Tiktok Data Engineer Interview Questions
Master your tech interview with our curated database of real questions from top companies.
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...
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...
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...
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...
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...
Describe a data-heavy project
Behavioral/Technical: Data‑Heavy Project Deep Dive (Data Engineer) Describe one data‑heavy project from your resume. In your answer, cover the followi...