Senior UX/UI Designer - App Ops

Who We Are WPP Enterprise Solutions designs, builds, and operates the growth systems that competitive businesses rely on. In a world where Al is reshaping how companies drive growth, we lead clients in business transformation and marketing modernization, connecting strategy directly to execution. Our 12,000 experts in engineering and platforms, commerce, consulting, content transformation, CRM, and CX work within a unified global operating unit across 40+ markets. WPP Enterprise Solutions works alongside best-in-class partners including Adobe, AWS, Braze, Google, Microsoft, Salesforce, and Shopify, as well as innovators in AI, to deliver growth solutions tailored to the needs of our clients’ businesses. VML, part of WPP, supports WPP Enterprise Solutions by helping brands activate transformation through creativity and experience. Senior Product Designer (UX/UI) - (70% UI / 30% UX), wanted to join our dynamic team at our central London office on a permanent basis. The opportunity: We are seeking a highly skilled and passionate Senior UX/UI Product Designer with a specialized focus on mobile applications to join our dynamic, flexible team, embedded directly with a leading automotive client's App Operations team. This hybrid role is for a hands-on designer who excels at crafting, optimizing, and delivering exceptional mobile-first digital experiences that drive user engagement, enhance operational efficiency, and seamlessly integrate into the broader automotive customer journey. You will be instrumental in translating complex automotive functionalities and operational needs into intuitive and delightful mobile user interfaces. Working collaboratively within a cross-functional team, you will be responsible for the end-to-end design lifecycle of the client's mobile apps, ensuring every pixel and interaction is meticulously considered and executed. Please note that this job is a full-time perm position in London. What you’ll be doing: You are a hands-on, highly motivated, self-sufficient Senior UX/UI Product Designer with deep expertise in mobile-first design principles, patterns, and best practices. Your passion for user-centric design pushes you to create intuitive, efficient, and visually appealing mobile experiences for our automotive client. Mobile-First Design & Execution: Lead the end-to-end UX and UI design process for features and functionalities within the client's mobile applications (iOS and Android). Develop detailed user flows, interaction models, information architecture, wireframes, and interactive prototypes specifically tailored for mobile platforms. Create pixel-perfect, high-fidelity UI designs, incorporating the client's brand guidelines, design system, and best practices for mobile usability and aesthetics. Focus on micro-interactions, gestural controls, haptic feedback, notification systems, and responsive layouts for various mobile device sizes and orientations. Ensure all designs are technically feasible and collaborate closely with developers during implementation, providing detailed specifications and reviewing UI for fidelity. User Research & Testing (Mobile Context): Conduct and participate in user research sessions (e.g., usability testing on mobile devices, remote ethnography, A/B testing within apps) to gather insights specific to mobile user behaviour and preferences. Analyze app analytics, user feedback, and market trends to identify pain points and opportunities for mobile app experience improvements. Translate research findings into actionable design recommendations and iterate on designs based on user feedback and performance data. Collaboration & Advocacy: Work closely with the UX Lead, App Operations team, product managers, developers, and other designers to ensure a cohesive product strategy and design execution across all mobile initiatives. Contribute to and advocate for the adoption of mobile-first design best practices, accessibility standards, and consistent design patterns within the App Operations team. Present design concepts, rationale, and user insights clearly and persuasively to stakeholders, fostering a shared understanding and buy-in for mobile experience enhancements. What we want from you: Mobile UX/UI Specialization (Essential): Proven track record as a Senior UX/UI Designer with a specialized, hands-on focus on mobile application design (iOS and Android), demonstrating exceptional craft and attention to detail. Automotive Context: Experience designing for the automotive sector or other highly regulated/complex industries with a strong digital product presence is highly desirable. Exceptional Portfolio: A must-have portfolio demonstrating end-to-end UX/UI design for mobile apps, showcasing your process from research and wireframing through to polished UI and implemented solutions. Mastery of Mobile Design Principles: Deep understanding and practical application of mobile-first design principles, platform-specific guidelines (e.g., Apple Human