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Deliveroo

Deliveroo is an award-winning delivery service founded in 2013 by William Shu and Greg Orlowski. Deliveroo works with approximately 176,000 best-loved restaurants and grocery partners, as well as around 150,000 riders to provide the best food delivery experience in the world. Deliveroo is headquartered in London, with offices around the globe. Deliveroo operates across 9 markets, including Belgium, France, Italy, Ireland, Qatar, Singapore, United Arab Emirates, Kuwait and the United Kingdom.

Interview Questions for Deliveroo

1. Design a cron parser.

2. Design a system where a user can claim a reward only once, allowing for over-distribution but not under-distribution.

3. Describe how you would design a system to distribute 6 million burgers to customers in a highly concurrent environment.

4. Design a system to handle a flash sale of 10 million burgers for 10 minutes.

5. Design a system to give away 6 million burgers in 10 minutes.