Enterprise SaaS Platform
How we built a high-performance Next.js platform handling 10M+ monthly users with 99.9% uptime for a Fortune 500 financial services company.
The Challenge
Our Fortune 500 financial services client was running a legacy monolithic application that struggled to handle their growing user base of over 10 million monthly active users. The existing system suffered from poor performance, frequent downtime, and difficulty scaling during peak traffic periods.
Key challenges included:
- Legacy architecture couldn't scale to handle traffic spikes
- Poor Core Web Vitals scores affecting user experience and SEO
- High infrastructure costs due to inefficient resource usage
- Difficult to deploy new features due to monolithic structure
- Compliance requirements for financial data handling
Our Solution
We designed and built a modern, scalable SaaS platform using Next.js 14 with server-side rendering, optimized for performance and reliability. The solution included a microservices architecture, advanced caching strategies, and comprehensive monitoring.
Technical Architecture
- Frontend: Next.js 14 with App Router, TypeScript, and Tailwind CSS
- Backend: Node.js microservices with Express.js
- Database: PostgreSQL with read replicas for scaling
- Caching: Redis for session management and query caching
- Infrastructure: AWS with auto-scaling groups and load balancers
- Monitoring: Custom dashboards with real-time alerting
Key Features Implemented
- Real-time dashboard with live data updates
- Advanced user authentication and authorization
- Mobile-responsive design with offline capabilities
- Automated testing and CI/CD pipeline
- Comprehensive audit trails for compliance
- Advanced analytics and reporting tools
Results
The new platform exceeded all performance expectations and delivered significant improvements across all key metrics:
Performance Improvements
- • P95 LCP improved from 4.2s to 1.6s
- • First Contentful Paint under 1.2s
- • 60% reduction in bounce rate
- • 37% increase in user engagement
Business Impact
- • 99.9% uptime achievement
- • 60% reduction in infrastructure costs
- • 75% faster feature deployment
- • Zero security incidents
Technologies Used
The project leveraged modern technologies chosen for scalability and performance:
Client Testimonial
"NetSwagger transformed our platform beyond our expectations. The performance improvements and cost savings have been remarkable, and our users love the new experience. Their team delivered on time and exceeded every metric we set."
Lessons Learned
This project reinforced the importance of modern architecture patterns for enterprise-scale applications. Key takeaways included the value of incremental migration strategies, comprehensive monitoring from day one, and the importance of performance budgets in maintaining excellent user experience at scale.
Ready to Scale Your Platform?
Let's discuss how we can help you achieve similar performance and cost improvements