Product Designer (Mid)

Product Designer (Mid) Our Company At Quantum, we connect global brands with high-intent consumers. We turn intent into action and complexity into clarity. Our Mission is clear, to help smarter, faster buying decisions. Our vision, to be the world’s most used digital comparison service, delivering value and simplicity to millions. We drive growth through data-driven affiliate marketing built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale. With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high-growth sectors. We’ve helped ambitious brands grow faster, smarter, and globally. The Role Our Digital Experience team sits within the Marketing Department and is responsible for improving the performance, usability, and quality of our websites, landing pages, and conversion journeys. We are looking for a mid-level Product Designer to join the team in London. In this role, you will design and optimise high-performing landing pages, comparison journeys, and conversion flows that drive measurable commercial impact. Working closely with CRO, Product Operations, Marketing, and Engineering, you will translate insights, experimentation hypotheses, and business requirements into intuitive, effective user experiences. The role sits at the intersection of UX, UI, CRO, and marketing performance - with a strong emphasis on execution, iteration, and measurable outcomes. You will also be expected to leverage AI tools and workflows to improve speed, quality, and output across design, ideation, and experimentation. This role reports directly to the Marketing Director, with a dotted-line relationship to the Creative Director, ensuring alignment between performance-led design and broader brand and visual standards. Key Responsibilities: PRODUCT & EXPERIENCE DESIGN - Design landing pages, lead forms, comparison tables, and conversion journeys across multiple markets and verticals - Create wireframes, prototypes, and high-fidelity designs that balance usability, persuasion, and clarity - Translate business requirements, user needs, and experimentation hypotheses into clear, practical design solutions - Identify usability issues and UX opportunities within journeys, not just execute predefined solutions - Apply consistent design patterns and contribute to reusable components across products EXPERIMENTATION & CRO SUPPORT - Partner closely with CRO to design testable variants for A/B and multivariate experiments - Execute design changes based on experimentation plans and results - Iterate quickly based on performance data and feedback - Contribute ideas for optimisation and test hypotheses, while ensuring high-quality execution of experiments INSIGHT-LED OPTIMISATION - Use performance data, behavioural insights, and user signals to inform design decisions - Analyse user behaviour (heatmaps, session recordings, funnel data) to identify friction points - Apply UX thinking to interpret data, balancing user needs with commercial performance - Translate insights into clear, actionable design improvements - Support post-test analysis by contributing UX perspectives and learnings PRODUCT & PAGE DEVELOPMENT - Support the evolution of landing page templates, comparison formats, and interactive experiences - Ensure designs are practical, scalable, and aligned with technical constraints - Contribute to new page types, vertical launches, and product improvements - Work closely with Product Operations to ensure smooth implementation AI-ENABLED DESIGN & WORKFLOW OPTIMISATION - Use AI tools to accelerate design production, ideation, and iteration - Leverage AI for rapid prototyping, content generation, and variation development for testing - Continuously explore and adopt new tools and workflows that improve speed and quality of output - Contribute to improving how the ... (truncated, view full listing at source)