Principal Software Engineer Interview Experience - United States
Process
Had 5 rounds of interviews for Principal Software Engineer, primarily focused on architecture, design, and leadership.
Had 2 rounds of coding focused on problem-solving and critical thinking.
Questions were on real problems faced by the DoorDash engineering team, which helped put into perspective what level of problems I could expect at what scale.
Questions
How will you build a recommendation system for someone who has newly become a DoorDash customer?
How will you quickly evolve the system to ensure its relevance to the customer?
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Interview Statistics
The following metrics were computed from 3 interview experiences for the DoorDash Principal Software Engineer role in United States.
Success Rate
DoorDash's interview process for their Principal Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very good feelings for DoorDash's Principal Software Engineer interview process in United States.
DoorDash Work Experiences
- 1.0Bloated IPO, bad team management, lack of diversity, and lack of passionPrincipal Software Engineer • Former EmployeeDecember 11, 2020Pros: Some people are nice and made some great friendships here. But most of the people who came from Amazon brought bad culture with them.Cons: Bad team management. Lack of diversity and inclusion. Folks are just there till their money vests.
- 1.0Worst Job And CompanyAerospace Engineer • Former EmployeeBurien, Washington, United StatesNovember 4, 2025Pros: Stupid, worst job and company.Cons: Worst consent to work for.
- 3.0Nice People, Boring WorkML intern • Former EmployeeSunnyvale, California, United StatesNovember 2, 2025Pros: Good people. Nice office. Flexible WFH.Cons: Boring work Low pay Lack of transparency during offer stages
DoorDash Interview Questions
