Uber

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4 questions

Python · 2PySpark · 2

Status	Title	Technology	Topic	Acceptance	Difficulty
○	7.Flatten nested JSON into a fact table	Python	Data modeling	37.5%	Medium
○	22.Merge overlapping time ranges	Python	Aggregation	100.0%	Medium
○	86.Quarantine the records that will not parse	PySpark	JSON Handling	—	Medium
○	90.Day-1 and day-7 retention by cohort	PySpark	Window functions	—	Medium

Community-reported interview topics. Not official Uber questions and no affiliation is implied.