We use a combination of RabbitMQ, Centrifugo, and Redis with a backend written in golang and our own job scheduling engine. Everything is deployed on AWS EKS. W

We use a combination of RabbitMQ, Centrifugo, and Redis with a backend written in golang and our own job scheduling engine. Everything is deployed on AWS EKS. While we thought about it a lot, no plans to open source it at the moment.