I applied through a recruiter. The process took 4 weeks. I interviewed at Walmart (Sunnyvale, CA) in Dec 2017
Interview
I interviewed with Walmart e-commerce recently. I was reached out by a recruiter, had 2-phone screens and then an onsite interview. Got a call within a day or 2 after the onsite interview. I got a verbal offer and then we were in negotiation stage for 1-2 days. Shockingly, next day I received an email saying that they have decided to go with another candidate !! Would you believe that ? A company like Walmart backing out after the verbal offer. Really bad experience interviewing with them.
Anyone interviewing with Walmart in future - never assume you got in until you have a written offer. The company and the recruiter don't keep their words. No values at all.
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.
Interview questions [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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