Do you have experience working with message brokers? Which ones specifically?

Yes, I have experience working with message brokers. Specifically, I have used Apache Kafka for organizing data streaming between microservices, as well as RabbitMQ for asynchronous task processing and message exchange in a distributed system.

Example of using RabbitMQ in Java with the Spring Boot library:

// Sending a message
rabbitTemplate.convertAndSend("queueName", "Hello, World!");

// Receiving a message
@RabbitListener(queues = "queueName")
public void receiveMessage(String message) {
    System.out.println("Received: " + message);
}