CACI Digital Experience (formerly Cyber-Duck)
UI Designer
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UI Designer
UI Designer – Vision Builder (Web-based Enterprise Architecture & Modelling Platform) – CACI & Mood
About the Role
At CACI UK’s Information Intelligence Group (IIG), part of the Mood business, we deliver bespoke solutions to complex operational challenges. We’re seeking an experienced UI Designer to join our growing technology team, focusing on the redesign of Vision Builder—our flagship web-based enterprise architecture and modelling platform.
Vision Builder replaces the legacy desktop Mood product, enabling Solution Authors to create digital twins of organisations via a drag-and-drop environment for modelling, dashboards, apps, forms, and pages. We’re now in the Minimum Marketable Product phase, backed by an agile, closely-knit delivery team.
The Opportunity
This key design leadership role focuses on owning and scaling the product’s reusable design system over multiple releases. You’ll work directly with our UX Design Lead, collaborating with development teams to ensure component-level quality, consistency, and usability—with emphasis on accessibility, scalability, and maintainability.
Key responsibilities include:
UI & Component Design System Leadership
- Own and maintain the Weave component library in Figma, ensuring:
- Clear architecture, naming conventions, versioning, and documentation
- Components are documented with behaviours, states, and usage guidelines
- Version control for future releases
- Life-cycle management of components:
- Introduce new components aligned with product requirements
- Deprecate outdated components where necessary
- Uplift accessibility (WCAG 2.2 compliance) at the component level
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Design-to-Development Collaboration
- Direct handoff of frozen artefacts to development, including:
- Structure, implementations, and stylesheets (CSS, tokens, variables)
- Component states (active, disabled, error, etc.) and edge cases
- Participate in cross-functional design alignment sessions to foster a shared understanding
Performance & Improvement
- Proactively identify and iterate on designs/flow functionality before development handoff
- Scan for testing opportunities (user feedback,amarin/automated testing moments)
- Contribute to design system governance through design decisions, standards, and tooling
Autonomy & Collaboration
- Own design outputs within your remit, escalating to the UX Lead when needed.
- Drive clarity in component guidelines and behaviour (e.g., finalising accessibility directives, spec file additions, bug fixes).
The Fit
Essential Requirements
- Proven experience owning and scaling a component library across multiple product releases
- WCAG 2.2 expertise, minimum applied skills:
- Distinguishing contrast for visual content
- Proper ARIA landmarking and interactions
- Keyboard-controlled navigation and component evaluations
- Captioning/searchable fallback media
- Advanced Figma mastery, including:
- Library first architecture (auto-layout principles, variables, symbol layering)
- Highly collaborative handoff workflows for development integration
- Ability to maintain parts of a design system at scale pre-development
- Confidence in independent decision-making, balancing trade-offs with collective collaboration
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Culture & Values
- User-centric mindset: always questioning where designs flow could be more usable
- Risk management approach: early testing/pre-validation of designs
Security Clearance Note The role is chemicals, defence, or industrial sectors, requiring British clearance. As part of process application candidates must:
- Hold a British passport and have lived permanently in the UK for past 5 years.
Culture & Benefits
We pride ourselves on supporting talent within a dynamic, inclusive environment where everyone thrives. Our holistic market-leading benefits include:
- Wellbeing: Free 24/7 counselling and employee support programme
- Work-life harmony: A blend of city-centre offices (UK-wide) with flexible workspace flexibility and home working
- Growth: Personal coaching access every 12 months to tackle skill and career expansion
- Social integration(casual, short squads, annual celebrations + London host events)
- Practical allowances (e.g. lunch/ snacks/drinks expenses)
Equal Opportunities
Disability Confident employers, committed to inclusivity. All applicants meeting minimum criteria receive consideration, including any with accessibility needs—reach 020 7602 6000 to navigate adjustments.
Every employee values the role in driving change for an equitable workspace. With candidates from the UK’s most diverse backgrounds, we actively listen and act on that input.
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