3 rounds of interviews (over Zoom call).

1st round: Two medium-level data structure and algorithm (DSA) questions. Approach and code were evaluated. Handling all edge cases was crucial to pass this round (1 hour). Completed in 45 minutes.

2nd round: System Design (High-Level Design), Spring Boot, Java, and multithreading (1 hour).

3rd round: Hiring Manager round (1 hour). This round included one DSA question and one database question. There was a discussion on Agile methodology and some leadership/behavioral questions. It was essentially a healthy discussion to understand your existing work culture. The manager also explained their background, the team, and the work they are hiring for.

Round 1

• Q1. Find the minimum element in a sorted array rotated at a non-given point. E.g., 4 5 0 1 2 3.
• Q2. Given a binary tree and two nodes, find if the two nodes are cousins or not.

Round 2

• Q1. Design Instagram (HLD design, JUnit test cases).
• Q2. Explain the Spring Boot lifecycle and IOC, and discuss some annotations.
• Q3. Explain the Singleton pattern.
• Q4. Read through a file of 100 lines using multithreading.

Round 3

• Q1. Container with the most water.
• Q2. Tell me a situation where you went above and beyond your work.