We are building an open source time series database focused on performance and simplicity. QuestDB is used to store, process and analyze time series data in real-time across a wide range of industries, such as Financial Services, Energy, Manufacturing, Web3 and Space Exploration. Fortune 500 companies such as Airbus and Yahoo deploy QuestDB for large-scale, data-intensive production systems, some of which serve close to a billion users. Our open source repository has gathered 13k+ stars in three years, and is the fastest-growing in our category. We are a product-first company with a large community of developers. We are a globally distributed remote-first team backed by leading venture capital firms and Y Combinator.