Kotak

Role: SDE2

College: Not Specified

Interview Date: 2024

Interview Type: Full-Time

Result: Not Specified

Difficulty: Not Specified

Rounds: 4 Rounds

Topics Asked: Data Structures, Algorithms, System Design (HLD & LLD), Distributed Systems, Design Patterns, Deployment Strategies, Messaging Queues, Databases

Experience:

This SDE2 interview experience at Kotak involved four distinct rounds.

Round 1 (Conducted by external party): This round included DSA problems such as "Minimum Window Length that Sums to Target" (LeetCode: Minimum Size Subarray Sum) and "Stock Profit Sell" (LeetCode: Best Time to Buy and Sell Stock). It also covered E-commerce Low-Level Design (LLD), a Distributed System question, Design Patterns (Strangler Pattern), and Deployment Strategy (Blue-Green Deployment).

Round 2 (Conducted by Kotak team): This round involved questions related to SQS and Kafka, CPU Usage and Multiple Instances, and database-related questions.

Round 3 (System Design - High-Level Design + Low-Level Design): This round focused on the system design of the candidate's current project (HLD) and a Low-Level Design (LLD) for a "Notify Me Service."

Round 4 (High-Level Design + API Design): The final round involved High-Level Design (HLD) and API Design for a "Voucher System Design."