UI Engineer (React and TypeScript) - London, UK - Fulltime - Hybrid

📍 Job Overview

Job Title: UI Engineer (React and TypeScript)

Company: Capgemini

Location: London, UK

Job Type: Fulltime

Category: Engineering / Technology

Date Posted: May 19, 2026

Experience Level: Mid-Level (2-5 years)

Remote Status: Hybrid

🚀 Role Summary

• Develop and scale reusable UI components and applications that are central to multiple strategic programs.

• Collaborate closely with cross-functional teams, including other engineers, architects, and UX designers, to deliver high-quality, performant, and maintainable user interfaces.

• Translate Figma designs into production-ready code with a strong focus on detail and quality.

• Contribute to the evolution of UI architecture, reusable patterns, and performance optimization strategies.

📝 Enhancement Note: This role is positioned within Capgemini's technology consulting arm, emphasizing the delivery of client-facing solutions. The "Banking domain" expertise requirement suggests a focus on financial services sector projects. The hybrid model indicates a need for on-site presence, likely for client engagements or team collaboration, rather than fully remote work.

📈 Primary Responsibilities

• Build and maintain robust, scalable, and reusable UI components and end-to-end applications using React and TypeScript.

• Implement user interfaces based on designs provided in Figma, ensuring pixel-perfect accuracy and adherence to design system guidelines.

• Optimize frontend performance by identifying and resolving bottlenecks, improving loading times, and enhancing user experience.

• Collaborate with UX designers to ensure the technical feasibility of UI/UX designs and provide input on design decisions.

• Work within an agile development environment, participating in sprint planning, daily stand-ups, and retrospectives.

• Contribute to the development and maintenance of component libraries and design systems.

• Engage in code reviews to ensure code quality, consistency, and adherence to best practices.

• Troubleshoot and debug UI issues, providing timely resolutions.

• Stay up-to-date with emerging frontend technologies and best practices to drive continuous improvement.

• Document UI components, patterns, and architectural decisions.

📝 Enhancement Note: The responsibilities highlight a blend of hands-on development, design collaboration, and strategic input on UI architecture. The emphasis on "strategic programmes" and "reusable UI components" indicates a need for a developer who can think beyond single features and contribute to a larger, scalable frontend ecosystem that serves multiple client initiatives within the banking sector.

🎓 Skills & Qualifications

Education: While no specific degree is listed, a Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field is typically expected for this level of role. Equivalent practical experience will also be considered.

Experience: Minimum of 2-5 years of hands-on experience in frontend development, with a significant focus on React and TypeScript. Experience within the banking or financial services domain is highly preferred.

Required Skills:

• TypeScript: Deep understanding and practical application of TypeScript for building scalable and maintainable frontend applications.

• React: Proficient in modern React features, including hooks, context API, and component-based architecture.

• Tailwind CSS: Expertise in using Tailwind CSS for rapid UI development and consistent styling.

• Component Libraries & Design Systems: Experience in building, consuming, or contributing to component libraries and design systems.

• Figma Integration: Proven ability to translate Figma designs into high-fidelity, production-ready code.

• UI Architecture & Patterns: Strong understanding of UI architecture principles, reusable patterns, and best practices.

• Performance Optimization: Demonstrated ability to identify and implement strategies for improving frontend performance.

• Cross-functional Collaboration: Experience working effectively with engineering, UX, and product teams.

• Frontend Development Fundamentals: Solid grasp of HTML5, CSS3, and JavaScript (ES6+).

• Attention to Detail: Meticulous approach to coding and UI implementation.

Preferred Skills:

• Experience within the Banking or Financial Services domain.

• Familiarity with state management libraries like Redux or Zustand.

• Knowledge of testing frameworks (e.g., Jest, React Testing Library).

• Experience with build tools and module bundlers (e.g., Webpack, Vite).

• Understanding of CI/CD pipelines for frontend applications.

• Familiarity with accessibility standards (WCAG).

