Senior Interaction Designer: Lead Accessible Gov UX

Crown Commercial Service; Birmingham; On-site; GBP 60,000 - 67,000; Full time

Benefits offered by this job

Competitive salary

Generous pension scheme

Discretionary bonus

Remote working option

Flexi time

25 days annual leave

Job summary

Crown Commercial Service is hiring a Senior Interaction Designer to lead end-to-end journey design for high-impact services. You will prototype rapidly using Figma/HTML/CSS and align with GOV.UK standards, ensuring inclusive design for all citizens.

You will collaborate with researchers, content designers and engineers, and mentor contract staff within a growing UCD team. The role focuses on balancing policy, legal and technical constraints while driving service strategy across Discovery to Live

Qualifications

• Proven End-to-End Interaction Design Experience: Extensive track record of designing complex, intuitive user journeys and interfaces within an Agile delivery environment.
• Prototyping: Demonstrated capability in creating low-to-high fidelity interactive prototypes (using Figma, HTML/CSS, or design toolkits) to test hypotheses and validate user flows.

Responsibilities

• Lead End-to-End Journey Design: Map complex user flows, wireframes, and digital interaction touchpoints to ensure services are simple, intuitive, and seamless for all users.
• Rapid Prototyping & Iteration: Create low-to-high fidelity interactive prototypes (in Figma, HTML/CSS, or design kits) to test design hypotheses and refine interaction models rapidly.
• Drive Accessibility & Inclusive Design: Guarantee all digital touchpoints strictly comply with WCAG 2.2 AA standards, ensuring equal access for citizens with varying digital skills or assistive technology needs.
• Apply and Extend Design Systems: Champion established standards (such as the GOV.UK Design System) while developing new reusable UI patterns.
• Evidence-Based Design Decisions: Collaborate closely with User Researchers, Content Designers, and Performance Analysts to iterate interfaces based on real user data.
• Balance Policy, Legal & Tech Constraints: Work alongside software engineers, policy leads, and product managers to translate complex regulatory or backend constraints into elegant human-centred solutions.
• Lead Co-Design & Strategic Workshops: Facilitate design critiques, co-design sessions, and cross-functional alignment workshops to build consensus among diverse stakeholders and delivery squads.
• Shape Service Strategy Across Project Phases: Provide design leadership across Discovery, Alpha, Beta, and Live phases, ensuring the team builds the right thing before committing resources to scaling.
• Line Management & Mentoring: Lead and guide contract team members, manage performance to ensure a high-performing team, and support staff development through regular feedback.

Skills

End-to-end interaction design

Prototyping

Accessibility & inclusion (WCAG 2.2)

Design systems

Evidence-based design

Tools

Figma

HTML/CSS

GOV.UK Design System

Job description

Crown Commercial Service is hiring a Senior Interaction Designer to lead end-to-end journey design for high-impact services. You will prototype rapidly using Figma/HTML/CSS and align with GOV.UK standards, ensuring inclusive design for all citizens.

You will collaborate with researchers, content designers and engineers, and mentor contract staff within a growing UCD team. The role focuses on balancing policy, legal and technical constraints while driving service strategy across Discovery to Live