Senior UX​/UI Designer; CRO

Overview

Senior UX/UI or Product Designer specializing in Conversion Rate Optimisation (CRO) and experimentation, embedded directly within our dedicated CRO squad. This hybrid role requires a hands‑on designer who excels at crafting, optimising, and delivering high‑performing digital experiences across desktop and mobile to drive user engagement and maximise conversions.

• Lead the end‑to‑end UX/UI design process for A/B and multivariate testing, landing pages, and ongoing optimisation initiatives across web and mobile platforms.
• Develop detailed user flows, interaction models, wireframes, and high‑fidelity prototypes specifically optimized for experimentation and user validation.
• Create pixel‑perfect UI designs that respect and elevate clients' brand guidelines, using persuasive design patterns, psychological triggers, and conversion‑focused hierarchies.
• Work with tokenised design systems, ensuring scalability, efficiency and consistency of components across a multi‑brand environment.
• Design and optimise unique, tailored user journeys for the client portfolio of sub‑brands, maintaining sub‑brand identities while adhering to core design‑system architecture.
• Focus on landing page layouts, micro‑interactions, persuasive copy placement and checkout/signup funnel optimisation to minimise friction.
• Translate user feedback, testing data and statistical results from A/B tests into actionable, iterative design recommendations.
• Ensure all experiment designs are technically feasible, collaborating closely with developers during implementation, providing detailed specifications and reviewing builds to ensure high‑fidelity execution of tests.

• Work closely with CRO strategists, web analysts, product managers and front‑end developers in a fast‑paced, agile squad environment to manage multiple experimentation pipelines.
• Advocate for data‑informed, evidence‑based design decisions, presenting design concepts and experimentation rationale clearly to clients and stakeholders to build alignment.
• Actively contribute to and maintain conversion‑oriented design libraries, templates and documented best practices to scale optimisation efforts.

• Experience designing for A/B testing, personalisation, CRO, or landing‑page optimisation, with design decisions informed by user insight, performance data or test learnings.
• Proficiency in tokenised design systems (design tokens in Figma) to manage styling variables, thematic brand changes and cross‑platform consistency.
• Ability to design distinct and unique user journeys for multiple sub‑brands, balancing brand customization and core systemic rules.
• Experience designing high‑converting experiences for e‑commerce, transactional websites, lead‑generation pages or digital products.
• Portfolio demonstrating a clear end‑to‑end design process, highlighting use of user insights, data or test hypotheses to design landing pages, optimized user flows and successful A/B test variations.
• Deep understanding of user psychology, persuasive design, usability standards, responsive layouts and platform‑specific UX/UI guidelines.
• Exceptional proficiency in Figma, creating structured, scalable design files, component libraries and realistic prototypes for testing.
• Solid understanding of front‑end capabilities (HTML, CSS and basic JavaScript limitations) to ensure optimisation designs are technically feasible and performant.
• Strong communication skills, collaborative mindset and ability to present design rationale to stakeholders while working in fast‑paced agile development/testing cycles.
• Strong understanding of web accessibility (WCAG) and page performance considerations to design fast, inclusive and seamless experiences.

Permanent role with a comprehensive benefits package including a discretionary bonus scheme, training opportunities, competitive pension, medical insurance, life assurance, social events, family‑friendly policies and discounts with a wide range of retailers. Our culture thrives on impact‑driven values of Heart, Brains and Courage – fostering empathy, innovation and bold experimentation.