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DoorDash India
Practice questions for the skills this job lists, plus common questions for any interview. These are for practice: we don’t know the employer’s actual questions.
What is the difference between a list and a tuple, and when would you use each?
Python
How do generators work, and why would you use one over a list?
Python
Write a query for the second-highest salary in each department.
SQL
Explain the difference between INNER, LEFT and FULL joins with an example.
SQL
How do you detect and handle overfitting?
Machine learning
Explain precision and recall, and when you'd optimise for each.
Machine learning
When would you use XLOOKUP or INDEX/MATCH, and how do pivot tables help summarise data?
Excel
Tell me about a dataset you cleaned. What problems did you find?
This kind of role
How would you explain a model's result to a non-technical manager?
This kind of role
What do you know about DoorDash India's products and customers?
DoorDash India
Tell me about yourself in two minutes, focused on this role.
About you
Why this company, and why this role?
About you
Tell me about a time you disagreed with a teammate. What happened?
About you
Describe a time you failed or missed a deadline, and what you changed afterwards.
About you