Lead UI Engineer

📍 Job Overview

Job Title: Lead UI Engineer

Company: National Grid

Location: Warwick, England, United Kingdom (Hybrid)

Job Type: Full-Time

Category: Technology / Engineering - UI / Front-end Development

Date Posted: May 22, 2026

Experience Level: Senior/Lead (10+ years implied)

Remote Status: Hybrid

🚀 Role Summary

• Lead and mentor a team of UI Engineers to develop and deliver exceptional, user-centered front-end experiences for National Grid's digital platforms.

• Drive technical excellence by defining UI engineering best practices, standards, and scalable architectural patterns, aligning with a modern micro-frontend strategy.

• Ensure the delivery of secure, performant, accessible, and maintainable enterprise-grade web applications through rigorous code quality oversight and adoption of advanced testing methodologies.

• Foster a culture of continuous improvement and Agile delivery, actively removing impediments and collaborating closely with design, product, and engineering teams to achieve strategic outcomes.

📝 Enhancement Note: The role is explicitly described as a "Lead UI Engineer" with responsibilities for "people management, delivery and technical responsibilities," strongly indicating a senior leadership position within the UI engineering function. The mention of deputizing for the "Head of UI" further reinforces this senior leadership context.

📈 Primary Responsibilities

• Lead, coach, and inspire a high-performing team of UI Engineers, fostering a culture of technical excellence, ownership, and continuous improvement.

• Establish and enforce technical direction for UI engineering, defining best practices, coding standards, and architectural patterns for scalable, maintainable, and high-quality front-end solutions.

• Oversee code quality, architecture, and tooling decisions, guiding teams in the implementation of a modern micro-frontend strategy.

• Champion Agile delivery methodologies, proactively identifying and removing impediments, coaching the team on best practices, and ensuring predictable delivery across UI projects.

• Collaborate closely with UX/UI designers, backend engineers, and product managers to ensure UI solutions are user-centered, accessible (WCAG compliant), and strategically aligned with the broader technology roadmap.

• Drive technical governance, risk awareness, and compliance, ensuring all UI solutions meet security, performance, and engineering standards.

• Contribute to recruitment, resource planning, and capability development within the UI function, actively shaping the future of the team.

• Act as a trusted deputy to the Head of UI, representing the team in key decisions and supporting wider engineering initiatives.

📝 Enhancement Note: While the input provided a high-level summary, the detailed responsibilities have been inferred by expanding on the core aspects of a "Lead UI Engineer" role in a large enterprise context like National Grid. This includes specific actions related to team leadership, technical strategy, quality assurance, Agile practices, cross-functional collaboration, and governance, which are standard expectations for such a position.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong foundation in Computer Science, Software Engineering, or a related technical field is typically expected for a Lead Engineer role. Practical experience and demonstrable skills will be prioritized.

Experience: Multiple years of experience in a Lead Engineering role within a cloud or hybrid environment, encompassing people management, project delivery, and significant technical responsibilities. A proven track record of delivering complex, enterprise-grade web applications at scale.

Required Skills:

• Expert-level proficiency in front-end engineering technologies: HTML5, CSS3 (including pre-processors like Sass/LESS), JavaScript (ES6+), and TypeScript.

• Deep expertise with the Angular framework and modern front-end tooling.

• Strong understanding of scalable UI architectures, including component-driven and micro-frontend strategies.

• Proven experience in leading engineering teams, including people management, mentorship, and performance coaching.

• Hands-on experience with a quality-first engineering mindset, including unit, integration, and end-to-end testing.

• Confident application of Test-Driven Development (TDD) and Behavior-Driven Development (BDD) principles.

• Demonstrated track record of delivering secure, performant, responsive, and accessible (WCAG) enterprise-grade web applications built for scale, monitoring, and high availability.

• Practical experience with component libraries and design systems, leveraging tools like Storybook or Figma for reusable UI components.

• Solid engineering fundamentals, including Git branching strategies, CI/CD pipeline implementation, feature toggling, and secure coding best practices.

• Experience integrating with backend services via REST APIs.

• Excellent communication, collaboration, and stakeholder management skills, with the ability to translate complex technical concepts for diverse audiences.

• Proven success in fostering a culture of growth, feedback, and empowerment within engineering teams.

Preferred Skills:

• Experience with cloud platforms (e.g., AWS, Azure) and their associated services relevant to front-end deployment and operations.

• Familiarity with observability platforms and application performance monitoring (APM) tools.

