Senior Front-End Engineer - React + TS (Real-Time FX)

Citigroup Inc.; Greater London; Hybrid; GBP 95,000 - 140,000; Full time

Benefits offered by this job

Hybrid work model

27 days annual leave plus bank outside

Discretional annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Parental Leave

Employee discounts

Learning and development resources

Job summary

Citigroup Inc. seeks a Senior Front-End Developer to join a critical greenfield program modernizing our electronic FX Options Trading platform.

You will design and implement real-time pricing UIs using React and TypeScript, collaborating with quants and traders on a multi-year project. You will own UI/UX, CI/CD, testing, performance profiling and mentorship, helping scale the platform with OpenFin, Kubernetes and streaming data technologies.

Qualifications

• Front-End expertise in UI/UX with React and TypeScript.
• Experience building real-time data-driven applications using REST APIs and WebSockets.
• Strong practices in CI/CD, automated testing, resiliency, performance profiling and telemetry.

Responsibilities

• Design and build an electronic FX Options trading platform UI with RFQ workflows.
• Collaborate with quants and traders to translate complex requirements into robust solutions.
• Improve deployment and testing processes to ensure quality and efficiency.
• Mentor other developers and foster a collaborative, innovative team culture.

Tools

React

TypeScript

REST APIs

WebSockets

Kafka

Solace

TIBCO

Java

C#/.NET

Python

OpenFin

Kubernetes

CI/CD

Automated testing

Telemetry

Job description

Citigroup Inc. seeks a Senior Front-End Developer to join a critical greenfield program modernizing our electronic FX Options Trading platform.

You will design and implement real-time pricing UIs using React and TypeScript, collaborating with quants and traders on a multi-year project. You will own UI/UX, CI/CD, testing, performance profiling and mentorship, helping scale the platform with OpenFin, Kubernetes and streaming data technologies.