Leading technology company specializing in search, cloud, and AI.
4 Rounds
~21 Days
Very Hard
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Data Analyst
•
Coding
•
medium
What is a pivot table in SQL? How would you implement it without native PIVOT support?
#Pivot
#Data Transformation
Data Analyst
•
Coding
•
hard
What is a funnel query? Write one for a 3-step user onboarding flow.
#Funnel Analysis
Data Analyst
•
Coding
•
medium
Explain window functions. Write a query using LAG() to compute day-over-day change.
#Window Functions
Data Analyst
•
Coding
•
hard
How would you detect anomalies in a daily revenue time series using SQL?
#Anomaly Detection
#SQL
Data Analyst
•
Coding
•
hard
Write a SQL query to calculate the rolling 28-day average session duration per user.
#Rolling Average
#Sessions
Data Analyst
•
Coding
•
hard
Write a SQL query to find customers who made purchases in both January and February but not March.
#Set Operations
Data Analyst
•
Coding
•
hard
How would you build a cohort analysis for user retention in SQL?
#Cohort Analysis
#Retention
Data Analyst
•
Coding
•
medium
Write a SQL query to calculate month-over-month revenue growth.
#Revenue
#Growth Analytics
Data Analyst
•
Technical
•
medium
How do you handle timezone conversions in SQL analytics?
#Timezones
#Analytics
Data Analyst
•
Technical
•
easy
Explain the difference between a HAVING clause and a WHERE clause.
#SQL Basics
Data Engineer
•
Coding
•
medium
Write a SQL query to calculate the rolling 7-day average of daily video views per category on YouTube, ensuring days with zero views are still accounted for in the average.
#Window Functions
#Aggregation
#Rolling Averages
Data Engineer
•
Coding
•
medium
Write a SQL query to find the top 3 highest-grossing apps in each region, but only include regions that have at least 100 active apps.
#CTEs
#Window Functions
#Filtering
Data Engineer
•
Coding
•
medium
Write a SQL query to find the second highest salary per department.
#Window Functions
#SQL
Data Engineer
•
Coding
•
medium
Write a SQL query to compute a 7-day rolling average of daily sales.
#Window Functions
#Analytics
Data Engineer
•
Coding
•
hard
Write a SQL query to find the longest streak of consecutive days a user has logged into Google Workspace. The input table has user_id and login_date.
#Window Functions
#Gaps and Islands
#CTEs
Data Engineer
•
Technical
•
medium
Explain the difference between OLAP and OLTP systems. When would you use each?
#OLAP
#OLTP
#Databases
Data Engineer
•
Technical
•
hard
How would you optimize a SQL query that is running slowly on a 1 billion row table?
#Query Optimization
#Indexing
Data Engineer
•
Technical
•
medium
Explain the difference between RANK(), DENSE_RANK(), and ROW_NUMBER().
#Window Functions
#SQL
Data Engineer
•
Technical
•
medium
What is a materialized view? How does it differ from a regular view?
#Materialized Views
#Performance
Data Engineer
•
Technical
•
medium
What are CTEs (Common Table Expressions) and how do they differ from subqueries?
#CTEs
#SQL
Data Scientist
•
Coding
•
medium
Write a query to identify duplicate records and deduplicate them.
#Deduplication
#Data Quality
Data Scientist
•
Coding
•
hard
How would you write a funnel analysis query in SQL?
#Funnel
#Analytics
Data Scientist
•
Coding
•
hard
Write a SQL query to calculate 30-day user retention.
#Retention
#Analytics
Data Scientist
•
Technical
•
easy
Explain the difference between INNER JOIN, LEFT JOIN, and CROSS JOIN.
#Joins
#SQL
Product Manager
•
Coding
•
easy
Write a SQL query to find the top 3 most watched YouTube video categories in the last 30 days, given a 'views' table and a 'videos' table.
#SQL
#Data Analysis
#YouTube
Software Engineer
•
Technical
•
medium
Given two tables: `search_logs` (query_id, user_id, query_string, timestamp, region) and `clicks` (query_id, url_clicked, rank_position), write an optimized SQL query to find the top 3 queries with the highest click-through rate in the 'US' region over the last 7 days, partitioned by day.
#Window Functions
#Joins
#Aggregations
#Performance Optimization
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.