Improper Evaluation of Candidate.

4 Rounds of Interview (3 Technical + 1 Managerial)

Round 1:

1. What are Mutable & immutable Datatypes?
2. What is the Global Interpreter Lock? Answered the question explaining the need for GIL & Race Condition.
3. How would you read from a file with 1 million records & write to a DB? Answered using Multiprocessing & context managers.
4. Explain Backend Pagination. Answered the question.

Interview went for 1 hour & there were follow-up questions on the answers.

Round 2: System Design Interview:

1. Flask versus Django: Pros & Cons Analysis.
2. Design a distributed system to handle a load of 1 million requests.
3. How would you approach migration of a Monolith into Microservices?

Interview went for 1 hour.

Round 3: System Design + Architectural Round

1. Explain the architecture of the current project.
2. Design a master-slave architecture for DB.
3. Explain DB sharding in detail with a business scenario.

Round 4: Interview with Leadership (30 mins Round)

I was called to the office for an In-Person interview.

1. Interview started with me briefing about my experience.
2. How would you implement a hash-table? Told the concept of hash table, hashing & how to resolve conflicts. Interviewer wanted to know further details for implementation, so I stated that I haven't implemented a Hash Table in Python for many years, so I don't know.
3. How is a request resolved when sent from a browser in a web app? Answered, but the context of the question was broad; the interviewer didn't specify what he was looking for when he asked this question.
4. What do you know about Rakuten?

Interview finished in 30 minutes.