UI Frontend Lead engineer – AEM & AI

Mphasis; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Job summary

Mphasis is seeking a senior UI Front End Lead to guide enterprise-scale frontend architectures, specializing in AEM integration and AI-powered development with Claude. You will drive scalable UI systems, ensure performance and accessibility, and lead a distributed team across cloud-native platforms.

The role emphasizes hands-on leadership, deep AEM knowledge, and the ability to leverage Claude for faster development, code generation, and debugging within a modern CI/CD workflow.

Qualifications

• 10+ years of frontend/UI engineering experience.
• Experience designing reusable UI components and integrating with AEM.
• Practical experience using Claude or Claude Code for software development and productivity.
• Strong understanding of frontend performance, accessibility, security, and scalability.
• Ability to communicate architectural decisions to technical and non-technical stakeholders.
• Experience leading distributed engineering teams and driving technical standards.
• Understanding of cloud-native architectures on AWS, Azure, or Google Cloud.

Responsibilities

• Define and drive enterprise-wide UI engineering, frontend standards, and best practices.
• Design reusable component libraries, design systems, and micro-frontend architectures.
• Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive design.
• Design frontend architectures integrated with AEM.
• Work with AEM Sites, Core Components, editable templates, client libraries, and content fragments.
• Integrate frontend applications with AEM Content Fragment APIs, GraphQL, and REST services.
• Understand AEM as a Cloud Service, including deployment pipelines, caching, and CDN considerations.
• Establish reusable AEM-compatible UI components and authoring-friendly design patterns.
• Demonstrate practical Claude AI experience for AI-assisted software engineering.
• Use Claude to accelerate UI development, code generation, refactoring, debugging, and documentation.
• Define AI-assisted engineering workflows across the frontend development lifecycle.
• Define frontend CI/CD practices using GitHub Actions, Azure DevOps, Jenkins, or equivalent platforms.
• Establish unit, integration, and end-to-end testing strategies using Jest, RTL, Playwright, or Cypress.
• Drive Core Web Vitals improvements, bundle optimization, caching, and rendering strategies.
• Establish frontend code quality, security, and observability standards.
• Collaborate with UX/UI designers, product owners, enterprise architects, and engineering teams.

Skills

React.js

Next.js

TypeScript

Adobe Experience Manager (AEM Sites)

AEM Core Components

AEM Templates

AEM Client Libraries

AEM Headless

GraphQL

REST APIs

Web Performance

Accessibility

SEO

CI/CD

Git

Testing Frameworks

AWS

Claude

Claude Code

Tools

Anthropic Claude

Claude Code

Job description

UI Front End Lead Engineer – AEM & Generative AI (Claude)

Job Title: UI Frontend Lead engineer – AEM & AI

Experience: 10–15+ Years

Location: UK (London or Remote)

Role Overview

We are looking for a highly experienced UI Lead Frontend engineer with strong expertise in modern frontend technologies, Adobe Experience Manager (AEM), and AI-powered development tools such as Anthropic Claude and Claude Code.

The ideal candidate will be responsible for designing scalable, high-performance, reusable, and maintainable frontend architectures for enterprise digital platforms. This role requires strong hands‑on technical leadership, deep understanding of AEM-based digital experiences, and the ability to leverage Generative AI to accelerate software development, improve engineering productivity, and modernize UI delivery.

Key Responsibilities

1. UI Architecture & Technical Leadership

• Define and drive enterprise-wide UI engineering, frontend standards, and best practices.
• Design reusable component libraries, design systems, and micro-frontend architectures.
• Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive design.

2. Adobe Experience Manager (AEM) Expertise

• Design and implement frontend architectures integrated with Adobe Experience Manager (AEM).
• Work with AEM Sites, Core Components, editable templates, client libraries, and content fragments.
• Integrate frontend applications with AEM Content Fragment APIs, GraphQL, and REST services.
• Understand AEM as a Cloud Service, including deployment pipelines, caching, and CDN considerations.
• Establish reusable AEM-compatible UI components and authoring-friendly design patterns.
• Demonstrate practical experience with Anthropic Claude and Claude Code for AI-assisted software engineering.
• Use Claude to accelerate UI development, code generation, refactoring, debugging, and documentation.
• Define AI-assisted engineering workflows across the frontend development lifecycle.

4. Engineering Excellence & DevOps

• Define frontend CI/CD practices using GitHub Actions, Azure DevOps, Jenkins, or equivalent platforms.
• Establish unit, integration, and end-to-end testing strategies using Jest, React Testing Library, Playwright, or Cypress.
• Drive Core Web Vitals improvements, bundle optimization, caching, and rendering strategies.
• Establish frontend code quality, security, and observability standards.
• Collaborate with UX/UI designers, product owners, enterprise architects, and engineering teams.

Required Technical Skills

Expected Expertise

React.js, Next.js, TypeScript

Expert

Expert

Adobe Experience Manager (AEM Sites)

Strong

AEM Core Components, Templates, Client Libraries

Strong

AEM Headless, GraphQL, REST APIs

Strong

Web Performance, Accessibility & SEO

Advanced

CI/CD, Git, Testing Frameworks

Strong

AWS

Strong

Mandatory Qualifications

• 10+ years of experience in frontend/UI engineering
• Experience designing reusable UI components and integrating frontend applications with AEM.
• Practical experience using Claude or Claude Code for software development and engineering productivity.
• Strong understanding of frontend performance, accessibility, security, and scalability.
• Ability to communicate architectural decisions to technical and non-technical stakeholders.
• Experience leading distributed engineering teams and driving technical standards.
• Understanding of cloud-native architectures on AWS, Azure, or Google Cloud.

Key Deliverables / Success Measures

• Deliver seamless AEM integration with modern UI frameworks.
• Improve frontend performance, accessibility, and code quality.
• Increase developer productivity through responsible adoption of Claude and AI-assisted development.
• Reduce technical debt and improve component reusability.
• Provide technical leadership and architectural governance across UI development teams.

Ideal Candidate Profile

A hands-on UI Front End Lead engineer who combines strong frontend engineering expertise, enterprise AEM knowledge, and practical Claude AI experience with AWS implementations.

Frontend Engineering (React, Next JS, TypeScript) 60%