Interface Guidelines, Google Material Design), and responsive design. Figma & Prototyping Proficiency: High proficiency in modern design tools, especially Figma, with the ability to create scalable, well-structured design files, interactive mobile prototypes, and high-fidelity UI. User Research & Testing: Strong experience in conducting and participating in mobile-specific user research (qualitative and quantitative), including usability testing on devices, A/B testing, and synthesizing results into design solutions. Technical Understanding: Familiarity with mobile app development processes, limitations, and platform capabilities to ensure designs are technically feasible and optimized for performance. Collaboration & Communication: Excellent communication and collaboration skills, able to present and articulate design decisions and rationale clearly to developers, product managers, and other stakeholders. Problem-Solving & Autonomy: A proactive, problem-solving mindset, capable of working autonomously to manage design tasks and priorities within a fast-paced, cross-functional App Operations team. Design System Contribution: Experience working with and contributing to comprehensive design systems, ensuring consistency and scalability of mobile components. Accessibility & Performance: Solid understanding of mobile accessibility standards and performance considerations to ensure inclusive and efficient app experiences. What we can offer you: Alongside the opportunity to work with some of the most exciting brands around the world, we’ll also prioritise your career development and help you grow your skills. We’ll empower you to make a difference, allow you to be yourself, and respect who you are. Permanent only: We offer a great benefits package including a discretionary bonus scheme, training opportunities, competitive pension, medical insurance, life assurance, social events, opportunities to buy and sell holidays, family friendly policies, discounts with hundreds of retailers and much more. Our culture thrives on our core values, designed for impact-driven individuals: Heart, Brains and Courage. We lead with Heart , fostering empathy and trust where genuine connections and human-centric work flourish. We empower your Brains for innovation, valuing relentless curiosity and collaborative intelligence to solve complex challenges. And we champion Courage , inspiring you to speak up, embrace experimentation, and advocate for bold solutions that push our thinking to be better than yesterday. AT VML Enterprise Solutions Our Enterprise Solutions division houses strategic consultants, creative and technical architects and skilled developers and operators that together help some of the world’s leading organisations to deliver outstanding digital experiences across all major routes to market worldwide: marketplaces, online retailers, D2C, B2B and social platforms. With over 4,200 experts in 55 operational centres across 34 countries, our capabilities span the entire buying journey from customer acquisition, through engagement, to conversion and loyalty, driving multi-channel growth for world-leading brands. We work with some of the most exciting brands such as The Coca-Cola Company, EY, Bosch, Unilever, Ford, DFS, Mercedes-Benz, Johnson & Johnson, Nestlé, Sainsbury’s, Selfridges, Shell and Tiffany & Co. We’ve built over 500 platforms for brands and retailers and generate in excess of $29bn annually for our clients and work with over 50 strategic partners including Adobe, SAP, Salesforce, HCL, Shopify, Sitecore, BigCommerce, commerce tools and Acquia. Our reputation is based on our people, and we believe we have some of the best in the business. As our business grows internationally, we’re looking for new people to join us on our journey to inspire and take a key role in shaping some of the best commerce solutions, services, and websites in the world. Working as a team, no problem is insurmountable; we share in our client’s successes and believe that anyone can show creative bravery no matter what their role is in the team. #LI-KB1 #LI-HYBRID #LI-EMEA About WPP WPP is the trusted growth partner for the world’s leading brands. With exceptional talent, trusted data and intelligence and world-class partnerships – all united by our agentic marketing platform, WPP Open – we help clients navigate change, capture opportunity and deliver transformational growth. For more information, visit WPP.com . WPP (VML/WPP Enterprise Solutions) is an equal opportunity employer and considers applicants for all positions without discrimination or regard to characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. When you click "Submit Application", this will send any information you add below to WPP (VML/WPP Enterprise Solutions). Before you do this, we think it's a good idea to read through our Recruitment Privacy Policy . California residents should read our California Recruitment Privacy Notice . 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