📝 Enhancement Note: The "Banking domain" expertise is a critical differentiator. Candidates should be prepared to discuss their experience with financial services applications, regulatory considerations, or specific banking workflows if applicable. The emphasis on "modern hooks-based development" signals a preference for current React practices over older class-based components.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Code Samples: Provide links to GitHub repositories or live projects showcasing your React and TypeScript development skills.

• Component Library Contributions: If you have worked on or contributed to component libraries or design systems, be prepared to demonstrate their structure, reusability, and impact.

• Figma-to-Code Examples: Showcase instances where you successfully translated Figma designs into functional UI elements or applications, highlighting your precision and attention to detail.

• Performance Optimization Case Studies: Prepare examples of how you identified and resolved performance issues in previous projects, quantifying the improvements achieved (e.g., reduced load times, improved rendering performance).

• Design System Implementation: If applicable, demonstrate your understanding of design system principles through examples of how you've applied them in projects.

Process Documentation:

• Workflow Design: Be ready to discuss your approach to designing efficient and scalable frontend workflows.

• Implementation & Automation: Explain how you ensure code quality, consistency, and efficient deployment through various development processes and tools.

• Measurement & Analysis: Discuss how you measure the success and performance of your UI implementations, including metrics you track and tools you use for analysis.

📝 Enhancement Note: Candidates should curate their portfolios to specifically highlight projects that demonstrate proficiency in React, TypeScript, and translating designs. A strong portfolio for this role will not just show code, but also the thought process behind component design, reusability, and performance optimization, ideally with quantifiable results.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a UI Engineer with 2-5 years of experience in London, UK, the estimated salary range is £55,000 - £75,000 per annum. This range can vary based on the depth of banking domain experience and the specific project demands.

Benefits:

• Hybrid Working Model: Flexibility to blend work from company offices, client sites, and home.

• Wellbeing Support: Access to trained 'Mental Health Champions' and wellbeing apps like Thrive and Peppy, reflecting a commitment to employee mental health.

• Extensive Learning & Development: Unlimited access to over 250,000 courses, with opportunities for think tanks, hackathons, and external certifications from platforms like AWS, Microsoft, Harvard ManageMentor, and cybersecurity providers.

• Ethical Work Environment: Join an organization recognized as one of the World's Most Ethical Companies® for 13 consecutive years, emphasizing integrity and responsible business practices.

• Disability Confident Employer: Commitment to inclusive recruitment, offering an interview to candidates who declare a disability and meet the minimum essential criteria.

• Great Place to Work Recognition: Accredited as a Great Place to Work for Wellbeing in 2024.

Working Hours: Standard full-time hours, likely around 37.5-40 hours per week, with flexibility expected due to the hybrid nature of the role and potential client demands. A 100% remote work arrangement is not possible.

📝 Enhancement Note: The salary estimate is based on current market data for similar roles in London, considering the specific technology stack and the consulting environment. Capgemini's extensive learning and development offerings are a significant draw, particularly the breadth of certifications available, which can accelerate career growth in specialized tech areas.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology Consulting / IT Services. Capgemini operates at the forefront of digital transformation, leveraging AI, cloud, data, and other advanced technologies to help global businesses. They have a strong presence in the Banking and Financial Services sector.

Company Size: Over 420,000 employees globally, making it a large enterprise with extensive resources, diverse projects, and a broad professional network.

Founded: Capgemini has a heritage of nearly 60 years, indicating a stable, established company with a long track record in the IT industry.

Team Structure:

• The UI Engineer will likely be part of a project-based delivery team, working within a larger consulting practice.

• This team will be cross-functional, including other engineers (backend, full-stack), architects, QA testers, project managers, and potentially business analysts.

• Reporting lines may vary depending on project structure, but typically within a consulting framework, there will be a project lead or program manager.

Methodology:

• Agile Development: Projects are likely managed using agile methodologies (Scrum, Kanban), emphasizing iterative development, continuous feedback, and adaptability.

• Client-Centric Delivery: A strong focus on understanding client needs and delivering solutions that drive business value.

• Technology Innovation: Commitment to exploring and implementing cutting-edge technologies, including AI, to solve business challenges.

• Process Optimization: Continuous effort to refine development processes for efficiency, quality, and speed.

