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Walmart interview notes, page 9 of 14

Large Enterprises

Most of these Walmart write-ups come from Software Engineers (91), then Product Managers (21) and Data Scientists (13). The most reported rounds are the technical phone screen (47), the hiring manager screen (23), the product sense round (16) and the system design round (13).

139 interview notes · updated Oct 2026

Walmart·Product Manager·Onsite - Product Sense / Strategy

Jun 2026
Interviewed for a PM role at Walmart Labs and got hit with a product improvement question about LinkedIn retention. Pretty standard product sense territory but I fumbled parts of it.
  • How would you improve user retention on LinkedIn?

“I jumped straight into feature ideas, which was a mistake.”

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Walmart·Software Engineer·Onsite - Multi Round

Jun 2026
Interviewed for a senior full stack role at a FAANG company in the EU. The loop had three rounds and the virtual UI coding round went pretty badly. Two weeks out from the in-office rounds and genuinely unsure if they'll bother flying me in after that performance.
  • Four JavaScript puzzle-style coding problems in a virtual UI round, expected to be React-focused but turned out to be closer to algorithmic JS challenges.

“Only got through two of the four.”

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Walmart·Software Engineer·Technical Phone Screen

Jun 2026
Got a medium-level DP problem and solved it, but the feedback was that my explanation was hard to follow. Kind of a wake-up call that knowing how to solve something and being able to communicate the solution are very different skills.
  • Solve a medium-difficulty dynamic programming problem and walk through your thought process as you go.

“I got the right answer but apparently my verbal explanation was a mess.”

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Walmart·Software Engineer·Technical Phone Screen

Jun 2026
Coding round for a software engineer role, one question about ranked sentence retrieval. Pretty algorithmic, felt like a mid-level screen.
  • Given a mapping of sentence indices to sentence strings, a list of query words, and an integer N, score each sentence by counting total occurrences of any query word in it, then return the indices of the top N sentences by score in descending order, breaking ties by ascending index.

“The scoring part clicked pretty fast but I fumbled on the tie-breaking for a bit.”

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Walmart·Product Manager·Recruiter / HR Screen

Jun 2026
Interviewed for a PM role at Walmart Labs. Just the one question worth noting, pretty standard stuff for a motivation screen.
  • Why do you want to work at Walmart Labs specifically?

“Classic opener.”

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Walmart·Software Engineer·Onsite - System Design / Architecture

Jun 2026
System design round at Walmart Labs for a software engineer role. The question was a beast, basically a full product and architecture deep dive into airplane seatback entertainment systems. Walked out not totally sure how I did.
  • Design an in-seat personal entertainment system for commercial aircraft. Cover the full UI and interaction flows, client architecture, offline caching, communication with cabin and ground services, DRM, fault tolerance, accessibility, parental controls, A/B experimentation, and telemetry.

“This thing sprawls in every direction and I made the mistake of trying to cover everything at the same depth.”

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Walmart·Data Scientist·Technical Phone Screen

Jun 2026
Interviewed for a data scientist role on the growth analytics team at Walmart Labs. The session was heavily focused on causal inference methodology, specifically PSM, which I hadn't drilled as hard as I probably should have.
  • What is Propensity Score Matching and when would you actually use it in a business context?
  • What assumptions need to hold for PSM to give you unbiased causal estimates?
  • After running PSM, how do you check that the matching actually worked? Walk me through your balance diagnostics.

“I knew the textbook definition but stumbled when they pushed for concrete business scenarios.”

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Walmart·Software Engineer·Onsite - Behavioral / Leadership

Jun 2026
Walmart Labs behavioral round for a software engineer role, four questions all squarely in the leadership and judgment territory. Nothing technically tricky but the questions had some real teeth if you weren't prepared with good stories.
  • Tell me about a time you persuaded others to follow your recommendation when you had no formal authority over them.
  • Walk me through a situation where you used data to drive or significantly influence an important decision.
  • Describe a production incident you handled: how you mitigated it, communicated during it, and then prevented it from recurring.
  • If you found out a teammate had broken a compliance or integrity rule, what would you do?

“This one tripped me up a bit because my first instinct was to pick a story where I was technically right and everyone just came around.”

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Walmart·Software Engineer·Technical Phone Screen

Jun 2026
Went through a technical phone screen at a FAANG company for a software engineering role. The whole thing nearly got cut short 20 minutes in, which made for a pretty memorable experience for all the wrong reasons.
  • Solve a recursive backtracking problem.

“Froze up pretty bad at the start.”

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Walmart·Product Manager·Onsite - Product Sense / Strategy

Jun 2026
Got a product design question for a PM role at Walmart Labs. Pretty open-ended, which sounds fun until you're sitting there trying to figure out where to even start.
  • How would you design the best slippers?

“I went straight into user segments, which in hindsight was probably the right call, but I spent too long on it and rushed the actual design part.”

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