TikTok Data Engineer Interview Questions

Practice the exact questions companies are asking right now.

7 Questions 1 Company10.19.2025
Showing 7 results
Role
TikTok logo
TikTok
Medium
Data Engineer

Explain Your Resume and Behavioral Examples

Behavioral & Leadership Technical Screen — Data Engineer Context You will be assessed on impact, decision-making under ambiguity, stakeholder manageme...

Behavioral & Leadership
5
0
60 people solved
Sep 6, 2025
TikTok logo
TikTok
Hard
Data Engineer

Design a Warehouse for Key Metrics

Design a Warehouse Model for Marketplace Analytics You are designing a warehouse model for an e-commerce marketplace with buyers, sellers, orders, ord...

System Design
3
0
55 people solved
Sep 6, 2025
TikTok logo
TikTok
Medium
Data Engineer

Describe a data-heavy project

Describe a data-heavy project Behavioral/Technical: Data‑Heavy Project Deep Dive (Data Engineer) Describe one data‑heavy project from your resume. In ...

Behavioral & Leadership
2
0
45 people solved
Jul 15, 2025
TikTok logo
TikTok
Hard
Data Engineer

Count islands using BFS without modifying grid

You are given an m x n binary grid grid where: - 1 represents land - 0 represents water - Islands are groups of horizontally or vertically adjacent la...

Coding & Algorithms
6
0
74 people solved
Oct 19, 2025
TikTok logo
TikTok
Medium
Data Engineer

Debug a Hive Query for DAU

You are given two Hive tables: users(user_id BIGINT, created_at TIMESTAMP) and events(user_id BIGINT, event_time TIMESTAMP, event_name STRING) PARTITI...

Data Manipulation (SQL/Python)
0
0
7 people solved
Sep 6, 2025
TikTok logo
TikTok
Medium
Data Engineer

Debug a Hive insert query

Given a Hive table schema and an incoming table plus an INSERT/SELECT statement meant to inject data, identify why the query fails and provide step-by...

Data Manipulation (SQL/Python)
0
0
5 people solved
Jul 15, 2025
TikTok logo
TikTok
Medium
Data Engineer

Explain a SQL query result

Given two tables and a specific SQL query, precisely explain the expected result set: which rows are returned, what each column contains, how joins/fi...

Data Manipulation (SQL/Python)
1
0
10 people solved
Jul 15, 2025

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TikTok Data Engineer Interview Questions (Updated 2026) | PracHub