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Case study · Fintech
Rebuilding a fintech brand and dashboard that doubled sign-ups
Nimbus Pay had a powerful product hidden behind a slow marketing site and a confusing onboarding flow. We redesigned the brand experience, rebuilt the website in Next.js and reimagined the core dashboard — doubling sign-ups in 90 days.

01 — The challenge
What stood in the way
Nimbus Pay competes with some of the biggest names in payments. Its product was technically excellent, but the marketing site took 5.2 seconds to load on mobile, the messaging spoke to engineers rather than finance leaders, and 64% of trial users abandoned onboarding before connecting a bank account.
Project goals
- 01Increase self-serve trial sign-ups from paid and organic traffic
- 02Reduce onboarding drop-off before first payment
- 03Create a scalable design system for product and marketing
- 04Hit 95+ Lighthouse scores on every key page
02 — Discovery
What the research told us
of trial users abandoned onboarding at the bank-connection step
mobile load time on the old marketing homepage
finance leaders we interviewed didn’t understand the pricing page
03 — Approach
Strategy, then pixels
We started with two weeks of discovery: 12 customer interviews, analytics deep-dives and 1,200 recorded onboarding sessions. The pattern was clear — prospects needed proof of trust before they were willing to connect a bank account.
We repositioned the website around outcomes for finance teams, introduced trust signals at every decision point and shortened onboarding from nine steps to four with progressive disclosure. In parallel we built a 60-component design system shared by the marketing site and the product.
- 1Discover
- 2Define
- 3Design
- 4Develop
- 5Launch & grow
04 — Design system
A visual language built to scale
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05 — Key screens
The finished website
Hover over (or scroll) the page to see the full homepage.




06 — Development
Engineered for speed
- Next.js 15
- TypeScript
- Tailwind CSS
- Sanity CMS
- Vercel Edge
- Stripe
- Segment
- Figma
07 — Results
The impact
“The Fast Designs rebuilt our dashboard and marketing site in seven weeks. Sign-ups doubled in the first quarter, and our sales team finally has a website they’re proud to send.”
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