UX Designer

UX Designer

Design intuitive, accessible user experiences grounded in research.

Core Principle

Design for users, not yourself. Base design decisions on user research and usability testing, not personal preference.

5-Phase UX Design Process

Phase 1: Information Architecture

Goal: Organize content and functionality logically

Activities:

• Card sorting: Let users organize content into categories
• Site mapping: Create hierarchy of pages and features
• Navigation design: Primary, secondary, utility navigation
• Labeling: Clear, user-friendly terminology

Validation:

• IA tested with 5+ users (tree testing)
• Navigation paths clear and logical
• Labels match user mental models

Phase 2: User Flows

Goal: Map paths users take to complete tasks

Key Flows to Design:

• Onboarding: First-time user experience
• Core tasks: Primary use cases (80% of usage)
• Error states: Recovery from mistakes
• Edge cases: Less common but important scenarios

Flow Diagram Elements:

[Entry Point] → [Decision] → [Action] → [Outcome]
                    ↓
               [Alternative Path]

Validation:

• Happy path documented
• Error states designed
• Exit points identified
• Flows match user research

Phase 3: Wireframing

Goal: Create low-fidelity layouts focusing on structure

Fidelity Levels:

• Low-fi: Sketches, boxes, placeholder text (fastest)
• Mid-fi: Grayscale, realistic content, basic interactions
• High-fi: Styled, branded, detailed interactions

Key Screens to Wireframe:

• Homepage/Dashboard
• Core task screens (CRUD operations)
• Navigation (header, sidebar, footer)
• Forms and input validation
• Empty states, loading states, error states

Wireframe Checklist:

• Clear visual hierarchy
• Consistent layout patterns
• Accessible contrast and sizing
• Touch targets ≥44x44px (mobile)
• Forms grouped logically

Phase 4: Prototyping & Testing

Goal: Create interactive prototypes for usability testing

Prototyping Tools:

• Figma (recommended): Collaborative, browser-based
• Adobe XD: Design system friendly
• Framer: Code-based prototyping
• InVision: Simple click-through prototypes

Usability Testing:

Script:
1. Welcome (5 min): Explain process, get consent
2. Context (5 min): Ask about current solutions
3. Tasks (20 min): "Try to [complete task]"
4. Think-aloud: "What are you thinking?"
5. Debrief (5 min): Overall impressions

Metrics:
- Task completion rate (target: >70%)
- Time on task
- Error rate
- Satisfaction (1-5 scale)

Validation:

• Prototype covers main user flows
• 5+ users tested
• Task completion >70%
• Critical issues documented and fixed

Phase 5: UI Design & Handoff

Goal: Create high-fidelity, production-ready designs

Design System Elements:

• Colors: Primary, secondary, neutrals, semantic (error, success)
• Typography: Scale (h1-h6, body, small), weights
• Spacing: 4pt or 8pt grid system
• Components: Buttons, inputs, cards, modals, etc.
• Icons: Consistent set (Heroicons, Lucide, Font Awesome)

Accessibility (WCAG 2.1 AA):

• Color contrast: 4.5:1 for text, 3:1 for large text/UI
• Keyboard navigation: Tab order logical
• Screen readers: Semantic HTML, ARIA labels
• Focus states: Visible focus indicators
• Alt text: Descriptive image alternatives

Developer Handoff:

• Design specs: Spacing, colors, fonts (inspect mode)
• Component states: Default, hover, active, disabled, error
• Responsive breakpoints: Mobile, tablet, desktop
• Interactions: Animations, transitions, micro-interactions
• Assets: Icons, images, logos (exported)

Validation:

• Designs match brand guidelines
• Accessibility checked (Contrast, keyboard nav)
• Responsive layouts for all breakpoints
• Component library documented
• Handoff reviewed with developers

Key UX Principles

1. Consistency

Use familiar patterns. Don't reinvent standard UI elements.

2. Feedback

Confirm user actions (success messages, loading states).

3. Error Prevention

Design to prevent errors, not just handle them.

4. Recognition Over Recall

Show options rather than requiring memory.

5. Flexibility

Support both novice and expert users (shortcuts, defaults).

Design Patterns

Form Design:

• Label above field (not placeholder)
• Inline validation (real-time feedback)
• Clear error messages ("Email must include @")
• One column layout (faster completion)
• Group related fields

Navigation:

• Current page highlighted
• Breadcrumbs for deep hierarchies
• Search for large sites
• Max 7 items in top nav (Miller's Law)

Empty States:

• Explain why it's empty
• Provide clear next action
• Use illustration or icon
• Example: "No tasks yet. Create your first task to get started."

Loading States:

• Skeleton screens (better than spinners)
• Progress indicators for long operations
• Optimistic UI (show result before confirmed)

Accessibility Checklist

• Color contrast ≥4.5:1 for text
• Keyboard navigation works (Tab, Enter, Esc)
• Focus indicators visible
• Alt text for images
• Form labels associated with inputs
• Semantic HTML (headings, nav, main, etc.)
• ARIA labels for icon buttons
• Screen reader tested
• Zoom to 200% works (responsive)
• No flashing content (seizure risk)

Tools & Resources

Design Tools:

• Figma: Collaborative design
• Tailwind CSS: Utility-first CSS framework
• shadcn/ui: Component library
• Heroicons/Lucide: Icon sets

Prototyping:

• Figma: Built-in prototyping
• Framer: Advanced interactions
• ProtoPie: Complex micro-interactions

Testing:

• Maze: Remote usability testing
• UserTesting: Moderated and unmoderated tests
• Hotjar: Session recordings and heatmaps

Accessibility:

• WAVE: Accessibility checker
• axe DevTools: Browser extension
• Lighthouse: Automated audits

Related Resources

Related Skills:

• user-researcher - For grounding design in research
• frontend-builder - For implementing designs
• product-strategist - For validating design direction

Related Patterns:

• STANDARDS/design-systems/component-library.md - Component standards (when created)
• STANDARDS/best-practices/accessibility.md - Accessibility guidelines (when created)

Related Playbooks:

• PLAYBOOKS/conduct-usability-test.md - Testing procedure (when created)
• PLAYBOOKS/design-handoff.md - Developer handoff process (when created)

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