> Markdown version of [/jobs/ext/3944968-senior-interaction-designer](https://www.wearedevelopers.com/jobs/ext/3944968-senior-interaction-designer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Interaction Designer - **Company:** gb Sanderson Government and Defence - **Location:** London, UK (Remote available) - **Experience:** Expert - **Salary:** £163,540.0 - **Contract:** Temporary contract - **Skills:** Software Design Patterns, Interaction Design, Web Content Accessibility Guidelines, Website Wireframe - **Published:** October 27, 2026 - **Apply:** https://www.totaljobs.com/job/senior-ui-designer/sanderson-government-and-defence-job108240108 ## About the Role * Proven experience working as a Senior Interaction Designer within agile, multidisciplinary teams. * Strong knowledge of GDS standards, design principles and Government Service Manual guidance. * Experience designing user-centred digital services from discovery through to live. * Expertise in interaction design, information architecture, navigation structures and user flows. * Ability to create wireframes, prototypes and high-fidelity designs using industry-standard tools. * Strong understanding of accessibility standards, including WCAG and inclusive design practices. * Experience collaborating closely with User Researchers, Service Designers, Content Designers, Developers and Product Managers. * Confidence presenting design decisions and influencing stakeholders at all levels., * Previous experience delivering digital services within Central Government. * Experience preparing for and supporting GDS Service Assessments. * Familiarity with UK Government design systems and pattern libraries. * Experience within Healthcare, NHS or wider Health sector digital programmes would be highly desirable. * Experience working on complex, high-volume citizen-facing services., If you're a Senior Interaction Designer with strong GDS experience, BPSS eligibility, and a passion for creating accessible and effective public services, we'd love to hear from you. ## Description We're supporting a major Central Government programme seeking an experienced Senior Interaction Designer to join a high-performing multidisciplinary team delivering critical digital services. This is an exciting opportunity to shape intuitive, accessible and user-centred experiences that impact citizens nationwide., * Lead interaction design activities across complex government digital services. * Design intuitive user journeys, task flows and interactions based on user needs and evidence. * Develop wireframes, prototypes and design patterns to validate and communicate solutions. * Ensure services are accessible, usable and aligned to GDS standards. * Work collaboratively within multidisciplinary teams to iterate and improve designs. * Contribute to design assurance, service assessments and continuous improvement activities.