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Senior UX/UI Designer (CRO)
Senior UX/UI or Product Designer (Conversion Rate Optimisation & Experimentation) – VML Enterprise Solutions
About VML and WPP
VML, part of WPP, is a leading creative agency blending brand experience, customer experience, and commerce to craft connected brands driving growth. Recognised by the Forrester Wave™ Reports as a Leader in Marketing Creative & Content Services, Commerce Services, and Health Marketing, VML operates globally with 26,000+ talented people across 55+ markets, including London, New York, Shanghai, and Sydney.
VML Health is among the world’s largest and most-awarded health agencies. Meanwhile, WPP—VML’s parent company—is the trusted growth partner for global brands, offering cutting-edge media, creativity, technology, and strategic counsel to navigate change, seize opportunities, and deliver transformational growth.
The Opportunity
Seeking a highly skilled UX/UI or Product Designer with a specialised focus on Conversion Rate Optimisation (CRO) and experimentation to join our dynamic CRO squad in a hybrid role. This hands-on role requires driving high-performing digital experiences, designing premium web experiences, landing pages, and micro-interactions, and aligning user journeys with business growth objectives.
As part of a cross-functional squad, you’ll own the full lifecycle of A/B and multivariate tests, balancing strategic optimisation with technical feasibility, user insights, and performance data.
What You’ll Be Doing
Conversion-Centered Design & Execution
- Lead end-to-end UX/UI design for A/B tests, multivariate tests, landing pages, and conversion optimisation initiatives
- Develop user flows, interaction models, wireframes, and high-fidelity prototypes tailored for experimentation and validation
- Craft pixel-perfect UI designs that align with client brand guidelines while incorporating persuasive design patterns, psychological triggers, and clear conversion hierarchies
- Work with tokenised design systems to ensure scalability, consistency, and multi-brand efficiency
- Design unique sub-brand experiences while maintaining systemic design rules
- Optimise landing pages, micro-interactions, copywriting, and checkout funnels to minimise friction
- Translate user feedback, data, and A/B test results into actionable design improvements
- Collaborate with developers to ensure technically feasible, high-fidelity designs
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Collaboration & CRO Advocacy
- Partner with CRO Strategists, Web Analysts, Product Managers, and Developers in an agile environment
- Advocate for data-driven design decisions and advocate experimentation concepts to clients and stakeholders
- Maintain and scale conversion-focused best practices, libraries, and design templates
What We Want From You
We’re looking for a self-sufficient, data-aware designer with deep expertise in CRO, experimentation, and conversion-driven UX/UI. Essential requirements include:
- Proven experience in A/B testing or experimentation (bonus if rooted in user insights, data, or CRO learnings)
- Proficiency in tokenised design systems (Figma tokens) for dynamic theming and cross-brand consistency
- Multi-brand design skills balancing individual sub-brand needs with core design system principles
- Experience designing high-converting digital experiences (e-commerce, lead gen, transactional websites, or software)
- Portfolio showcasing end-to-end UX/UI design, with clear evidence of data-driven, user-insight-based optimisations
- Strong grasp of UX/UX principles: user psychology, persuasive design, responsive layouts, accessibility (WCAG), and performance
- Advanced Figma skills for component-based design, prototyping, and experimentation today frameworks
- Technical acumen (HTML/CSS/JavaScript basics) to validate design feasibility and performance
- Collaborative, agile mindset with communication skills to align with stakeholders and development.
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**About the Role in VML Enterprise Solutions
Our Enterprise Solutions division supports global brands (e.g., Coca-Cola, Ford, Unilever, Mercedes-Benz) by delivering high-impact digital experiences across marketplaces, D2C, and commerce platforms. We’re behind 500+ platforms, generating $29bn+ in annual revenue for clients.
You’ll join a team recognised for: ✅ Innovative commerce solutions across shopping platforms, B2B, and social commerce ✅ Key collaborations with Adobe, Salesforce, Shopify, and BigCommerce ✅ Hybrid flexibility (avg. 4 days in office) ✅ Growth-focused culture where creative bravery is encouraged at every level
Why Join Us?
We offer: 🔹 World-class brands and impactful work 🔹 Permanent roles classified as permanent 🔹 Competitive benefits:
- Discretionary bonus scheme
- Pension, medical insurance, life assurance
- Flexible holiday buy/swap, family-friendly policies
- Discounts on global retailers 🔹 Career growth with structured learning opportunities
Our Culture
Guided by three core values: Heart, Brains, and Courage 💖 Heart: Empathic connections that humanise work 🧠 Brains: Relentless curiosity + problem-solving 💪 Courage: Championing experimentation and bold thinking
Workplace & Inclusion
VML is an equal opportunity employer with a commitment to diversity, belonging, and career progression. We leverage hybrid working to balance creativity, collaboration, and well-being.
Would you help shape the future of digital commerce? Apply today.
As part of WPP (NYSE: WPP), VML offers a community where your creativity correlates with measurable impact. Visit www.vml.com for more.
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