We are seeking a hands-on UI Engineering Lead to shape and deliver the next generation of equities trading applications. This role combines frontend architecture, development, and technical leadership to create intuitive, high-performance trading workflows and a reusable UI platform supporting Equities Modernization. Key Responsibilities • Own UI architecture and delivery for modern trading applications, including basket trading, order management, and real-time monitoring. • Partner directly with traders, product owners, and backend engineers to translate complex workflows into intuitive user experiences. • Build a shared foundation of reusable components, interaction patterns, and application services that reduces duplication across teams. • Design responsive, data-intensive interfaces with real-time updates, high-volume grids, and clear handling of connection and application state. • Establish engineering standards for frontend performance, automated testing, accessibility, security, and production observability. • Remain hands-on through coding, design reviews, troubleshooting, and delivery of critical capabilities. • Mentor engineers and drive consistent engineering practices across applications and regions. • Modernize legacy interfaces incrementally while maintaining business continuity. Required Qualifications • Extensive experience delivering production frontend applications, with ownership of architecture and technical delivery. • Deep expertise in TypeScript, JavaScript, React, HTML, and CSS, including component design and state management. • Proven experience building complex, real-time, data-intensive user interfaces. • Strong understanding of browser performance, rendering behavior, asynchronous processing, and frontend/backend integration. • Experience with streaming APIs, automated testing, CI/CD, and production diagnostics. • Ability to work directly with business stakeholders and turn ambiguous requirements into practical solutions. • Demonstrated technical leadership with a strong commitment to hands-on engineering. Preferred Qualifications • Experience in equities, electronic trading, OMS/EMS, or other front-office platforms. • Familiarity with high-performance data grids, desktop interoperability, Deephaven and multi-window trading workflows. • Experience building shared UI platforms or design systems adopted across multiple teams. • Familiarity with Java or C++ backend environments and AI-assisted development practices. Primary Location Full Time Salary Range of $250,000 - $300,000. #LI-JR1