• Experience with cloud-based analytics and experimentation tools.

• Knowledge of build tools and bundlers (e.g., Webpack, Vite).

• Experience with backend integration patterns beyond REST, such as GraphQL.

📝 Enhancement Note: The "Qualifications" section was significantly expanded based on the "What You'll Bring" section of the input. Specific technologies like HTML, CSS, JavaScript, TypeScript, and Angular were explicitly listed. The requirement for "multiple years of experience in a Lead Engineering role" was interpreted as implying a senior experience level, and details about testing methodologies (TDD/BDD), architecture styles (micro-frontend), and collaboration tools (Storybook/Figma) were included as they are standard expectations for a Lead UI Engineer.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Case Studies: Showcase 2-3 impactful projects demonstrating leadership in UI development, highlighting problem-solving, technical decision-making, and team leadership. Focus on projects that involved significant architectural design or process improvement.

• Code Samples: Provide access to well-structured, maintainable code repositories (e.g., GitHub) that demonstrate expertise in HTML, CSS, JavaScript/TypeScript, and Angular. Emphasize clean code, testing practices, and adherence to modern front-end standards.

• Architectural Diagrams: Illustrate your approach to designing scalable and maintainable UI architectures, particularly those involving micro-frontends or complex component systems.

• Process Improvement Examples: Detail instances where you implemented new processes, tools, or methodologies to improve team efficiency, code quality, or delivery speed within a UI engineering context.

Process Documentation:

• Workflow Design: Demonstrate experience in designing and optimizing front-end development workflows, including CI/CD pipelines, code review processes, and testing strategies.

• System Implementation: Provide examples of successfully implementing and integrating front-end frameworks, component libraries, and design systems into enterprise environments.

• Performance Metrics: Showcase how you measure and report on the performance of UI applications, including metrics related to load times, user interaction, accessibility, and code quality.

📝 Enhancement Note: This section is inferred based on the "Lead" title and the emphasis on technical leadership and delivery. For a Lead Engineer, a portfolio demonstrating not just technical skill but also leadership, process improvement, and architectural thinking is crucial. The requirements are tailored to showcase these aspects within a UI engineering context.

💵 Compensation & Benefits

Salary Range: £75,000 – £90,000 per annum. This range is stated to be based on capability and experience.

Benefits:

• Annual Performance Incentive: Up to 30% of your annual salary, tied to performance.

• Pension Scheme: Competitive contributory pension scheme with a double-match contribution, up to a maximum company contribution of 12%.

• Flexible Benefits: Access to a Cycle Scheme, Share Incentive Plan, and Technology Schemes for personal and professional development.

• Health & Wellbeing:

  • Digital GP Service: Round-the-clock access to GP video consultations and NHS repeat prescription services.
  • Wellbeing App: Support for health and fitness.

• Family Support: Access to Work + Family Space, offering resources and support for work and family life, including paid emergency childcare and eldercare.

Working Hours: Full-time basis expected, with 40 hours per week implied by standard full-time roles. The role also specifies quarterly 2-3 day in-person planning events.

📝 Enhancement Note: The salary range and specific benefits were directly extracted from the "What You'll Get" section. The working hours were inferred as 40 hours based on standard full-time employment, and the mention of quarterly in-person events was included to provide context on the schedule.

🎯 Team & Company Context

🏢 Company Culture

Industry: Energy Infrastructure / Utilities. National Grid plays a critical role in transmitting and distributing electricity and gas, essential for powering society and enabling the energy transition. This context implies a focus on reliability, security, and long-term strategic planning within their technology operations.

Company Size: Large Enterprise (indicated by the scope of operations, global presence, and structured benefits). This suggests a complex organizational structure, established processes, and opportunities for large-scale impact.

Founded: National Grid was formed in 1990 through the privatization of the UK's electricity supply industry, with significant historical roots in the public sector. This long history implies a stable, established organization with a deep understanding of critical infrastructure.

Team Structure:

• Technology Department: This role sits within the Technology team, specifically focusing on UI Engineering.

• Reporting Hierarchy: The Lead UI Engineer will report to the Head of UI, with the potential to deputize for this role. The team consists of UI Engineers who will report directly to this Lead.

• Cross-functional Collaboration: Close partnerships are expected with UX/UI Designers, Backend Engineers, Product Teams, and Technology Leaders across the enterprise to ensure alignment and successful delivery of digital experiences.

