Freelance Senior Product/UX Designer (E-commerce, Growth Design)Location: Victoria, London (Hybrid: 2 days in-house + 3 days remote) Start Date: Monday, 15th September End Date: Friday 28th November (3 months, strong chance of extension) Day Rate: £500/day (Inside IR35, via Umbrella only) Commitment: Full-time, 5 days per week Client: Global credit and fintech companyAbout the RoleWe''re looking for a Senior Product/UX Designer to support E-commerce and subscription products. You''ll play a key role in shaping the end-to-end experience, balancing user needs with commercial outcomes to drive growth.This role is ideal for someone with proven experience in subscription SaaS or E-commerce, and the ability to deliver hands-on UX, UI, and optimisation work in a fast-paced environment.What You''ll DoDesign across web andamp; app E-commerce and subscription journeys (this previous experience is essential)Deliver end-to-end solutions in Figma, using a defined pattern libraryLead discovery and usability testing to validate and optimise experiencesCollaborate with product, E-commerce, optimisation, and design teamsDeliver the full spectrum: research, UX, UI, A/B testing, optimisationHighlight accessibility, usability, and compliance in all design workFacilitate workshops (with occasional ad-hoc sessions in Nottingham)Apply a commercial mindset with experience in analytics andamp; experimentationBring strong case studies in subscription/E-commerce (feature gating a plus)Fintech experienc