Telega.in, a Telegram marketing platform, faced challenges due to outdated technology, broken testing, and rising user demands. After an acquisition, the platform underwent a complete overhaul. The team modernized its Ruby framework, rebuilt the test suite with CI/CD, updated dependencies, and refactored legacy code for better performance. Future plans include migrating to Kubernetes and upgrading database architecture. The project ensured scalability, security, and growth readiness.