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Jefferies

Global investment banking and capital markets

UI Engineering Lead - Equities Trading Technology

Frontend EngineeringConfirmed live in the last 24 hours
Full-timeNew York, NY, USA$250k - $300kIn-person

About the Job

Requirements

  • 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, continuous integration and continuous delivery (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.

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.

Desired Qualifications

  • Experience in equities, electronic trading, order management systems (OMS), execution management systems (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.

About the Company

Jefferies

Global investment banking and capital markets

Jefferies is a global, full-service investment banking and capital markets firm that serves investors, companies, and governments with advisory, sales and trading, research, and wealth and asset management. It provides M&A and restructuring advice, helps raise capital, trades financial instruments, covers market research, and manages investments for individuals and institutions. It stands out by offering a wide range of services under one roof through a network of more than 40 offices worldwide, giving clients broad market access and execution power. Its goal is to help clients navigate financial markets, raise capital, and grow wealth by providing practical advice, research, and execution across different geographies and asset classes.

Company size
5,001-10,000
Company stage
IPO
Headquarters
New York City, New York
Founded
1854

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