Company Website: www.capgemini.com

📝 Enhancement Note: Capgemini's culture blends a large corporate structure with a focus on innovation and client delivery. The "Make it Real" slogan emphasizes practical application of technology. The emphasis on wellbeing, ethics, and diversity suggests a supportive and responsible work environment.

📈 Career & Growth Analysis

Operations Career Level: This role is for a mid-level UI Engineer, typically requiring 2-5 years of experience. It's a hands-on technical role focused on building high-quality user interfaces, with opportunities to take on more complex technical challenges and mentor junior engineers.

Reporting Structure: The UI Engineer will report to a project lead, program manager, or a technical lead within a specific project or delivery team. They will also work closely with architects and UX designers.

Operations Impact: The UI Engineer's work directly impacts the user experience of client applications, influencing customer engagement, satisfaction, and the overall success of digital transformation initiatives within the banking sector. High-quality UIs are critical for adoption and user adoption of new technologies and platforms.

Growth Opportunities:

• Technical Specialization: Deepen expertise in React, TypeScript, frontend architecture, and performance optimization, potentially becoming a subject matter expert.

• Design System Leadership: Take ownership of developing or enhancing design systems for large-scale projects or Capgemini's internal frameworks.

• Cross-Functional Skill Development: Gain exposure to backend technologies, cloud platforms, and DevOps practices through project involvement.

• Mentorship: Mentor junior UI engineers, guiding them in best practices and technical skills.

• Team Lead/Architect Path: With demonstrated technical leadership and strategic thinking, progress towards roles like Senior UI Engineer, Lead UI Engineer, or Frontend Architect.

• Client Engagement: Develop strong client-facing communication and presentation skills, leading to opportunities in client management or technical consulting roles.

📝 Enhancement Note: Capgemini's extensive training resources provide a clear path for continuous skill development. For a UI Engineer, growth often involves a combination of deepening technical expertise and broadening understanding of the full development lifecycle and business context, especially within a specialized domain like banking.

🌐 Work Environment

Office Type: Hybrid. This means a blend of working from Capgemini's London offices, client sites, and home. The specific allocation will depend on project needs and client engagements.

Office Location(s): Capgemini has offices in London, which are likely to be accessible via public transport. Client site locations will vary depending on the project.

Workspace Context:

• Collaborative Spaces: Offices are expected to provide collaborative areas for team meetings, brainstorming sessions, and client interactions, supporting the hybrid model.

• Technology Access: Access to necessary development tools, high-speed internet, and potentially specialized hardware or software required for client projects.

• Team Interaction: Regular opportunities for in-person interaction with colleagues and clients, fostering team cohesion and effective communication within the hybrid setup.

Work Schedule: Standard full-time working hours (approx. 37.5-40 hours/week). While hybrid work offers flexibility, client project deadlines and team collaboration may require adherence to specific schedules. The role explicitly states that 100% remote work is not an option, implying a need for regular office or client site presence.

📝 Enhancement Note: The hybrid nature requires strong self-management and communication skills to ensure seamless collaboration regardless of location. Candidates should be comfortable working in varied environments, from formal client offices to Capgemini's internal hubs.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and potentially a brief call with a recruiter to assess basic qualifications and cultural fit.

• Technical Interview(s): In-depth discussions focusing on your React, TypeScript, and frontend development expertise. Expect coding challenges, architectural design questions, and scenario-based problems.

• Portfolio Review: Presentation of your portfolio, where you'll walk through selected projects, explaining your role, technical decisions, challenges, and outcomes. Be prepared to discuss your approach to design systems, component reusability, and performance optimization.

• Behavioral/Situational Interview: Questions assessing your problem-solving skills, collaboration style, ability to work in a hybrid environment, and how you handle pressure or complex situations.

• Final Interview: Potentially with a hiring manager or senior stakeholder to discuss career aspirations and overall fit with Capgemini's values and project needs.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 projects that best showcase your React, TypeScript, and design system skills. Prioritize projects with demonstrable impact.

• Quantify Achievements: Whenever possible, use metrics to highlight the success of your work (e.g., "reduced load time by 30%", "increased component reusability by 50%").

