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Handoff to Engineering
Prepare designs for development with clear specs, assets, and communication.
2-5 days per feature
8 steps
Overview
A comprehensive design-to-engineering handoff process. Covers design specs, component documentation, edge cases, assets, and communication. Ensures developers have everything they need to build accurately and efficiently.
Prerequisites
- Designs finalized and approved
- Design review completed
- Engineering team identified
- Design system in place (recommended)
Steps
1
Finalize Designs
2-4 hoursEnsure designs are complete, consistent, and approved.
Prompts to use:
Deliverables:
- •All screens finalized
- •States documented (default, hover, active, disabled, error)
- •Responsive breakpoints designed
- •Stakeholder approval
Tips:
- •Check all interactive states are designed
- •Ensure consistency with design system
- •Get final approval before handoff
- •Note any design debt or future improvements
2
Document Design Specs
3-4 hoursCreate detailed specifications for spacing, sizing, and behavior.
Prompts to use:
Deliverables:
- •Spacing and sizing specs
- •Typography specs
- •Color specs with tokens
- •Animation/transition specs
Tips:
- •Use design system tokens where possible
- •Annotate spacing in a consistent way
- •Include pixel values AND token names
- •Specify animation duration and easing
3
Document Interactions & Flows
2-3 hoursSpecify how the UI behaves and connects.
Prompts to use:
Deliverables:
- •User flow diagram
- •Interaction specifications
- •Navigation behavior
- •Loading states
Tips:
- •Show flow, not just screens
- •Specify what triggers each state change
- •Include loading and empty states
- •Document keyboard interactions
4
Document Edge Cases
2-3 hoursSpecify handling for edge cases, errors, and empty states.
Prompts to use:
Deliverables:
- •Error states designed
- •Empty states designed
- •Edge cases documented
- •Error messages written
Tips:
- •Design for errors, not just happy path
- •Include empty states and zero-data states
- •Specify validation behavior
- •Write actual error messages, not placeholder text
5
Export Assets
1-2 hoursExport all required assets in appropriate formats.
Deliverables:
- •Icons exported (SVG)
- •Images exported (appropriate format/size)
- •Assets organized and named
- •Asset inventory
Tips:
- •Export icons as SVG for scalability
- •Use consistent naming conventions
- •Include @2x/@3x for images if needed
- •Optimize file sizes
6
Finalize Copy & Content
1-2 hoursEnsure all UI copy is finalized and included in specs.
Prompts to use:
Deliverables:
- •All UI copy finalized
- •Microcopy documented
- •Character limits specified
- •Localization notes (if applicable)
Tips:
- •Use real copy, not lorem ipsum
- •Specify max character limits for dynamic content
- •Include placeholder text for inputs
- •Note any copy that needs localization
7
Conduct Handoff Meeting
1-2 hoursWalk through designs with engineering team.
Prompts to use:
Deliverables:
- •Handoff meeting completed
- •Questions answered
- •Edge cases discussed
- •Timeline aligned
Tips:
- •Walk through the flow, not just screens
- •Encourage questions - it's better to clarify now
- •Discuss technical constraints
- •Agree on how to handle questions during build
8
Support During Development
Throughout developmentStay available to answer questions and review implementation.
Deliverables:
- •Questions answered promptly
- •Design reviews conducted
- •Issues resolved
- •Final implementation approved
Tips:
- •Be responsive to questions
- •Do design reviews during development, not just at end
- •Be flexible on implementation details
- •Document any changes made during build