DoorDash Senior Data Engineer Interview Preparation Guide
Data Engineer
Doordash
Senior
7 rounds
Updated 11/22/2025
DoorDash's Data Engineer interview process is designed to evaluate technical depth, system design capabilities, business context understanding, and collaboration skills for senior-level practitioners. The process combines phone-based technical assessments with comprehensive on-site rounds covering SQL optimization, distributed systems architecture, real-time data pipeline design, and behavioral competencies. Senior candidates are expected to demonstrate advanced expertise in data systems design, the ability to mentor junior engineers, and influence on technical strategy.
Interview Rounds
1
Recruiter Screening
30 min4 focus topicsculture fit
2
Technical Phone Screen - SQL & Python ETL
75 min5 focus topicstechnical
3
Onsite Round 1 - Data Pipeline Design & Case Study
90 min5 focus topicssystem design
4
Onsite Round 2 - Advanced SQL & Query Performance Tuning
90 min5 focus topicstechnical
5
Onsite Round 3 - Real-Time Data Systems Architecture
90 min5 focus topicssystem design
6
Onsite Round 4 - Data Governance, Scalability & Advanced Architecture
90 min4 focus topicssystem design
7
Onsite Round 5 - Behavioral & Technical Leadership
60 min5 focus topicsbehavioral
Additional Information