Job Description



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




About Us



Jefferies is a leading global, full-service investment banking and capital markets firm that provides advisory, sales and trading, research, and wealth and asset management services. With more than 40 offices around the world, we offer insights and expertise to investors, companies, and governments.



At Jefferies, we are committed to building a culture that provides opportunities for all employees regardless of our differences and supports a workforce that is reflective of the communities where we work and live. As a result, we are able to pool our collective insights and intelligence to provide fresh and innovative thinking for our clients.



Jefferies is committed to creating and sustaining a workforce that welcomes individuals from all backgrounds to apply. Our employment decisions are made without regard to race, creed, color, national origin, ancestry, religion, pregnancy, age, medical condition, physical or mental disability, marital status, domestic partner status, sex, sexual orientation, gender, gender identity or expression, veteran or military status, genetic information, reproductive health decisions, or any other factor protected by applicable law. We are committed to hiring the most qualified applicants and complying with all federal, state, and local equal employment opportunity laws. As part of this commitment, Jefferies will extend reasonable accommodation to individuals with disabilities, as required by applicable law.



The salary offered will take into consideration an individual's experience level and qualifications. In addition to salary, Jefferies Financial Group is proud to offer a comprehensive benefits package to eligible, full-time employees or part-time employees, who are scheduled to work at least 30 hours or more per week, including an annual discretionary incentive and retention bonus, competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Jefferies also offers paid time off packages that include planned time off (e.g., vacation), unplanned time off (e.g., sick leave), and paid holidays, and for full-time employees, paid parental leave.