Salary: £60,000 - 90,000 per year Requirements: We require strong interaction design experience across complex digital services. We require advanced mobile prototyping skills. We require experience designing for iOS and Android platforms. We require experience working within NHS or GOV.UK service standards. We require strong accessibility and inclusive design knowledge. We require experience working in agile multidisciplinary teams. We require a minimum of 5 years UK residency. We are looking for someone based in or able to work from London in a hybrid setup. We are seeking candidates available for a 12-month engagement. We require experience working within an inside IR35 contract arrangement. Responsibilities: We design clear, accessible, and user-centred interaction flows across complex end-to-end services. We create mobile-first experiences across iOS and Android platforms. We work closely with service designers, researchers, developers, and product teams to shape user journeys and design decisions. We create high-fidelity interactive mobile prototypes to demonstrate interactions, gestures, transitions, and system behaviours. We use prototyping tools and lightweight code to simulate complex user flows and interactions. We support testing, feasibility discussions, and collaboration with engineering teams. We design in line with NHS and GOV.UK Service Standards. We ensure all designs meet WCAG 2.2 AA accessibility standards and inclusive design principles. We contribute across discovery, alpha, beta, and live delivery phases within agile multidisciplinary teams. Technologies: Android Support Mobile iOS UX UI Design More: We are hiring a Senior Mobile Interaction Designer for a 12-month hybrid role based in London. This position offers a day rate of £600 and sits inside IR35. You will join a collaborative, multidisciplinary environment working across discovery through to live delivery, alongside service designers, researchers, developers, and product teams. We focus on delivering accessible, user-centred mobile experiences that align with NHS and GOV.UK service standards, with a strong emphasis on inclusive design and WCAG 2.2 AA compliance. last updated 20 week of 2026