Senior Backend Software Engineer Interview Questions and Answers

Design a notification system for sending alerts to users based on events.

• Use a scalable messaging system like Kafka or RabbitMQ to handle notifications.

• Implement a database to store user preferences and notification settings.

• Include a scheduler to send notifications at specific times or intervals.

• Consider implementing different channels for notifications such as email, SMS, or push notifications.

• Allow users to customize their notification preferences and opt-in/out of certain...read more