Walmart Data Engineer Interview Questions

7+ Walmart Data Engineer interview questions drawn from real candidate reports. Sources include 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Questions span every stage of the Walmart Data Engineer loop: OA, phone screen, system design, behavioral, and onsite coding.

What to Expect in the Walmart Data Engineer Interview

The Walmart Data Engineer interview process typically runs 4 to 6 rounds depending on seniority level. Based on candidate reports in the LeakCode database, the loop usually includes a resume review, an online assessment or coding phone screen, one or more technical rounds, a system design round (for senior and above), and a behavioral or values round.

Difficulty skews toward medium and hard LeetCode-style problems in the coding rounds. System design questions test breadth (component selection, scaling, trade-off reasoning) more than deep implementation. Behavioral questions are tied to the company's stated values and principles.

Walmart Data Engineer Questions (Sample)

Walmart SDE III (Backend, 3 YOE) Interview Experience — Bangalore

phone screen hard 2026 gfg

I recently went through the Walmart SDE III backend interview process and received an offer.Role: SDE III (Java Backend)YOE: 3 yearsLocation: BangaloreInterviewed On: Octo...

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Walmart | Software Engineer lll | Reject

phone screen 2024 leetcode

YOE - 2.8 at service based company. I had 3 rounds of interviews. Round 1(DSA) - I was asked 6 standard dsa ques and had to code all. Don\'t remember all exactly...

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Walmart | Data Engineer IN3 | Online | IN | SELECTED

phone screen 2024 leetcode

Round 1 1. Level order of a binary tree 2. House Robber Round 2 Complete data engineering round. SQL, Spark, Azure, ETL-related, and a few other topics that are usually expected from a data...

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Walmart SDE Intern + PPO Interview Experience [IIIT]

phone screen 2024 leetcode

Interview Process Overview Round 1: Technical Assessment SQL Queries: Answered a variety of questions focusing on SQL. JavaScript: Engaged with questions specific to JavaScript. Java Code Analysis: Reviewed provided Java code snippets, identified errors,...

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Walmart || Software Engineer III || Rejected

system design easy 2024 leetcode

Current Experience: 3 year+ at a product based MNC Recently I appeared for Software Engineer III role in walmart. There were total of two rounds of interview for me each were one...

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Walmart Global Tech | Staff Software Engineer | Bangalore | 4th Dec 2024 [Offer]

phone screen 2024 leetcode

Status: 10 years experienced Position: Lead at OTT company Location: Bangalore Date: December 2024 Technical phone screen (1 hour): DSA 2nd technical phone screen (1.5 hours): DSA + Kafka 3rd technical phone screen (1.5 hours): System design 4th...

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Walmart Labs Interview Experience (4.10 yr experienced)

phone screen easy 2020 gfg

Round 1: The position was for a Big Data Engineer experienced with ETL Big data tools. First round is where you are tested on how good your basic SQL knowledge is. Furthe...

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Difficulty Breakdown

2

easy

1

hard

Based on 7 questions with difficulty labels from candidate reports.

Interview Rounds

Here is how the Walmart Data Engineer questions in the LeakCode database break down by interview round, based on what candidates reported:

Round Questions in Database
phone screen 6
system design 1

Most Common Topics

algorithms (4) system design (1) sql (1) linked list (1)

Question Recency

1

2026

5

2024

Question counts by interview year, based on candidate-reported dates.

How to Prepare for the Walmart Data Engineer Interview

Use the LeakCode question database as your primary research tool. Filter by role (Data Engineer), then by round type to focus your prep on the specific stages in your upcoming loop. Sort by recency to see what 2026 candidates actually faced.

  • Start with questions from the last 12 months. Interview processes change and recent data is the strongest signal.
  • Cross-reference questions that appear in multiple sources (1p3a, Blind, Glassdoor). Multi-source confirmation means a question has stronger recurrence probability.
  • For system design rounds: focus on the question patterns, not individual questions. The same design principles recur across many prompts.
  • For behavioral rounds: map your experiences to the company's stated values before the interview. Most behavioral questions at top companies are derivatives of a small set of core leadership competencies.

FAQ

How many Walmart Data Engineer questions are in the database?

7+ questions from verified candidate reports. The count grows as new reports are scraped daily from 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode.

Are these questions from real Walmart interviews?

Yes. All questions are sourced from actual candidate interview reports, not generated by AI. Each entry links back to its source URL where available, and questions are tagged with the year and round reported by the candidate.

How current is this data?

LeakCode updates daily. The database is filtered to exclude duplicate and low-quality entries. You can filter by interview year to focus on recent cycles.

Does LeakCode cover Walmart OA questions specifically?

Yes. The database includes online assessment questions tagged with round type. See the Walmart OA page for a dedicated view.

Related: Walmart All Questions · Walmart OA Questions · Browse All Companies · Data Sources