• Explain Your Role: Clearly articulate your specific contributions, technical decisions, and problem-solving approach.

• Demonstrate Design-to-Code: Show how you translated Figma designs into functional UI, highlighting attention to detail and adherence to specifications.

• Discuss Architecture: Be ready to explain your thought process behind UI architecture, component design, and performance optimization strategies.

• Highlight Collaboration: If possible, provide examples of effective collaboration with designers, backend engineers, or product managers.

Challenge Preparation:

• Live Coding: Practice common React and TypeScript coding challenges, focusing on component creation, state management, and API integration.

• System Design: Prepare to discuss how you would design a scalable UI architecture, a component library, or a design system from scratch.

• Problem-Solving Scenarios: Think about how you would approach debugging complex UI issues, optimizing performance, or integrating with existing systems.

• Behavioral Questions: Prepare STAR method (Situation, Task, Action, Result) answers for common behavioral questions related to teamwork, challenges, and problem-solving.

📝 Enhancement Note: The portfolio review is a critical component for this role. Candidates should be prepared to not just show their work but articulate the "why" and "how" behind their technical decisions, demonstrating a deep understanding of frontend engineering best practices and their application in real-world projects.

🛠 Tools & Technology Stack

Primary Tools:

• React: The core JavaScript library for building user interfaces.

• TypeScript: Essential for type safety, code maintainability, and scalability in large projects.

• Tailwind CSS: A utility-first CSS framework for rapid UI development.

• Figma: The primary tool for design mockups and prototyping, requiring seamless integration into development workflows.

Analytics & Reporting:

• Browser Developer Tools: Chrome DevTools, Firefox Developer Tools for debugging, performance profiling, and network analysis.

• Performance Monitoring Tools: While not explicitly listed, experience with tools like Lighthouse, WebPageTest, or even APM tools for frontend insights would be beneficial.

• Analytics Platforms: Familiarity with tools like Google Analytics or similar for tracking user behavior on web applications.

CRM & Automation:

• Version Control: Git (and platforms like GitHub, GitLab, Bitbucket) for code management and collaboration.

• Build Tools: Webpack, Vite, or similar for bundling and optimizing frontend assets.

• Package Managers: npm or Yarn for managing project dependencies.

• CI/CD Tools: Familiarity with Jenkins, GitLab CI, GitHub Actions, or similar for automated testing and deployment pipelines.

📝 Enhancement Note: Proficiency in React, TypeScript, and Tailwind CSS are non-negotiable. Experience with design systems and the ability to seamlessly translate Figma designs are also key. Understanding the broader ecosystem of frontend development tools, including build processes, version control, and CI/CD, is crucial for efficient project delivery.

👥 Team Culture & Values

Operations Values:

• Collaboration: Strong emphasis on teamwork and cross-functional interaction, essential for success in a hybrid and client-facing environment.

• Innovation: Encouraging new ideas and the application of advanced technologies to solve business problems.

• Excellence: Commitment to delivering high-quality, performant, and maintainable code and solutions.

• Integrity & Ethics: Adhering to high ethical standards in all business dealings, as reflected in Capgemini's recognition as a World's Most Ethical Company.

• Client Focus: Dedication to understanding and meeting client needs, driving tangible business value through technology.

• Wellbeing: Prioritizing employee mental and physical health, fostering a supportive and inclusive work environment.

Collaboration Style:

• Cross-functional Integration: Working closely with engineers, architects, UX designers, and product managers to achieve project goals.

• Agile & Iterative: Embracing feedback loops and adapting to changing requirements through agile methodologies.

• Knowledge Sharing: Encouraging the sharing of best practices, insights, and learnings across teams and projects.

• Open Communication: Maintaining transparent and effective communication, especially crucial in a hybrid work setting.

📝 Enhancement Note: Capgemini's values are centered around ethical conduct, client success, innovation, and employee wellbeing. Candidates should demonstrate how their personal values and work style align with these principles, particularly regarding collaboration and a commitment to quality.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Client Requirements: Navigating diverse and sometimes demanding requirements from clients in the banking sector, which often involve stringent security and regulatory compliance.

