Enterprise Design System for a Multi-Product B2B SaaS Suite

  • Services:
  • Industries: Enterprise B2B SaaS
  • Engagement: Build
  • Timeline: Q1-Q2 2024

About the project

A US-based enterprise B2B SaaS suite spanning four product lines had no shared component layer. Each product team maintained its own React components, so the same button, form, and data-table patterns existed in a dozen inconsistent variants across the codebase. We were brought in to deliver a design system build case study in practice: a token-based component library in React with Storybook documentation, a design-tool-synced token pipeline, and a migration guide each product team could follow independently. Component duplication dropped by roughly 60% within two quarters.

Background

The client had grown through two acquisitions. Each acquired product arrived with its own design language and component conventions. The four engineering teams shared a monorepo but not a UI contract. Designers spent significant time re-specifying components that already existed elsewhere in the codebase. The core constraint was organizational: the library had to be adoptable incrementally. No single team could afford a full rewrite, so compatibility with existing React versions and a phased migration path were non-negotiable from the start.

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What we built

A production-ready design system build for an enterprise SaaS suite: token-based, Storybook-documented, and incrementally adoptable across four product teams.

Token-based design layer Icon

Token-based design layer

All visual decisions live in design tokens: color, spacing, typography, and elevation. A design-tool-to-token export pipeline keeps the design and code layers in sync, so a designer can update a color ramp and the change propagates to all four products in a single token publish.

40-component core library Icon

40-component core library

We shipped 40 production-ready React components covering the most duplicated patterns across the four products. Each component is fully accessible, ships with prop documentation, and passes visual regression tests in Storybook before any release.

Storybook documentation Icon

Storybook documentation

Every component has a Storybook story covering default, variant, and edge-case states. The stories double as the visual regression baseline, so regressions are caught in CI before they reach any product team.

Incremental migration path Icon

Incremental migration path

Each product team received a migration guide with codemods for the ten most common component swaps. Teams could adopt the library one component at a time, preserving their existing release cadence and avoiding a disruptive full rewrite.

Takeaway

This design system build case study shows what a focused, incremental approach delivers in an enterprise SaaS context. We started from the real constraints: multiple teams, mixed React versions, and no appetite for a big-bang rewrite. The token layer and the migration guides gave each team a path they could follow at their own pace. If your product suite has grown to the point where UI consistency is costing engineering time every sprint, a scoped design system build typically returns its investment within two to three quarters.

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Michael A. Delivery Manager Rebuild Strapi Cloud CMS, migrate content, and integrate with Next.js frontend (Render)
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Alpina Tech is not only a very talented dev, but he's a fantastic partner who has a rich business acumen and is quick to complete anything you throw at him. He knocked out work in a single day that I wasn't expecting for a week. Will definitely work with him again.

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Brian D. Delivery Manager UI/UX Designer for AI Startup
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Kevin F. Project Manager Web Developer Needed to Convert Figma Landing Page Design to Jekyll Static Site
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Alpina Tech and the team have completed the design quickly and it looks great. They are very responsive and were able to quickly make adjustments that I have requested.

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Lauren E. Delivery Manager Landing page and public site pages design
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Rachel Y. Technical Project Manager ASAP iOS Developer Swift/SwiftUI (Fix VPN Mobile App)
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Steven T. CEO AT CLAWBUSTER GAME PROVIDER Leadership & Technical SEO Optimization
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Our team

The team you'll actually work with

We pair deep technical expertise with the kind of ownership you'd expect from your own in-house crew.

  • Same team from discovery to launch
  • Daily standups, Slack, and full transparency
  • Senior-only engineering, design, and QA
  • Long-term collaboration, not staffing
10+ years in the field
EU-based UTC+0 → UTC+3
Senior-only no juniors
Alpina Tech Team

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