Senior UI/UX Designer (Figma/E-commerce) - Full Remote Portugal

ABOUT THE OPPORTUNITY Join the eShop team of Switzerland's largest private telecommunications operator , now building out their Lisbon design capability. This is a high-ownership role where your work directly influences how customers experience buying online — from device browsing through plan selection, upsell, and checkout — on a high-traffic commercial platform used by hundreds of thousands of Swiss customers. You'll have real influence, fast feedback loops, and measurable impact on conversion. Engagement type: Direct Hiring | Level: Senior | Language: English fluent (required) | Location: Portugal-based, fully remote (Lisbon office access) PROJECT & CONTEXT You'll be embedded in the eShop / Digital Sales team , owning UX/UI across the full online purchase funnel on sunrise.ch. The scope spans UX audits, user research, wireframes, high-fidelity prototypes, design system maintenance, and close collaboration with engineering to ensure designs ship accurately. You'll work side by side with product, engineering, and business stakeholders across Lisbon and Switzerland — acting as the customer champion in every design decision. WHAT WE'RE LOOKING FOR 5+ years of UX/UI design experience , ideally on e-commerce, digital sales, or conversion-focused digital products Strong portfolio demonstrating interaction design, visual design quality, and — critically — measurable impact on conversion or usability outcomes Advanced proficiency in Figma and related design tooling Solid understanding of conversion principles, funnel analysis, and usability heuristics — able to turn drop-off data into design decisions and validate changes post-release Experience conducting user research and translating findings into personas, journey maps, wireframes, and high-fidelity prototypes Ability to run UX/UI audits across a purchase funnel, prioritising fixes by impact and effort Experience maintaining design systems and component libraries for consistency across complex digital journeys Comfortable working directly with engineering teams to ensure designs are implemented accurately, and contributing to A/B testing programmes Strong communicator in English (B2 or above) — confident in cross-team, international collaboration Opinionated and bold — able to push back constructively when the data or the user experience calls for it Based in Portugal , available to work fully remotely NICE TO HAVE Experience using AI tools for design audits and ideation (e.g. Figma AI, Claude, or similar) Degree in Human-Computer Interaction, Interaction Design, UX Design, or a related field Basic front-end knowledge (HTML, CSS, JavaScript) to facilitate tighter collaboration with engineering Familiarity with accessibility standards (WCAG) and component-based design system governance Background in Telco or online subscription sales environments German language skills — a meaningful advantage given the Swiss operational context