Methodology:

• Agile Delivery: The team operates using Agile ways of working, emphasizing iterative development, continuous improvement, and responsiveness to change.

• User-Centred Design: A strong focus on creating intuitive, elegant, and user-centered front-end experiences that meet the needs of millions of customers.

• Technical Excellence: Championing high-quality, scalable, and maintainable software solutions through best practices, rigorous standards, and modern engineering approaches.

Company Website: https://www.nationalgrid.com/

📝 Enhancement Note: Company context was derived from the provided company name "National Grid" and general knowledge of its industry. The "About us" and "Job Purpose" sections were used to infer the company's mission and the role's strategic importance. The team structure and methodology were inferred from standard practices in large technology organizations and the specific responsibilities outlined in the job description.

📈 Career & Growth Analysis

Operations Career Level: This is a senior leadership position within the UI Engineering discipline. It requires not only deep technical expertise but also the ability to lead teams, set technical direction, and influence stakeholders across the organization. It represents a significant step up from a Senior UI Engineer role, focusing on strategic impact and people development.

Reporting Structure: The Lead UI Engineer will report to the Head of UI, a senior technology leader. They will manage a team of UI Engineers, acting as a direct supervisor and mentor. This structure allows for clear lines of responsibility and direct impact on team performance.

Operations Impact: The UI Engineer's work directly impacts the customer experience across National Grid's digital platforms. By ensuring intuitive, reliable, and accessible interfaces, this role contributes to customer satisfaction, operational efficiency, and the company's overall digital transformation efforts. The role is critical in shaping how millions of customers interact with National Grid.

Growth Opportunities:

• Technical Specialization: Deepen expertise in advanced front-end architectures, performance optimization, and scalable UI systems.

• Leadership Development: Progress into higher leadership roles, such as Head of UI, Head of Engineering, or Principal Engineer, with increased scope of responsibility and strategic influence.

• Cross-functional Expertise: Gain broader experience by collaborating on larger enterprise technology initiatives and potentially exploring adjacent areas like product management or engineering management.

• Mentorship & Community Building: Develop skills in mentoring junior engineers and contributing to the growth of the broader software engineering community within National Grid.

📝 Enhancement Note: The career analysis is based on the "Lead" designation, the described responsibilities, and typical career progression paths in large technology organizations. The focus is on the transition from individual contributor to team leader and strategic influencer within the UI engineering domain.

🌐 Work Environment

Office Type: Hybrid working model, with options for basing the role at National Grid's offices in Warwick, Bristol, or Cardiff. Access to a London co-working space is also available. This suggests a modern, flexible work environment designed to accommodate diverse working styles.

Office Location(s): Warwick (CV34 6DA), Bristol, Cardiff, and London (co-working space). These are major UK cities, offering good accessibility and amenities.

Workspace Context:

• Collaborative Spaces: The office environments likely feature collaborative areas designed for team discussions, brainstorming, and cross-functional meetings, supporting the Agile methodology and close partnership with other departments.

• Technology Access: As a technology-focused role, expect access to modern development tools, high-performance workstations, and robust network infrastructure necessary for complex front-end development and collaboration.

• Team Interaction: Regular interaction with the UI Engineering team, designers, product managers, and other engineering leads will be facilitated through in-person meetings, hybrid collaboration tools, and quarterly planning events.

Work Schedule: Primarily full-time with a hybrid arrangement. The role also mandates quarterly 2-3 day in-person planning events at one of the office locations, ensuring team cohesion and strategic alignment. This schedule balances flexibility with essential in-person collaboration.

📝 Enhancement Note: The description of the work environment is based on the "hybrid working" model, the specified office locations, and the mention of quarterly in-person planning events. These elements suggest a structured yet flexible office setup designed to support both remote and in-office collaboration for a large enterprise.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and application, focusing on alignment with the required skills and experience, particularly leadership in UI engineering and Angular expertise.

• Technical Interview(s): Expect in-depth discussions on front-end architecture, coding best practices, JavaScript/TypeScript/Angular proficiency, testing strategies, and experience with micro-frontend architectures. This may include live coding exercises or problem-solving scenarios.

• Leadership & Behavioral Interview: Assessment of your leadership style, team management experience, ability to mentor, stakeholder management skills, and how you handle conflict or ambiguity. Questions will focus on your approach to Agile delivery and fostering a positive team culture.