• Hybrid Work Coordination: Ensuring seamless collaboration and productivity across different work locations and team members.

• Keeping Pace with Technology: Continuously learning and adapting to the rapidly evolving landscape of frontend technologies and best practices.

• Balancing Innovation and Stability: Implementing new features and technologies while maintaining the stability and performance of existing applications, particularly in a critical domain like banking.

• Translating Complex Designs: Accurately and efficiently translating intricate UI/UX designs from Figma into production-ready code.

Learning & Development Opportunities:

• Specialized Training: Access to a vast library of courses and certifications to deepen expertise in React, TypeScript, frontend architecture, and related technologies.

• Mentorship Programs: Opportunities to learn from senior engineers and architects within Capgemini and to mentor junior team members.

• Industry Conferences & Events: Potential to attend industry events, think tanks, and hackathons to gain exposure to new trends and network with peers.

• Exposure to Diverse Projects: Working on a variety of projects across different banking sub-sectors, providing broad experience and insight into the industry.

• Career Pathing: Structured support for career progression, with clear pathways towards senior technical roles, team leadership, or specialized consulting positions.

📝 Enhancement Note: The primary challenges revolve around the consulting environment's dynamic nature, the specific demands of the banking sector, and the complexities of hybrid work. However, Capgemini's commitment to learning and development provides ample opportunities to overcome these challenges and foster significant professional growth.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex UI component you've built using React and TypeScript. What were the technical challenges, and how did you overcome them?" (Focus on architecture, reusability, and problem-solving).

• "How do you approach translating a detailed Figma design into production code? What are the key considerations to ensure accuracy and efficiency?" (Highlight attention to detail, understanding of design systems, and workflow).

• "Imagine you need to optimize the performance of a slow-loading React application. What steps would you take, and what tools would you use?" (Demonstrate knowledge of performance profiling and optimization techniques).

Company & Culture Questions:

• "Why are you interested in working for Capgemini, and specifically in a role focused on the banking domain?" (Research Capgemini's recent projects, values, and success in the financial sector).

• "How do you see yourself contributing to a hybrid work environment and collaborating effectively with a distributed team?" (Emphasize communication, proactivity, and adaptability).

Portfolio Presentation Strategy:

• Narrative Arc: Structure your portfolio walkthrough with a clear introduction, problem statement, your solution (technical details, design choices), challenges faced, and quantifiable results.

• Visual Aids: Use screenshots, live demos (if possible), and code snippets to illustrate your points effectively.

• Focus on Impact: Emphasize the business value and user experience improvements your work delivered, not just the technical implementation.

• Tailor to the Role: Highlight projects that best demonstrate your React, TypeScript, Figma-to-code, and design system experience. If you have banking domain experience, make sure to showcase it.

• Be Prepared for Deep Dives: Anticipate in-depth questions about your code, architectural decisions, and problem-solving approaches.

📝 Enhancement Note: Interview preparation should focus on demonstrating not only technical proficiency but also a strategic understanding of UI development within a consulting context and the specific nuances of the banking industry. Your portfolio should serve as tangible proof of your capabilities.

📌 Application Steps

To apply for this UI Engineer position:

• Submit your application through the provided link on the Capgemini careers website.

• Portfolio Customization: Ensure your resume and portfolio are tailored to highlight your experience with React, TypeScript, Tailwind CSS, Figma integration, and any relevant banking domain experience. Prioritize projects that showcase component libraries or design system work.

• Resume Optimization: Clearly articulate your responsibilities and achievements using keywords from the job description, such as "TypeScript," "React," "Figma," "UI Architecture," and "Performance Optimization." Quantify your accomplishments whenever possible.

• Interview Preparation: Practice your responses to common technical and behavioral questions, and prepare a concise, compelling walkthrough of your portfolio, focusing on impact and technical decisions.

• Company Research: Familiarize yourself with Capgemini's services, values (especially ethics and wellbeing), and recent work in the financial services sector to demonstrate genuine interest and cultural alignment.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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