When DoorDash approached the limits of what our Django-based monolithic codebase could support, we needed to design a new stack that would provide a strong foundation for our logistics services. This new platform would need to support our future growth and enable our team to build using better patterns going forward.
Read more here: https://doordash.engineering/2021/05/04/migrating-from-python-to-kotlin-for-our-backend-services/