Paytm Money Interview Experience:

Role: Senior Software Engineer(Backend)

Round 1: Online Assessment (OA)

• Duration: 63 minutes

• Format: 2 coding questions (medium-easy) + 6 MCQs (DSA theory around tree etc)

• Result: Passed ✓

Round 2: DSA Interview

-Duration: 1 hour

-Questions Discussed:

1. Unique Paths (Dynamic Programming)‍

2. Search in Rotated Sorted Array(Binary Search)

-Additional Topics:-

1 . Spring Boot: Basics and annotations.

2. Garbage Collector: Lifecycle and working principles.

3. Stream API: Features and lifecycle

• Result: Passed ✓

Round 3: HM / System Design Interview

• Duration: 1 hour

• Focus Areas:

• In-depth project discussion (impact, trade-offs, architecture, testing, future improvement).

-HTTP Status Codes: Understanding 4xx (client errors) and 3xx (redirection).

-Coding Question:

Find the Kth Node from the End in a Linked List

-Threading Question:

Using two threads, print numbers from two arrays (odd and even) in sequence:

Example: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

• Result: Fail

Unfortunately, i did not receive the offer letter. The overall process took about two weeks (from the OA to the final round).