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1st phone interview 1. LRU cache implementation.Followup question related to implementation. 2. API related question that is not clear to me. 2nd Phone Interview three input line for credit card transaction and implement method for transaction such as charge against available balance, add amount in credit card balance. Interviewer didnt tell me what he is expecting. I tried to design model class and implement the method for transaction type.
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Senior Software Engineer

Interviewed at Marqeta

3.5★
Sep 24, 2019

1st phone interview 1. LRU cache implementation.Followup question related to implementation. 2. API related question that is not clear to me. 2nd Phone Interview three input line for credit card transaction and implement method for transaction such as charge against available balance, add amount in credit card balance. Interviewer didnt tell me what he is expecting. I tried to design model class and implement the method for transaction type.

1. Design a system, like eBay where the third-party vendor can register their goods. While placing the order make sure the order reaches the supplier in real time. 2. Write code to execute a particular piece of code in an async manner periodically. 3. Determine If the string is Palindrome. 4. Determine how may substring is palindrome in a String aabbac => a,a,b,b,a,c,aa,abba,bb
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Senior Software Development Engineer

Interviewed at Coupang

3.3★
Jun 3, 2018

1. Design a system, like eBay where the third-party vendor can register their goods. While placing the order make sure the order reaches the supplier in real time. 2. Write code to execute a particular piece of code in an async manner periodically. 3. Determine If the string is Palindrome. 4. Determine how may substring is palindrome in a String aabbac => a,a,b,b,a,c,aa,abba,bb

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