Applied via job portal (Naukri) and received a call three days back.

HR introduced Walmart Labs and the role. They asked about my experience and scheduled the interview for the immediate Saturday.

Interview Process:

Was called for the interview at 11:30 AM and told to wait. After 15 minutes, I was called for a face-to-face interview.

Round 1: F2F Interview

Main topics covered were Data Structures, Algorithms, and problem-solving related to them.

Duration: 1 hour 30 minutes.

Was told to write on paper and explain (question to be shared).

Waited for 10-15 minutes and was told I was selected for the next round.

Lunch was provided.

Round 2: Design & Problem Solving

Duration: 1 hour 30 minutes.

Waited 5-10 minutes and was told to leave.

Tip: Prepare well for Data Structures and Algorithms so that you can reproduce them on paper.

Quick Sort Algorithm and its time complexity in best case & worst case

Linked List copy with random nodes

Sort an array of zeros and ones

Delete a specific node

Delete a random node without root