Lead React Platform Architect – UI Systems & Performance

Testing Site - JPMC; Greater London; Sur place; GBP 120 000 - 160 000; Plein temps

Résumé du poste

JPMorganChase seeks a Lead Software Engineer to join the Digital Platforms Team. You will be a core technical contributor, shaping scalable React products with a focus on performance, accessibility, and secure, maintainable architectures.

You will lead cross-functional collaboration with product, design, and backend teams, mentor engineers, and drive platform-thinking across projects using data and observability.

Qualifications

• 10+ years of UI/frontend experience with React in production.
• Platform mindset with focus on performance and Core Web Vitals improvements.
• Advanced React and TypeScript with SSR/SSG experience (e.g., Next.js).
• Experience with accessible design and WCAG standards.
• Strong testing and CI/CD practices (Jest, Playwright/Cypress).

Responsabilités

• Architect scalable, resilient UI platforms and modular React architectures.
• Lead performance engineering with budgets, bundle strategy, caching, and image optimization.
• Build and govern reusable component libraries and design systems.
• Enforce code quality, testing, accessibility, and security hygiene.
• Provide cross-functional leadership and mentorship across product, design, and backend teams.

Connaissances

React expertise

Frontend development

TypeScript

UI architecture

State management

Accessibility

Testing & CI/CD

Outils

Redux Toolkit

Zustand

React Query

GraphQL

Next.js

Description du poste

JPMorganChase seeks a Lead Software Engineer to join the Digital Platforms Team. You will be a core technical contributor, shaping scalable React products with a focus on performance, accessibility, and secure, maintainable architectures.

You will lead cross-functional collaboration with product, design, and backend teams, mentor engineers, and drive platform-thinking across projects using data and observability.