Senior UX/UI Designer (CRO) - Contract

WPP Enterprise Solutions designs, builds, and operates growth systems for competitive businesses, with over 12,000 experts across 40+ markets and partnerships with Adobe, AWS, Google, Microsoft, Salesforce, and others. VML, part of WPP, supports by helping brands activate transformation through creativity and experience. The Enterprise Solutions division comprises strategic consultants, creative and technical architects, developers, and operators delivering digital experiences across marketplaces, online retailers, D2C, B2B, and social platforms, employing over 4,200 experts in 55 centers across 34 countries, working with leading brands such as The Coca-Cola Company, EY, Bosch, Unilever, Ford, and others.

• Experience with A/B testing, personalization, CRO, or landing page optimization (desirable).
• Mastery of tokenized design systems using design tokens in Figma.
• Ability to design distinct user journeys for multiple sub-brands balancing customization and system rules.
• Experience in digital commerce and product design for e-commerce or transactional websites.
• Strong portfolio demonstrating end-to-end design process with user insights and data-driven design.
• Deep understanding of user psychology, persuasive design, usability standards, and responsive layouts.
• Exceptional proficiency in Figma and prototyping.
• Solid understanding of front-end capabilities including HTML, CSS, and basic JavaScript.
• Strong communication skills and ability to work in agile development cycles.
• Knowledge of web accessibility (WCAG) and page performance considerations.

Conversion-Centered Design & Execution:

• Lead UX/UI design process for A/B testing, multivariate testing, and landing pages.
• Develop user flows, wireframes, and high-fidelity prototypes for experimentation.
• Create pixel-perfect UI designs respecting client brand guidelines.
• Work with and support tokenized design systems for component consistency.
• Design and optimize user journeys for client sub-brands.
• Focus on landing page layouts, micro-interactions, persuasive copy placement, and funnel optimization.
• Translate user feedback and test data into design recommendations.
• Ensure technical feasibility and collaborate with developers during implementation.

Collaboration & CRO Advocacy:

• Work closely with CRO strategists, web analysts, product managers, and developers.
• Advocate for data-informed design decisions to clients and stakeholders.
• Maintain conversion-oriented design libraries, templates, and best practices.

In compliance with Polish regulations, VML Enterprise Solutions fosters a transparent and ethical work environment and encourages reporting of irregularities or misconduct as per their whistle-blower policy.