Gupshup – Conversational Platform Modernization
Modernized Gupshup's legacy PHP monolith into a scalable multi-tenant SaaS platform, achieving 50% reduction in memory usage, 2× throughput capacity, and 99.9% uptime while enabling enterprise growth.
Project Overview
Modernized Gupshup's legacy PHP monolith into a scalable multi-tenant SaaS platform, achieving 50% reduction in memory usage, 2× throughput capacity, and 99.9% uptime while enabling enterprise growth.
Technologies Used
Key Results Achieved
The project delivered exceptional results across multiple metrics, demonstrating the effectiveness of our approach and the value delivered to the client.
Challenges Faced
Every successful project comes with its unique set of challenges. Here are the key obstacles we identified and overcame during this project.
Solutions Implemented
Our team developed innovative solutions to address each challenge, ensuring the project's success and exceeding client expectations.
Project Impact & Success Metrics
The project's success is measured not just by technical achievements, but by the real-world impact it created for our client and their users.
Key Achievements:
- 50% - Optimized caching and data handling reduced infrastructure costs while boosting efficiency
- 2× - Message node optimizations enabled the platform to handle 1M+ requests/messages at peak load
- 99.9% - Improved monitoring and Kubernetes resiliency ensured near-continuous availability
- 50% - Faster automated CI/CD pipelines accelerated feature rollouts and reduced human error
Conclusion
Through this collaboration, Legresca successfully transformed Gupshup's legacy system into a modern, scalable, multi-tenant SaaS platform. By optimizing system performance, automating deployments, and enabling enterprise-ready architecture, we positioned Gupshup to support millions of global conversations reliably and efficiently. This case study highlights Legresca's expertise in platform modernization, SaaS architecture design, and performance optimization—helping clients unlock the full potential of their digital products.
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Frequently Asked Questions
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Gupshup is a global leader in conversational messaging solutions, enabling over 50,000+ businesses to interact with customers through engaging chat experiences. As the company scaled globally, their existing PHP backend infrastructure showed limitations in performance, scalability, and maintainability, requiring a major modernization initiative.
The main challenges included a legacy PHP monolithic codebase lacking modularity, performance bottlenecks at scale with high memory consumption, single-tenant architecture limiting enterprise growth, limited testing and observability slowing releases, and manual deployment processes risking downtime.
We rebuilt backend services using Node.js + Express, transitioning from PHP monolith to modern microservices architecture. We integrated MongoDB for scalable document-oriented storage and redesigned the system for multi-tenant SaaS enablement with secure tenant isolation.
Gupshup achieved 50% reduction in memory usage through optimized caching, 2× throughput capacity enabling 1M+ requests/messages at peak load, 99.9% uptime through improved monitoring and Kubernetes resiliency, and 50% faster release cycles through automated CI/CD pipelines.
The multi-tenant architecture transformed Gupshup from a single-tenant system to a scalable SaaS platform that can serve multiple organizations within one instance. This enabled enterprise growth, streamlined client onboarding, and provided secure data separation while reducing infrastructure costs.
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