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
•
Technical
•
hard
Design a relational data model for a new NFT marketplace. Then, write a query to find the highest-grossing NFT collection of the week.
#Schema Design
#Foreign Keys
#Joins
Data Engineer
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Technical
•
medium
Design a relational data model for a cryptocurrency exchange order book, including tables for users, orders, and executions.
#Schema Design
#RDBMS
#Normalization
Data Engineer
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Technical
•
hard
Design a dimensional model (star schema) for tracking NFT mints and secondary market sales for Coinbase NFT.
#Star Schema
#Data Warehouse
#Fact/Dimension Tables
Data Engineer
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Technical
•
medium
How would you handle slowly changing dimensions (SCD Type 2) for user KYC (Know Your Customer) status changes in a data warehouse?
#SCD
#Data Warehouse
#ETL
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.