The rapid emergence of financial technology (FinTech) on the global level of the financial system in conjunction with the most innovative technologies of networking, artificial intelligence, big data analysis, and blockchain is transforming the manner of global financial ecosystem functioning. The given paper is a comprehensive review and sophisticated investigation of existing FinTech developments and the infrastructure that facilitates digitalization within the financial services sector. The research studies the contribution of entrepreneurial ecosystem, innovation diffusion, and technology constructs that trigger FinTech growth. It is dedicated to the significance of networking technologies, such as 5G, IoT, and edge computing, in delivering financial solutions in real-time scenarios with high levels of security and scalability. This paper examines the trends within the following areas of technology digital payments, peer-to-peer lending, robo-advisory, and decentralized finance (DeFi) to provide some technological, regulative, and market impediments to FinTech adoption. It also discusses the dynamics of the ecosystem players (startups, incumbents, regulators and customers) and how they affect the innovation cycles and the research pathways in the future that should be developed to be able to develop a robust and inclusive digital financial ecosystem.