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DoorDash Data Engineer Interview Preparation Guide | Mid-Level

Data Engineer
Doordash
Mid Level
6 rounds
Updated 11/22/2025

DoorDash conducts a comprehensive five-to-six stage interview process for mid-level Data Engineers, designed to evaluate technical depth in SQL and Python, system design thinking for distributed data pipelines, data modeling expertise, and cross-functional collaboration skills. The process combines recruiter screening, technical phone assessments, and multiple on-site rounds focused on real-world data infrastructure challenges. Expect questions rooted in DoorDash's core business: high-volume event streams (orders, driver pings, payments), near-real-time analytics, and hyper-local logistics infrastructure.

Interview Rounds

1

Recruiter Screening

2

Technical Phone Screen

3

On-site Round 1: Advanced SQL & Query Optimization

4

On-site Round 2: Data Pipeline Architecture & System Design

5

On-site Round 3: Data Modeling & Schema Design

6

On-site Round 4: Behavioral & Cross-functional Collaboration

Additional Information

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DoorDash Data Engineer Interview Preparation Guide | Mid-Level | InterviewStack.io