As Booksy continued its rapid global expansion, it faced mounting challenges in maintaining consistent performance and reliability across its diverse tech stack. With three primary platforms—Android, iOS, and web—and mobile usage dominating customer interactions, the need for comprehensive monitoring became increasingly critical. With its previous observability tools, backend teams didn’t have access to frontend errors, which led to siloed communication. At the same time, tool sprawl required teams to context switch and manually correlate data across multiple tools. The SRE team needed to reduce the burden of maintaining their in-house monitoring solutions while building a more holistic view of their observability landscape. Most critically, they needed to improve application availability and performance monitoring across their expanding global footprint