Cloud infrastructure has become the backbone of modern businesses, offering unparalleled flexibility, scalability, and efficiency. It's a comprehensive solution that encompasses various components, including servers, storage, and networking resources, which are managed and delivered as a service over the internet. This infrastructure allows organisations to leverage computing power and storage without the need for physical hardware, significantly reducing capital expenditure and maintenance costs.

BrowserStack is a cloud‑based testing platform—founded in Mumbai in 2011—that enables developers and QA teams to test websites and mobile applications across thousands of real browsers, operating systems, and devices—eliminating complex in‑house infrastructure.

Multi-tenant databases are a common architectural choice for SaaS applications, where multiple customers (tenants) share the same database while maintaining data isolation. This approach offers cost-efficiency and simplified management but introduces unique challenges, especially around query performance and resource contention. Optimizing queries in a multi-tenant database is critical to ensure scalability, reliability, and performance.