The studies on real-time marketing solutions, maximizing ROI in digital advertising, and resilient data ingestion pipelines emphasize the pivotal role of advanced data engineering in revolutionizing marketing and advertising strategies. These works propose scalable frameworks for processing time-series data, enabling real-time behavioral targeting, and significantly enhancing the effectiveness of advertising campaigns. By addressing critical challenges such as handling third-party vendor integrations, ensuring data quality, and maintaining compliance, these studies offer actionable insights that are highly relevant to data-driven businesses. They enable organizations to improve marketing precision, streamline data workflows, and adopt cost-efficient, high-impact strategies that drive better customer engagement and revenue growth. Furthermore, these innovations focus on creating adaptable and reliable data architectures that can scale with the increasing complexity of modern advertising ecosystems. By integrating these advanced data engineering techniques, businesses can better understand consumer behavior, optimize ad placements, and ultimately improve ROI across various channels. These innovations provide a roadmap for industries to harness data-driven approaches to thrive in competitive markets, fostering long-term business success and customer loyalty.