DoorDash Interview Guide

Company Overview: DoorDash is the leading food delivery platform in North America. The company focuses on last-mile logistics, connecting consumers, merchants, and dashers through sophisticated technology.

Interview Process

Timeline: 3-5 weeks

1. Recruiter Screen (30 min)
2. Technical Screen (45-60 min) – One coding problem
3. Onsite (4-5 rounds, 4 hours)
   • 2 coding rounds (45 min each)
   • 1 system design (45 min) – for senior roles
   • 1 analytical/product sense (45 min)
   • 1 behavioral/leadership (45 min)

Question Difficulty

• Coding: Medium (75%), Medium-Hard (25%)
• Focus: Algorithms, data structures, real-world problems
• Common Topics: Graphs (delivery routing), trees, dynamic programming, system design

Common Questions

Coding:

• Design routing algorithm for deliveries
• Calculate delivery time estimates
• Implement order matching system
• Find nearest available dashers
• Optimize delivery batching

System Design:

• Design DoorDash platform
• Design real-time tracking system
• Design surge pricing system
• Design restaurant recommendation engine

Preparation

• Technical: 6-8 weeks, 75-100 LeetCode problems
• Focus: Graphs (Dijkstra, A*), trees, geospatial algorithms
• System Design: Study marketplace systems, real-time tracking
• Use DoorDash: Understand the product deeply

Salary (San Francisco)

• SWE: $140-180K base, $180-250K total
• Senior SWE: $180-240K base, $280-400K total
• Staff: $240-320K base, $450-650K total

Culture & Benefits

• Fast-paced: Startup mentality despite size
• Impact: Work directly affects millions of deliveries
• Perks: DoorDash credits, comprehensive benefits
• WFH: Hybrid model, flexible

Tips

• ✓ Understand marketplace dynamics
• ✓ Think about real-world delivery challenges
• ✓ Emphasize customer and dasher experience
• ✓ Show interest in logistics and operations

Difficulty: 4/5 | Best for: Engineers interested in logistics, marketplaces, and high-growth companies.