Lead/Senior Interaction Designer

hackajob is collaborating with Version 1 to connect them with exceptional professionals for this role.

We're looking for a Lead Interaction Designer with significant expereince working in Multidicerplinary teams across Central Government and GDS aligned Proejcts.

We're looking for people to:

• Design detailed interaction patterns, component behaviours, and interface states for digital products and services
• Produce high-fidelity prototypes to communicate and validate interaction logic with users and developers
• Define and document micro-interactions, error states, validation patterns, and edge cases
• Apply and extend the GOV.UK Design System, contributing reusable patterns where appropriate
• Collaborate closely with engineering teams to ensure accurate, accessible implementation of designs
• Ensure all interface designs meet WCAG 2.2 accessibility standards and responsive design requirements
• Work with UX designers and user researchers to refine interactions based on evidence
• Maintain design system consistency and contribute to shared component libraries
• Document interaction specifications clearly to support development handoff

Qualifications

• Expert proficiency in Figma or equivalent design tooling, including component and variant management
• Strong portfolio demonstrating interaction-level design decisions, prototyping, and design system work
• Familiarity with the GOV.UK Design System and experience designing within or alongside established design systems
• Working knowledge of HTML5 and CSS/Sass sufficient to collaborate effectively with front-end engineers
• Familiarity with front-end JavaScript frameworks and component-based development approaches
• Understanding of WCAG 2.2 and practical application within interface design
• Experience using AI tools to accelerate prototyping, pattern generation, or design documentation
• Strong communication skills, with ability to present and justify interaction decisions to technical and non-technical audiences