Design a matchmaking system for a chess platform. The input is User ID, and you need to find a pair of players with similar ratings. Load: 1 million registered users, 100 thousand DAU, 500-1500 concurrent game sessions at peak. What architecture would you suggest?
What was the system load? How many RPS?
Tell us about the loads and interesting cases related to load optimization.
How is your current company registered? Do you have an individual entrepreneur status?
How are you with deadlines? Have you ever missed one?
What is the difference between RabbitMQ and Kafka?
What are you looking for in a new place? What is technically interesting?
What do you do at your current job? What are your tasks, what is the most difficult task, what is the team like?
What was the main focus of tasks at your previous job?
Why are you looking for a new job now?
Tell us about your career path — when did you start working?
How do you perceive your grade — middle or senior?
