Lead UI Engineer — Real-Time Trading Platform

Merrill; Orpington; On-site; GBP 90,000 - 120,000; Full time

Job summary

BANK OF AMERICA in Bromley is seeking a hands-on Lead UI Developer to drive the front-end architecture and delivery for the Single Dealer Platform. You will own the React/TypeScript codebase, apply RxJS reactive patterns, and deliver low-latency, real-time UI features for market data, pricing, RFQ, and trade capture.

Collaborate with product, UX, and backend teams to ship performant, accessible interfaces while enforcing automated testing, CI/CD, and secure front-end practices across the live

Qualifications

• Proven experience building web apps with TypeScript and React, including 3+ years in a senior/lead role.
• Strong experience with real-time data streams and low-latency UI rendering.
• Deep knowledge of state management and data flow for streaming and request/response.
• Experience with test automation, CI/CD, and secure front-end practices.

Responsibilities

• Lead the UI roadmap, architecture decisions, coding standards and code reviews for the SDP.
• Own the front end architecture, including state management and data flow for live market data.
• Design modular, accessible components and design system primitives.
• Enforce automated testing and CI/CD with quality gates.

Skills

TypeScript

React

RxJS

WebSockets

Server-Sent Events

GraphQL

Protobuf

Flatbuffers

Real-time UI

Tools

Jest

Vitest

React Testing Library

Playwright

Job description

BANK OF AMERICA in Bromley is seeking a hands-on Lead UI Developer to drive the front-end architecture and delivery for the Single Dealer Platform. You will own the React/TypeScript codebase, apply RxJS reactive patterns, and deliver low-latency, real-time UI features for market data, pricing, RFQ, and trade capture.

Collaborate with product, UX, and backend teams to ship performant, accessible interfaces while enforcing automated testing, CI/CD, and secure front-end practices across the live