Aug 06, 2026

UI Architect

Job Description

UI Architect 6 months + contract or Perm London - Hybrid (4 days per week from office) Up to £600pd Inside IR35 UI Architect – React JS & Java Spring Boot Ecosystem We are seeking a highly skilled UI Architect with deep expertise in React JS and strong backend exposure to Java Spring Boot microservices, to lead the design and delivery of scalable, high-performance, and user-centric enterprise applications. The ideal candidate will bring a strategic architectural mindset, combined with hands-on experience in crafting modern, responsive front-end platforms and seamlessly integrating them with RESTful APIs and microservices-based back-end systems. You will be responsible for defining and governing UI architecture standards, ensuring consistency, scalability, and optimal performance across applications. A distinguishing requirement of this role is proven, hands-on experience leveraging AI-assisted coding tools — such as Claude Code, Cursor AI, or GitHub Copilot — in real-world production environments. This reflects our commitment to adopting AI-driven development practices to accelerate delivery, enhance developer productivity, and improve overall code quality. Key Responsibilities * Define and drive the UI architecture strategy for enterprise-grade applications using React JS and modern JavaScript frameworks. * Establish best practices, design patterns, and coding standards for front-end development. * Architect scalable solutions that integrate seamlessly with Java Spring Boot microservices and RESTful APIs. * Lead the design of reusable UI components, design systems, and front-end frameworks to ensure consistency and maintainability. * Collaborate closely with backend architects, product teams, and UX designers across the full software development lifecycle. * Leverage AI-assisted development tools to optimize development workflows, improve code quality, and accelerate feature delivery. * Ensure applications are optimized for performance, scalability, accessibility, and security. * Guide teams in implementing robust CI/CD pipelines aligned with modern DevOps practices. * Oversee containerization (Docker) and deployment strategies using Kubernetes (K8s) within AWS or hybrid cloud environments. * Drive adoption of monitoring, logging, and observability practices for UI and integrated services. * Mentor and provide technical leadership to front-end engineers and developers across teams. Required Skills & Experience * Strong expertise in React JS, including state management, performance optimization, and component-driven architecture. * Solid understanding of Java Spring Boot microservices architecture and API integration patterns. * Experience in micro-frontend architectures. * Familiarity with modern front-end build tools and frameworks. * Extensive experience in designing enterprise UI architectures for large-scale applications. * Proven experience with AI-assisted coding tools (GitHub Copilot, Cursor AI, Claude Code, etc.) in production environments. * Strong knowledge of RESTful APIs, asynchronous communication, and client-server interaction patterns. * Experience implementing Design Systems and reusable component libraries. * Proficiency in Docker, Kubernetes (K8s), and AWS cloud environments. * Hands-on experience with CI/CD pipelines and DevOps practices. * Deep understanding of web performance optimization, security, and accessibility standards. * Excellent problem-solving skills and ability to drive architectural decisions. * Strong passion for continuous learning and adopting emerging technologies, especially in the AI-assisted development space. * Ability to balance technical leadership with hands-on contribution

IR35 Status

Inside IR35

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