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Message Queues (Kafka / RabbitMQ)

Async communication between services: decouple, scale, reliability

🔥 Tier 2

Category

💻 Technical

Salary Impact

+$25k-

Complexity

Medium-Hard

Used in

All careers

Message queues enable asynchronous communication between services. Producer sends messages, consumer processes them later. Essential for distributed systems (microservices, event-driven architecture). - Backend Developer L2+ | $115k-$165k — Event-driven systems

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