CTO here. Here are some more information, we did the project in Clojure, and we are very happy with this choice :-). The other parts of our tech stack include

CTO here. Here are some more information, we did the project in Clojure, and we are very happy with this choice :-). The other parts of our tech stack include Kafka, Postgres and Aerospike, hosted on AWS. Please feel free to ask questions or give suggestions. Thanks.