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 Engineer
•
Coding
•
medium
Write a SQL query to find the top 3 sales representatives per region based on total closed-won Opportunity amounts in the current fiscal year.
#Window Functions
#Aggregation
#Joins
Data Engineer
•
Coding
•
medium
Given a table of daily API requests per Salesforce tenant, write a SQL query to calculate the rolling 7-day average of API requests for each tenant.
#Window Functions
#Time Series Data
Data Engineer
•
Coding
•
easy
Write a SQL query to identify all Accounts that have had no active Contacts or logged activities in the last 6 months.
#LEFT JOIN
#Filtering
#Date Functions
Data Engineer
•
Coding
•
hard
Write a SQL query to implement Slowly Changing Dimensions (SCD) Type 2 for Account billing addresses. How do you close out the old record and insert the new one?
#Data Warehousing
#SCD Type 2
#Window Functions
Data Engineer
•
Coding
•
hard
Write a SQL query to find the median Opportunity amount per industry. You cannot use built-in median functions.
#Math Functions
#Window Functions
Data Engineer
•
Coding
•
medium
Write a SQL query to calculate the cumulative sum of revenue per month, partitioned by product line.
#Window Functions
#Aggregation
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.