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Lead Front-End Developer

United Kingdom, London · Job Posted March 21, 2026
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Job Description

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Fixed Income eTrading team delivers eTrading strategy & provides market connectivity, price distribution, order management, RFQ management, Algo trading capability for Spread Products business. This role is for an individual who will leverage his/her skills to deliver solutions related to electronic trading implementations with key architectural and design decisions in the build out of global eTrading and Algo platform. The Lead Front-End Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology and product teams. The overall objective of this role is to lead applications systems analysis and programming activities. The candidate will have the opportunity to work in a fast-paced environment dedicated to delivering business value and to enhancing our competitive edge.

Job Responsibility

  • Design & development of Front end for eTrading and Algo platforms
  • Utilize in-depth knowledge and skills across multiple Applications Development areas to provide technical oversight across systems and applications
  • Supporting and enhancing the existing infrastructure and applications across a variety of technologies (Angular, .Net, WPF)
  • Follow application development life cycle and drive engineering excellence
  • Balancing time to market (client delivery) with proper governance, compliance, and audit mandates

Requirements

  • 7+ Yrs experience in designing, building, testing, maintaining, and supporting large scale, high-performant UI applications
  • Expert level proficiency in UI Technologies such as Angular, React, JavaScript/ TypeScript, HTML and CSS
  • Thorough understanding of real time communication between UI and backend using HTTP, web sockets
  • Understanding of Reactive programming paradigms (RxJS and Redux/NgRx) etc.
  • Strong experience in distributed applications and architecture
  • Expertise in design, development, performance tuning, and troubleshooting UI applications
  • Hands on experience with CICD pipelines using TeamCity, Jenkins in Cloud Native environments
  • Familiarity in implementing styles based on UX designs
  • Team player with excellent interpersonal and communication & problem-solving skills
  • Innovator – drives the adoption of new approaches, solutions, and tools
  • Bachelor’s degree/University degree or equivalent experience

Nice to have

  • Previous experience of delivering electronic trading solutions
  • Previous experience in the financial industry, knowledge of Spread Products such as Bonds, Loans, CDS/CDX & Index Tranches
  • Experience in .Net, WPF
  • Master’s degree

What we offer

  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources

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