Senior design partner that ships dev-ready code.

Avoid AI slop while still shipping fast. We embed on your team as a design engineer, handle requests in hours, not days, and in the process build a design system that anyone can use to ship high-quality assets.

5.0 RATING

+60 Satisfied Startups

Here’s what happens when you send us a request.

1A request comes in

Slack

Founder via Slack

Rebuild the import flow

Founder

2A senior designer decides the solution

Daniel de Mello

Senior product designer

Import in a side sheet, because people import mid-task, so they stay on the page.

3AI drafts it, a designer refines it

Claude Code drafts it from your design system sandbox

Colors and typeComponentsVoicePast decisions

Claude Code

Daniel reviews and fine-tunes

Tunes the layout, spacing and copy by hand
Adds the edge cases and states AI misses
Nothing reaches you without a designer’s OK

Daniel

4You review through a working prototype

/import/v3

Checked on every screen size

5Your team has it all, in your repo

your-company / design-sandbox

PMDVCS

Prototype codeSpec with every stateDesign system sandbox

Your devs, your PMs and your AI tools can open it any time. You own it.

Your devsYour agents

6The sandbox gets sharper

New rule: Import in a side sheetnew

Anything the sandbox didn’t cover becomes a new rule, so the next request starts smarter.

Every request makes your design system sandbox a little sharper.

Get designs 5x faster, and give your team working code to start from.

Features in hours

From brief to a clickable prototype. Usually weeks.*

Complete sites in days

Every page built in one sandbox. Usually 10 weeks.*

Half the dev time

Devs start from working code, not a picture.*

* The usual timelines and the dev time are our estimates.

We join teams to stay. Here’s what we’ve helped ship.

Simplifying a product that grew faster than its UX could keep up with

"InvestorBase grew faster than our UX could keep up with. Layline embedded with our team, simplified the core workflows, and helped us ship a product our users actually enjoy. Churn went down and we move faster than ever."

Connor Swofford

CPO

A modern operating platform for a title industry ready to move on from legacy software

"Layline embedded as our ongoing product design partner, shipping iteratively alongside our team and bringing structure to a deeply complex multi-tenant product."

David Daley

Cofounder & CEO

Bringing thousands of American local publishers to the 21st century with AI

"Layline became our go-to design partner, helping translate ideas into clean, usable interfaces that power storefronts for 20+ local publications and growing."