• Portfolio Presentation/Review: A dedicated session to present your portfolio, showcasing key projects, architectural decisions, and process improvements. Be prepared to discuss your role, technical contributions, team dynamics, and the impact of your work.

• Final Interview: A discussion with senior leadership (potentially the Head of UI or a Director of Engineering) to assess strategic alignment, cultural fit, and overall suitability for the Lead role.

Portfolio Review Tips:

• Curate for Leadership: Highlight projects where you demonstrated leadership, mentored team members, or drove significant technical decisions.

• Showcase Architecture: Include diagrams or explanations of your UI architecture designs, especially for complex applications or micro-frontend implementations.

• Quantify Impact: Whenever possible, use metrics to demonstrate the positive outcomes of your work (e.g., performance improvements, reduced bug rates, increased team velocity, user satisfaction scores).

• Explain Process: Detail the development processes you implemented or improved, such as CI/CD pipelines, testing strategies, or code review practices.

• Highlight Collaboration: Provide examples of how you collaborated effectively with designers, product managers, and backend engineers.

Challenge Preparation:

• Technical Challenge: Be ready for a coding challenge that assesses your proficiency in Angular, TypeScript, and modern JavaScript. Focus on clean, efficient, and well-tested code.

• Architectural Design: Prepare to discuss how you would approach designing a scalable UI architecture for a new feature or a modernization effort, considering aspects like performance, maintainability, and security.

• Team Leadership Scenario: Anticipate questions about how you would handle a team conflict, onboard a new engineer, or motivate a team facing tight deadlines.

📝 Enhancement Note: The interview process and portfolio review tips are tailored for a Lead UI Engineer role in a large enterprise. The focus is on assessing not only technical depth but also leadership capabilities, strategic thinking, and the ability to manage complex projects and teams.

🛠 Tools & Technology Stack

Primary Tools:

• Front-end Frameworks: Angular (expert level required)

• Languages: HTML5, CSS3 (and pre-processors like Sass/LESS), JavaScript (ES6+), TypeScript

• UI Component Libraries/Design Systems: Storybook, Figma (or similar tools for creating reusable UI systems)

• Version Control: Git (including branching strategies like Gitflow)

• Build Tools: Webpack, Vite, or similar bundlers and module loaders.

Analytics & Reporting:

• Cloud-based Analytics Tools: Google Analytics, Adobe Analytics, or similar platforms for user behavior tracking.

• Experimentation Tools: Optimizely, VWO, or A/B testing frameworks for feature validation.

• Observability Platforms: Datadog, New Relic, Dynatrace, or similar for monitoring application performance and user experience.

CRM & Automation:

• While not directly front-end tools, experience integrating with backend services and APIs that feed data to or are consumed by front-end applications is crucial. This implies familiarity with RESTful API principles.

📝 Enhancement Note: The tools and technology stack have been compiled based on the explicitly mentioned technologies in the job description (HTML, CSS, JavaScript, TypeScript, Angular, Storybook, Figma) and standard practices for a Lead UI Engineer role in an enterprise environment, including CI/CD, testing frameworks, analytics, and observability tools.

👥 Team Culture & Values

Operations Values:

• Customer Centricity: A commitment to delivering exceptional user experiences that meet the needs of National Grid's millions of customers.

• Technical Excellence: A dedication to building high-quality, scalable, secure, and maintainable software through rigorous standards and best practices.

• Collaboration & Teamwork: A belief in the power of cross-functional teamwork, open communication, and mutual support to achieve common goals.

• Continuous Improvement: An ethos of learning, adapting, and consistently seeking ways to optimize processes, technologies, and team performance.

• Ownership & Accountability: Taking responsibility for outcomes, proactively addressing challenges, and driving initiatives to completion.

Collaboration Style:

• Cross-functional Integration: Working closely with designers, product managers, backend engineers, and other technology teams to ensure seamless integration of UI solutions and alignment with business objectives.

• Agile & Iterative: Embracing Agile principles to foster flexibility, rapid feedback loops, and iterative delivery, encouraging open dialogue and shared problem-solving.

• Knowledge Sharing: Actively participating in code reviews, technical discussions, and mentoring to spread knowledge, best practices, and foster a learning environment within the engineering community.

📝 Enhancement Note: The "Team Culture & Values" section is inferred from the company's mission ("keeping people connected and society moving," "energy transition"), the role's emphasis on customer experience, and standard corporate values for a large, responsible organization like National Grid, combined with Agile principles.

