UI Lead Frontend Engineer

Dns Info Ltd; City of Westminster; On-site; GBP 90,000 - 130,000; Full time

Job summary

Dns Info Ltd. is seeking a highly experienced UI Lead Frontend Engineer to shape scalable, high-performance frontend architectures for enterprise platforms.

You will lead design systems, champion WCAG, performance, and security, and drive reusable components across teams. Key focus includes integrating Adobe Experience Manager (AEM) with modern UI frameworks, and harnessing Generative AI tools such as Claude to accelerate development, code quality, and delivery velocity in a large-scale

Qualifications

• 10+ years of Front End/UI engineering experience.
• Strong hands-on experience with React, Next.js, TypeScript, JavaScript, HTML5, and CSS3.
• Proven leadership in designing enterprise UI architectures and reusable component libraries.

Responsibilities

• Define enterprise-wide UI engineering standards and practices.
• Deliver scalable Front End solutions using React, Next.js, TS, JS, HTML5 and CSS3.
• Architect reusable UI components and design systems with AEM integration.
• Lead performance, accessibility, SEO, security, and responsive design initiatives.
• Drive AI-assisted development workflows using Claude tools across the lifecycle.

Skills

UI architecture

React

Next.js

TypeScript

JavaScript

HTML5

CSS3

Claude AI/Claude Code

AI-assisted development

Front End leadership

Tools

Adobe Experience Manager (AEM)

AEM Sites

AEM Core Components

AEM Templates

GraphQL

REST APIs

Web Performance tooling

Job description

We are looking for a highly experienced UI Lead Frontend Engineer with strong expertise in modern Front End 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 Front End 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.

1. UI Architecture & Technical Leadership

• Define and drive enterprise-wide UI engineering, Front End standards, and best practices.
• Deliver and implement scalable Front End solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3.
• Design reusable component libraries, design systems, and micro-Front End architectures.
• Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive design.

2. Adobe Experience Manager (AEM) Expertise

• Design and implement Front End architectures integrated with Adobe Experience Manager (AEM).
• Work with AEM Sites, Core Components, editable templates, client libraries, and content fragments.
• Integrate Front End 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.

3. Generative AI & Claude Integration

• 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 Front End development life cycle.

4. Engineering Excellence & DevOps

• Define Front End 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 Front End code quality, security, and observability standards.
• Collaborate with UX/UI designers, product owners, enterprise architects, and engineering teams.

Required Technical Skills

• React.js, Next.js, TypeScript Expert JavaScript, HTML5, CSS3 Expert Adobe Experience Manager (AEM Sites) Strong AEM Core Components, Templates, Client Libraries Strong AEM Headless, GraphQL, REST APIs Strong Claude AI/Claude Code Hands-on experience Web Performance, Accessibility & SEO Advanced CI/CD, Git, Testing Frameworks,
• Deliver seamless AEM integration with modern UI frameworks.
• Improve Front End 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.
  10+ years of experience in Front End/UI engineering
• Strong hands-on experience in React, NextJS, TypeScript, JavaScript, and modern Front End architectures.
• Proven experience delivering enterprise-scale digital solutions using Adobe Experience Manager.
• Experience designing reusable UI components and integrating Front End applications with AEM.
• Practical experience using Claude or Claude Code for software development and engineering productivity.
• Strong understanding of Front End 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., A hands-on UI Front End Lead engineer who combines strong Front End engineering expertise, enterprise AEM knowledge, and practical Claude AI experience with AWS implementations.
• Frontend Engineering (React, Next JS, TypeScript) 60% AEM architecture and integration 25% AWS background 5%