Ho presentato la mia candidatura di persona. Ho sostenuto un colloquio presso Walmart (Bengaluru) nel mese di ago 2021
Colloquio
It was Drive for Wallmart global tech
Every round was an elimination round.
There were total 4 rounds including
2 technical 1 with engineering manager and 1 with hr.
I got a call for a drive for the Level-3 software engineer position for the Bangalore location.
Domande di colloquio [1]
Domanda 1
First Round:
1. function random(){
return {value: 20}
}
const ah = random();
const bn = new random();
console.log(ah) // 10
console.log(bn) // {value: 20}
2. create a memorized function
Solution:
function memoise(fn){
var cache = {};
return function(){
const key = JSON.stringify(arguments);
if(cache[key]){
console.log("already there", cache[key])
return cache[key]
} else {
val = fn.apply(null, arguments)
cache[key] = val;
console.log("its new", val);
return val;
}
}
}
3. create a triangle using css and HTML
solution:
.arrow-up{
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid blue;
}
4. Clouser, promise questions, new keyword instances in JS
Looking back, I feel like I gained a clearer understanding of the process, even though I ultimately turned down the offer. The technical rounds were straightforward, featuring an implementation question on an LRU cache and a system design question about a rate limiter for an API. What helped me a lot was the walkthroughs for system design I went through on PracHub, which made those types of questions feel familiar. Overall, it was an easy experience, but I just didn't feel it was the right fit for me.
Domande di colloquio [2]
Domanda 1
Implement an LRU cache with O(1) get and put using a hash map plus doubly linked list
First, standard short phone call with recruiter. Then a 1-hour interview with an engineer on the team, asked about technical experience and background, and did a live coding assessment via video call. Fairly standard Leetcode style questions
Intense but rewarding — the interview for the Software Engineer position at Walmart Labs was tougher than I anticipated. The technical rounds included an LRU Cache implementation question where I had to articulate my design thoughts on thread safety, followed by a complex system design for a real-time inventory service. What made a difference in my prep were the company-specific prompts I found on prachub.com; they really helped me understand the types of questions I might face. Despite the challenging nature of the interviews, I ultimately received an offer but chose to decline.