UI Engineering Lead - Real-Time Equities Trading

Jefferies; New York (NY); On-site; USD 250,000 - 300,000; Full time

Job summary

Jefferies is seeking a hands-on UI Engineering Lead to shape and deliver the next generation of equities trading applications. This role blends frontend architecture, development, and leadership to create intuitive, high-performance trading workflows and a reusable UI platform supporting Equities Modernization.

You will own UI architecture and delivery for modern trading applications, collaborating with traders, product owners, and backend engineers to translate complex workflows into practical,

Qualifications

• Experience delivering production frontend applications with ownership of architecture and delivery.
• Deep expertise in TypeScript, JavaScript, React, HTML and CSS.
• Proven ability to build complex, real-time, data-intensive interfaces.
• Strong understanding of browser performance, rendering, and frontend/backend integration.
• Experience with streaming APIs, automated testing, CI/CD, and production diagnostics.
• Ability to translate ambiguous requirements into practical solutions with stakeholders.
• Demonstrated technical leadership with hands-on engineering.

Responsibilities

• Own UI architecture and delivery for modern trading applications, including basket trading, order management, and real-time monitoring.
• Partner with traders, product owners, and backend engineers to translate workflows into intuitive experiences.
• Build reusable components, interaction patterns, and application services across teams.
• Design responsive, data-intensive interfaces with real-time updates and high-volume grids.
• Establish frontend performance, testing, accessibility, security, and observability standards.
• Remain hands-on through coding, design reviews, and delivery of critical capabilities.
• Mentor engineers and drive consistent engineering practices across applications and regions.
• Modernize legacy interfaces incrementally while maintaining business continuity.

Skills

TypeScript

JavaScript

React

HTML

CSS

Frontend architecture

CI/CD

Automated testing

Real-time UIs

Leadership

Job description

Jefferies is seeking a hands-on UI Engineering Lead to shape and deliver the next generation of equities trading applications. This role blends frontend architecture, development, and leadership to create intuitive, high-performance trading workflows and a reusable UI platform supporting Equities Modernization.

You will own UI architecture and delivery for modern trading applications, collaborating with traders, product owners, and backend engineers to translate complex workflows into practical,