As I have signed confidentiality agreement I cant share interview questions. But it was pure technical interviews and very interesting. You have to be strong professional in your occupation to get an offer.
Data Interview Questions
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AC: Python test, dataflow efficiency test, group work
What is the computational complexity of finding the most frequent word in a document?
Suppose you have a list of strings, each of which is an English sentence. # Output a dictionary out_dict that maps a key n to the list of words that occur in n different sentences. # E.g. # Input: str_list = [ “The cat ate the fish”, “The cat saw the roses”, “The roses are red” ]
case study: credit card insurance profit per customer cost of mailing $0.5, response rate 1%, average balance per month $1000, insurance charges 1% of average balance monthly, customer claim rate 5% (once insured customer files a claim, the balance will be wiped and C1 lose $1000). Question: profit per customer, graph claim rate vs response rate, graph profit vs response rate and find the response rate for maximum profit (r=1%)
A time you avoided an obstacle, A time you had to learn something new, Third one was something along the lines of: A time you had to request extra help to complete a project/task
How would you explain customer LTV in the context of eHealth
How would you address the overfitting problem?
If a plant grows twice the rate of what it grew the previous day then when will it reach half of its maturity height
The success ratio of sending messages given sent and receive table
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