The telecommunications industry is experiencing a significant shift driven by advancements in 5G, IoT, and AI, which necessitate modernization of outdated IT infrastructures. Traditional reliance on relational databases like PostgreSQL limits scalability and performance, prompting telecom companies to adopt modern databases like MongoDB. MongoDB offers a flexible document model that allows telecoms to handle vast amounts of unstructured data while enhancing security and scalability. The modernization process typically involves data-driven, application-driven, or iterative approaches to transition from legacy systems. Successful implementation of MongoDB has been seen in companies like Nokia and Vodafone, who have improved their operational efficiency and reduced the complexity of their systems. Moreover, MongoDB's acquisition of Voyage AI and partnerships with companies such as CopilotKit, Varonis, and Xlrt underline its commitment to integrating AI-powered applications, offering enhanced data security, and facilitating AI-driven financial processes. In a related leadership update, MongoDB CEO Dev Ittycheria announced his retirement, with Chirantan “CJ” Desai set to succeed him, bringing experience in scaling companies to guide MongoDB's next growth phase.