J'ai postulé via un recruteur. J'ai passé un entretien chez Walmart (Sunnyvale, CA) en juil. 2019
Entretien
I had the interview through a Consultancy company, so it was easier than it usually is.
I had a phone screen with a manager, we talked about my previous experience, and I had to solve an easy algorithm challenge, it was a sorting problem.
The onsite consisted of 3 interviews, 45 min each:
* Technical interview with an engineer: I had to solve some algorithm problems and I had to do some NoSQL database designs.
* Manager interview: questions related to my previous experience, I had to write some REST standards, nothing very difficult.
* Technical interview with an engineer: I had to solve algorithm problems and a system design question.
I got an offer but I declined because of the project required to sync with the offshore team at crazy hours.
Questions d'entretien [1]
Question 1
I won't share the exact questions, some sorting questions.
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.
Questions d'entretien [2]
Question 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.
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