⚡ Challenges & Growth Opportunities

Challenges:

• Scale & Complexity: Managing and evolving UI for a large enterprise with diverse user needs and a complex existing technology landscape.

• Legacy System Integration: Balancing the introduction of modern front-end architectures with the need to integrate with or modernize legacy backend systems.

• Maintaining High Standards: Ensuring consistent code quality, performance, and accessibility across a growing number of digital assets and team members.

• Driving Change: Championing new technologies and methodologies within a large, established organization, requiring strong influence and stakeholder management.

Learning & Development Opportunities:

• Advanced Architectural Patterns: Deepen knowledge in micro-frontends, progressive web applications (PWAs), and other cutting-edge front-end architectural concepts.

• Leadership & Management Skills: Develop advanced people management, strategic planning, and stakeholder engagement skills through formal training and hands-on experience.

• Industry Best Practices: Stay abreast of emerging trends in UI/UX, front-end development frameworks, and accessibility standards through conferences, training, and community engagement.

• Cross-Disciplinary Exposure: Gain exposure to other areas of the technology organization, such as cloud infrastructure, data engineering, or cybersecurity, to build a more holistic understanding of enterprise technology.

📝 Enhancement Note: Challenges and growth opportunities are derived from the nature of a "Lead" role in a large enterprise like National Grid, combining technical complexities with leadership demands. The opportunities focus on advancing both technical and leadership capabilities.

💡 Interview Preparation

Strategy Questions:

• UI Strategy & Architecture: "How would you approach designing a scalable micro-frontend architecture for a customer-facing portal with multiple distinct sections?" or "Describe your process for ensuring UI consistency and maintainability across a large enterprise application."

  • Preparation: Be ready to discuss trade-offs, specific technologies (e.g., module federation, shared component libraries), and how you'd balance innovation with stability.

• Team Leadership & Agile: "How do you foster a culture of ownership and continuous improvement within a UI engineering team?" or "Describe a time you had to resolve a conflict between technical best practices and project deadlines."

  • Preparation: Use the STAR method (Situation, Task, Action, Result) to provide concrete examples of your leadership style, problem-solving, and Agile facilitation.

• Technical Problem Solving: "Given a scenario where a critical customer-facing UI is experiencing performance issues, how would you diagnose and resolve the problem?"

  • Preparation: Outline your diagnostic steps, including performance profiling tools, code analysis, and collaboration with backend teams.

Company & Culture Questions:

• "What interests you about National Grid and our mission to support the energy transition?"

  • Preparation: Research National Grid's current projects, sustainability goals, and recent news. Connect your passion for technology to their broader impact.

• "How do you ensure your team's work aligns with broader business objectives and contributes to customer satisfaction?"

  • Preparation: Emphasize your understanding of the link between UI development and business outcomes, customer experience, and operational efficiency.

Portfolio Presentation Strategy:

• Focus on Impact: For each project, clearly articulate the problem you solved, your specific role and contributions, the technical challenges overcome, and the quantifiable results achieved.

• Showcase Leadership: Highlight instances where you led the team, mentored engineers, made key technical decisions, or improved processes.

• Demonstrate Technical Depth: Be prepared to dive into the technical details of your projects, explaining architectural choices, code quality practices, and testing strategies.

• Address Collaboration: Explain how you worked with designers, product managers, and other engineering teams.

📝 Enhancement Note: Interview preparation advice is designed to help candidates showcase their leadership, technical expertise, and strategic thinking, which are crucial for a Lead role. It emphasizes preparing for behavioral questions, technical scenarios, and a compelling portfolio presentation.

📌 Application Steps

To apply for this Lead UI Engineer position:

• Submit your application through the provided link on the National Grid jobs portal.

• Portfolio Customization: Tailor your CV and cover letter to highlight your leadership experience, expertise in Angular and modern front-end architectures, and your ability to manage and mentor engineering teams.

• Resume Optimization: Ensure your resume clearly details your experience with HTML, CSS, JavaScript, TypeScript, Angular, TDD/BDD, CI/CD, and experience in lead engineering roles. Quantify achievements wherever possible.

• Interview Preparation: Practice articulating your experience using the STAR method for behavioral questions and prepare to discuss technical challenges and architectural solutions relevant to enterprise UI development. Review your portfolio thoroughly for presentation.

• Company Research: Familiarize yourself with National Grid's mission, values, current projects, and their role in the energy transition to demonstrate genuine interest and cultural fit.

⚠️ 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.