Onsite : 4 interviews

1. System Design

Design a Review and Reward system for DD

• User/Customer should be able to post review for a particular item within a menu for a particular merchant.
• Other users should be able to upvote/downvote a review posted by a customer
• User/Customer will get reward based on the "quality" of the review

2. Coding https://leetcode.com/problems/maximum-profit-in-job-scheduling/description/?envType=company&envId=doordash&favoriteSlug=doordash-thirty-days (Some variation, where a Dasher has a list of deliveries, with [start, end, pays] for a day, and they need to generate maximum profit)

3. Coding https://leetcode.com/problems/implement-trie-prefix-tree/description/ , Given a list of restaurant names ["panda express", "panera bread"] , build a search engine for doordash which returns k restaurant names (in any order)

4. HM interview, Amazon style leadership interview