execute, our front-office trading platform powering Markets businesses globally. You will lead hands-on delivery of latency-sensitive, real-time user experiences used by traders and sales professionals, partnering with product, design, business stakeholders, and control partners. Responsibilities include designing and delivering UI capabilities across Execute, establishing front-end architecture, standards, performance benchmarks, and testing strategy; building real-time, data-intensive UIs with low latency; evolving scalable UI architecture and component libraries; driving CI/CD, observability, and operational readiness; ensuring secure, compliant development aligned to firm standards and controls; mentoring engineers and fostering an inclusive, high-performing team; collaborating with backend, platform, and site reliability teams to deliver end-to-end solutions; and promoting the use of AI-assisted development tools to improve quality, delivery speed, and security while maintaining rigorous validation and security practices. Required qualifications include hands-on experience building production UIs with React and TypeScript at scale, strong front-end engineering knowledge, performance optimization, testing, and automation within CI/CD; experience delivering real-time data-intensive interfaces in high-availability environments; technical leadership in setting st

Lead Software Engineer (UI) for Digital Markets Execution Technology (DMET), Execute. Location: London, United Kingdom; on-site. We are seeking a Lead Software Engineer to set the front-end technical direction for Execute, our front-office trading platform powering Markets businesses globally. You will lead hands-on delivery of latency-sensitive, real-time user experiences used by traders and sales professionals, partnering with product, design, business stakeholders, and control partners. Responsibilities include designing and delivering UI capabilities across Execute, establishing front-end architecture, standards, performance benchmarks, and testing strategy; building real-time, data-intensive UIs with low latency; evolving scalable UI architecture and component libraries; driving CI/CD, observability, and operational readiness; ensuring secure, compliant development aligned to firm standards and controls; mentoring engineers and fostering an inclusive, high-performing team; collaborating with backend, platform, and site reliability teams to deliver end-to-end solutions; and promoting the use of AI-assisted development tools to improve quality, delivery speed, and security while maintaining rigorous validation and security practices. Required qualifications include hands-on experience building production UIs with React and TypeScript at scale, strong front-end engineering knowledge, performance optimization, testing, and automation within CI/CD; experience delivering real-time data-intensive interfaces in high-availability environments; technical leadership in setting st