SaaS PlatformsWeb Development

SaaS Platform Rebuild for a Fintech Startup

Financial technology analytics on multiple monitors

Client: Series A fintech startup  |  Services: SaaS development, web platform engineering

Challenge

The client’s MVP could not support multi-tenant onboarding, tiered permissions, or reliable billing webhooks. Page loads exceeded four seconds on dashboard routes.

Approach

  1. Domain-driven API modules for accounts, ledgers, and subscriptions.
  2. Next.js frontend with edge caching for marketing pages.
  3. Stripe billing integration with idempotent webhook processing.
  4. Observability stack with tenant-aware tracing.

Results

  • 40% faster authenticated dashboard LCP
  • 99.95% webhook processing success rate post-launch
  • Onboarding time reduced from days to under two hours
Fintech team reviewing product metrics
Executive dashboards surfaced KPIs per tenant tier.

Technology

Node.js services, PostgreSQL, Redis queues, Next.js, and WordPress headless CMS for marketing content.