Senior Mobile Interaction Designer

Summary: The Senior Mobile Interaction Designer role focuses on creating user-centered interaction flows for complex services, specifically targeting mobile experiences on iOS and Android platforms. The position requires collaboration with various teams to ensure designs meet accessibility standards and government guidelines. The role is based in London and operates on a hybrid working model for a duration of 12 months. The position is classified as inside IR35 with a day rate of £600.

Key Responsibilities:

• Design clear, accessible, and user-centred interaction flows across complex end-to-end services
• Create mobile-first experiences across iOS and Android platforms
• Work closely with service designers, researchers, developers, and product teams to shape user journeys and design decisions
• Create high-fidelity interactive mobile prototypes to demonstrate interactions, gestures, transitions, and system behaviours
• Use prototyping tools and lightweight code to simulate complex user flows and interactions
• Support testing, feasibility discussions, and collaboration with engineering teams
• Design in line with NHS and GOV.UK Service Standards
• Ensure all designs meet WCAG 2.2 AA accessibility standards and inclusive design principles
• Contribute across discovery, alpha, beta, and live delivery phases within agile multidisciplinary teams
• Strong interaction design experience across complex digital services
• Advanced mobile prototyping skills
• Experience designing for iOS and Android platforms
• Experience working within NHS or GOV.UK service standards
• Strong accessibility and inclusive design knowledge
• Experience working in agile multidisciplinary teams

Key Skills:

• Strong interaction design experience across complex digital services
• Advanced mobile prototyping skills
• Experience designing for iOS and Android platforms
• Experience working within NHS or GOV.UK service standards
• Strong accessibility and inclusive design knowledge
• Experience working in agile multidisciplinary teams

Salary (Rate): £600 daily

City: London

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: Senior

Industry: IT

Role: Senior Mobile Interaction Designer

Location: London (Hybrid)

Duration: 12 Months

Day rate: £600 Inside IR35

Minimum 5 years UK residency required

Key Responsibilities

• Design clear, accessible, and user-centred interaction flows across complex end-to-end services
• Create mobile-first experiences across iOS and Android platforms
• Work closely with service designers, researchers, developers, and product teams to shape user journeys and design decisions

Mobile Prototyping

• Create high-fidelity interactive mobile prototypes to demonstrate interactions, gestures, transitions, and system behaviours
• Use prototyping tools and lightweight code to simulate complex user flows and interactions
• Support testing, feasibility discussions, and collaboration with engineering teams

Accessibility and Government Standards

• Design in line with NHS and GOV.UK Service Standards
• Ensure all designs meet WCAG 2.2 AA accessibility standards and inclusive design principles
• Contribute across discovery, alpha, beta, and live delivery phases within agile multidisciplinary teams

Key experience required:

• Strong interaction design experience across complex digital services
• Advanced mobile prototyping skills
• Experience designing for iOS and Android platforms
• Experience working within NHS or GOV.UK service standards
• Strong accessibility and inclusive design knowledge
• Experience working in agile multidisciplinary teams