The DoorDash Software Engineer E4 interview process is designed to assess a candidate's technical proficiency, problem-solving abilities, and cultural fit within the company. It typically involves multiple rounds, including technical interviews, a system design interview, and a behavioral interview. The process aims to evaluate a candidate's ability to design, build, and maintain scalable and reliable software systems, as well as their collaboration and communication skills.
Rounds·4
Timeline·~14d
Experience·3 - 7 yrs
Comp band·US$130000 - US$170000
Interview time·195 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 04 phases
01 / 04Phase 01 of 04
Weeks 1-2: DSA fundamentals and practice.
Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, trees, graphs, hash tables, heaps, sorting, searching, dynamic programming, and graph traversal algorithms. Practice coding problems related to these topics on LeetCode.
Phase 02 of 04
Weeks 3-4: System Design principles and practice.
Weeks 3-4: Dive into System Design. Study concepts like scalability, availability, reliability, load balancing, caching, databases (SQL vs. NoSQL), message queues, and microservices architecture. Review common system design interview questions and practice designing systems.
Phase 03 of 04
Week 5: Behavioral preparation using STAR method.
Week 5: Prepare for Behavioral and Situational Questions. Reflect on your past experiences and prepare stories using the STAR method that demonstrate leadership, teamwork, problem-solving, and adaptability. Align your answers with DoorDash's core values.
Phase 04 of 04
Week 6: Mock interviews and final review.
Week 6: Mock Interviews and Review. Conduct mock interviews with peers or mentors to get feedback on your technical and behavioral responses. Review any weak areas identified during practice and refine your answers.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Technical Interview (Coding) · 45 min · Software Engineer
This round focuses on your fundamental programming skills. You will be asked to solve coding problems that test your knowledge of data structures and algorithms. The interviewer will assess your ability to write efficient and correct code, as well as your approach to problem-solving and your communication skills.
What they look for
Evaluation
Sample questions
Given an array of integers, return indices of the two numbers such that they add up to a specific target.
Reverse a linked list.
Find the kth smallest element in a binary search tree.
Implement a queue using two stacks.
Prep for this round
Common rejection reasons
System Design Interview · 60 min · Senior Software Engineer / Engineering Manager
This round assesses your ability to design large-scale, distributed systems. You will be given an open-ended problem, and you'll need to design a system that meets specific requirements. The interviewer will evaluate your understanding of scalability, reliability, performance, and trade-offs.
What they look for
Evaluation
Sample questions
Design a system to shorten URLs.
Design a news feed system similar to Facebook or Twitter.
Design a system for real-time analytics of user activity.
Design a distributed cache system.
Prep for this round
Common rejection reasons
Behavioral Interview · 45 min · Hiring Manager / Senior Team Member
This round focuses on your past experiences and how they relate to the role and DoorDash's culture. You'll be asked behavioral questions that require you to provide specific examples using the STAR method. The interviewer wants to understand your work style, how you handle challenges, and your potential fit within the team.
What they look for
Evaluation
Sample questions
Tell me about a time you had to work with a difficult colleague.
Describe a situation where you failed. What did you learn from it?
Tell me about a time you took initiative to improve a process.
How do you prioritize your work when you have multiple competing deadlines?
Prep for this round
Common rejection reasons
Managerial / Hiring Manager Interview · 45 min · Hiring Manager
This is typically the final round with the hiring manager. They will assess your overall fit for the team and the role, discuss your career aspirations, and answer any remaining questions you may have. This is also an opportunity for you to gauge if the team and role are a good match for you.
What they look for
Evaluation
Sample questions
What are your strengths and weaknesses as an engineer?
Why are you interested in DoorDash and this specific role?
Where do you see yourself in 5 years?
What kind of work environment do you thrive in?
Prep for this round
Common rejection reasons
DSA
Frequently reported on DoorDash loops
Other guides
