First round
1. You are given a string s containing only these characters: '(', ')', and '*'.
Write a function to check if the string is valid.
Rules:
Every '(' must be closed by a ')'.
Every ')' must have a corresponding '('.
The '*' can be treated as:
'('
')'
or an empty string
Your goal is to determine if the string can be valid by treating each * in the most beneficial way.
2. Given a string s containing only digits, return the number of ways to decode it.
Each digit or pair of digits represents a letter
Second round
1. Explain project
2. Design notification system (lld).
3
Autres retours d’entretien d’embauche pour un poste comme Senior Software Engineer chez Walmart
Expect standard DSA questions focused on Maps and Trees, including traversal and optimization. There will likely be a system design interview to discuss architecture and scalability, followed by a Hiring Manager round covering experience, projects, and problem-solving approach.
Questions d'entretien [1]
Question 1
Expect standard DSA questions focused on Maps and Trees
J'ai postulé via un établissement d'enseignement supérieur ou universitaire. J'ai passé un entretien chez Walmart (Delta, BC) en janv. 2026
Entretien
5 step interview, I think it was way too much. They should not be stressing applicants like this. They should let you dictate what operating procedures you can demo without rancomly giving it to you on the spot.
Questions d'entretien [1]
Question 1
Many questions about GraphQL and node.js for internal applications.
J'ai postulé en ligne. J'ai passé un entretien chez Walmart en janv. 2026
Entretien
The process was a Karat interview, technical video interview, and then the onsite. I was asked many questions about Java Springboot, but the position I applied did not mention anything about Java.