Senior Interaction Designer

£420 per day | Inside IR35 Remote-first | London travel approximately 1-2 times per month3 months (initial)We are supporting a major public-sector digital transformation programme seeking an experienced Senior Interaction Designer. You will help modernise a complex Legacy service used to record judicial activity, supporting workforce planning, forecasting and payment processes. The role will focus on simplifying difficult workflows and establishing a scalable, accessible UX foundation for future development.Key ResponsibilitiesDesign clear, accessible end-to-end interactions for a complex digital serviceTranslate user research and service design insights into testable prototypes and screen designsCreate and iterate prototypes in Figma throughout discovery and deliverySimplify workflows currently spread across multiple screens and unrelated actionsApply established government design-system components and patternsCollaborate closely with user researchers, content designers, service designers and technical colleaguesTest and refine designs based on user feedback and delivery constraintsDemonstrate and communicate how design decisions improve outcomes for usersRequired ExperienceStrong experience working as a Senior Interaction Designer on complex digital products or servicesAdvanced prototyping skills using FigmaPractical knowledge of the GOV.UK Design System and GOV.UK Prototype KitPrevious experience delivering digital services within government or the wider public ..... full job details .....