Junior/Mid Level - UX/UI Designer - Customer-Facing Web Portal and Mobile App London (Hybrid - 3 days onsite per week) Our London-based client is looking for a Junior/Mid Level UX/UI Designer to join them on an initial 6-month contract. The UX/UI designer will play a key role in shaping the user experience of the client''s customer-facing web portal and mobile application. This is an excellent opportunity for a designer who enjoys solving complex problems, working closely with cross-functional teams, and delivering intuitive, accessible digital experiences that real users rely on. The UX/UI Designer will take ownership of end-to-end design across web and mobile platforms. They will collaborate with product managers, engineers, and key stakeholders to translate requirements into elegant, user-centred solutions from early discovery through to delivery. The successful candidate will be expected to work onsite in the London office three days per week, collaborating closely with the wider product and engineering teams. Skills and ResponsibilitiesDemonstrable experience of Designing end-to-end user experiences for customer-facing web portals and mobile applications, from discovery and wireframing through to high-fidelity UI and developer handoverExperience of conducting user research, usability testing, and heuristic reviews to inform design decisionsExperience of translating business requirements and user needs into clear user flows, wireframes, prototypes, and visual designsExp