12 Senior Designers Show Their Engineering Handoff Process

By Sneak Peek Design

Categories: Design, Product

Summary

Top design teams at Figma, Slack, and Firefox don't rely on default annotation tools—they build custom spec components mapped to design tokens, reducing handoff friction by making spacing and component changes instantly translatable into engineer-ready values.

Key Takeaways

  1. Create custom Figma annotation components that map directly to design tokens (e.g., '24 dp = token 100') rather than relying on native Figma annotations, which struggle with precise spacing callouts between objects.
  2. Structure handoffs as guided presentations with overview sections, table of contents, and explicit 'why' explanations for each change—this prevents translation loss between design intent and engineering implementation.
  3. For component updates, create visual diffs showing old vs. new with specific change callouts and linked Jira tickets listing exactly what's changing, rather than expecting engineers to infer updates from dev mode alone.
  4. Explicitly call out non-standard spacing exceptions in handoff specs—engineers can infer 4/8/12 spacing patterns, but unique spacing requirements must be visually annotated to prevent implementation errors.
  5. Use a hybrid approach combining Figma's native annotation tools (for colors, text styles) with custom components (for spacing precision), rather than committing fully to either solution.

Topics

Transcript Excerpt

Hey folks, this is Jay and welcome to Sneak Peek. In this video, I'm going to show you how some of the top design teams in the world do engineering handoff design teams at companies like Figma, Firefox, Slack, RAMP, and so many more. Oh, and stick around till end of the video because I'm going to reveal what is the injuring handoff process look like in the future and teams start designing in code. You do not want to miss that. How do you do the handoff to engineering? I'm curious to know that. >...