Applied through referral.

• Total years of experience: ~3
• Role: SDE2
• Location: Chennai
• Total number of Rounds: 3
• Difficulty Level: Medium

Round 1 (Technical Round - 1 hour duration)

• Simple question on arrays. Asked to discuss different approaches.
• Several questions related to basics of REST API concepts.
• Java based questions like create an immutable class, immutable list, etc.
• Questions on spring and spring boot internal working.

Round 2 (Technical + Design round - 1 hour duration)

• 1 LC-easy Dynamic programming question; discuss both plain recursive and DP approach and time & space complexities.
• Several questions on REST API concepts.
• System design:- Ticket booking application; different components involved, DB schema, different data sync strategies for different situations. Cannot discuss the exact question details because of NDA.

Round 3 (Hiring Manager round)

• Few behavioural questions.
• Situational system design questions, different components involved, strategies used in particualr use cases to ensure scaling and availability.

Result: Recieved offer.