AppLovin

AppLovin built one of mobile advertising's most sophisticated platforms, combining machine learning-driven ad optimization with a portfolio of popular mobile games that generates billions of ad impressions daily. The company's AXON recommendation engine uses deep learning to match ads with users in real-time auctions completing in milliseconds, while its AppDiscovery platform helps developers acquire users at scale. Engineering challenges span high-throughput bidding infrastructure processing millions of requests per second, ML model training and serving at massive scale, real-time analytics pipelines, and mobile game development across multiple studios. Their rapid growth in AI-driven advertising technology drives hiring across machine learning engineering, distributed systems, and data infrastructure roles.