PlanetScale is building the best database for developers and uses its own service as its primary database. The company has high standards for development velocity and wants to empower developers with features like branching and non-blocking schema changes to constantly ship new features to users. PlanetScale's engineers use a Ruby on Rails API and Next.js front-end, and leverage the `branching` feature to deploy changes to their production database. The company uses `non-blocking schema changes` to decouple deployment from application deployments, allowing for zero downtime and no locking of production database tables. This process empowers developers and makes database migrations less scary. PlanetScale is hiring for its team that builds the best database for developers.