Google Data Engineer Interview Questions

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

What to Expect in the Google Data Engineer Interview

The Google 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.

Google Data Engineer Questions (Sample)

Google SWE London Interview Timeline (Jan 2026) - Sharing Experience

recruiter hard 2026 reddit

Thought I’d share my interview timeline so far in case it helps others, and I’ll update as things progress. Role: SWE II / Data Platform (The current position had been filled already but they still wa

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Google interview with 0 leetcode experience

recruiter 2026 reddit

Hi everyone, looking for some advice from people who’ve gone through Google interviews recently. Quick background: I’m a Data Engineer with 3+ years of experience working mainly on large-scale data pi

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What level of depth is required for mid-level system design interviews?

system design 2026 reddit

I am currently preparing for system design interviews and have few questions for folks who have experienced it already. Does the interviewer provide most of the functional requirements or are we suppo

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Google recruiter reached out - should I ask for some time?

system design hard 2026 reddit

Hello, I was reached out by a Google recruiter for EU opportunities. I have not given a single interview in several years. I believe I can handle system design but LC/DSA scares me as I have not been

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Google Team Match - approaching end of timeline, no update yet (looking for insight)

recruiter 2026 reddit

Hi all, I’m currently in the team matching stage for a Google SWE (Data Platform) role and wanted to get some perspective from others who’ve been through this process. **Timeline:** * Early Feb: Compl

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My job-hunting strategy that landed me the offer I wanted

recruiter easy 2025 reddit

I was coming from a tech leadership role for a handful of years before sort of burning out and deciding to jump at a startup. Same industry that I know, cool new hook and angle, a "Head of Product" ti

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Rejected by random no-name startup with insane standards

phone screen easy 2025 reddit

Not sure if this post will be useful to anyone, but writing it anyway because I need to vent somewhere. I was interviewing for a startup that I was absolutely perfect for. Tech stack, industry, everyt

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Architecture design feels like the Wild West, how are you making it work?

system design hard 2025 reddit

Saw a stat recently that said \~60% of engineering teams don’t have a clear process for architecture design. Not super surprising, but kinda wild when you think about how many problems we try to solve

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Google L4 | Application Engineer ( Data) | Hyderabad | April 2024 [ Rejected ]

phone screen easy 2024 leetcode

Company: Google Level: L4 Position: Application Engineer, Data Round 1: Sql question on find managers who are not in same location as their employees ( self join ) https://leetcode.com/problems/longest-consecutive-sequence/description/ * https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters/description/ * https://leetcode.com/problems/two-sum/description/ **Round 2: ...

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Google | Cloud Data Engineer | 9 yof

phone screen 2022 leetcode

Company: Google Role: Cloud Data Engineer YOE: 9yrs Round : Phone Interview Location: USA, Remote there was two questions : 1. Data Modelling and SQL - Asked to design a Data model for movie booking of...

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Google|Onsite|USA|feb-2022

onsite 2022 leetcode

Company- Google Interview- Onsite Round YoE - 9+ yrs Role - Data Engineer Location: USA Got two question on my coding onsite round for google, time was 1 hour: First : You have a list of cities...

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Intuit | SDE2 | Bangalore | April 2022 | [Offer]

recruiter easy 2022 leetcode

Previous Position: SDE2 at Tier 1 MNC Location: Bangalore, India Date: April, 2022 Recruiter reached out via LinkedIn. Interview Process: Round 1 - Online Coding Assessment(30-40 mins) : Cutoff 70% 5 MCQ\u2019s: all have time...

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Google L5 | Amazon L6 | Meta E6 | Bay Area USA | March - April 2022 | [Offer] [Offer] [Offer]

recruiter easy 2022 leetcode

Background: Embedded software engineer, 10+ YOE. I am an SME in the domain I work. Preperation: It had been a while I interviewed for a job. Also my first with FAANG companies. The following covered...

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Microsoft phone interview questions - data storage and API design

phone screen 2022 leetcode

Q1) Which data storage is best for persisting data for 7 days and archiving it? The data will be frequently accessed for 7 days. After that, it is rarely accessed(but...

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Myntra | SDE-1 | Virtual | March - 2022 | Rejected

recruiter easy 2022 leetcode

Status: 2020 Grad , Normal Private College (Tier 3/4) Company at that time : Infosys (Specialist Programmer) Position they offer: SDE-1 Location: Banglore , India Date: Feb-March 2022 Applied Through : Applied through Carrer portal...

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Difficulty Breakdown

15

easy

4

hard

Based on 27 questions with difficulty labels from candidate reports.

Interview Rounds

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

Round Questions in Database
recruiter 9
phone screen 7
system design 6
oa 3
take home 1
onsite 1

Most Common Topics

system design (6) graph (3) sql (2) system design,strings,sql,sliding window,concurrency (1) system design,sql (1) stack (1) sql,behavioral,general experience (1) interview process,team matching (1)

Question Recency

5

2026

3

2025

1

2024

6

2022

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

How to Prepare for the Google 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 Google Data Engineer questions are in the database?

27+ 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 Google 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 Google OA questions specifically?

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

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