SaaS Analytics Dashboard

Next.jsTypeScriptTailwind CSSChart.jsStripePostgreSQLRedis

About This Project

Built a full-featured SaaS analytics platform from scratch for a digital marketing agency serving 200+ clients. The platform aggregates data from Google Ads, Meta Ads, and Shopify into real-time dashboards with interactive charts. Features include role-based access control (Admin, Manager, Client), white-label client portals, automated PDF report generation, and Stripe subscription billing with usage-based tiers. The backend processes over 50,000 API calls daily through a queue-based architecture with Redis caching, keeping dashboard load times under 1.5 seconds.

Challenge

Aggregating data from 5+ third-party APIs with different rate limits and data formats while maintaining real-time dashboard responsiveness for 200+ concurrent users.

Solution

Implemented a background job queue with Bull.js and Redis for API data ingestion, normalized all data into a unified schema in PostgreSQL, and used incremental static regeneration (ISR) combined with SWR for real-time UI updates without overloading the server.

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