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Software Engineer 2 Interview Questions

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2,528 software engineer 2 interview questions shared by candidates

1. List ,Tuple , Set, Dictionary, Passbyvalue and Passbyrefernce ,types of Inheritance, multi-threading, generators, list comprehension, Sql, constraints, joins. 2. Character Frequency Encoding ("i/p="hello world"; o/p ="h1e1l302w1o1r1d1")
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Developer-2 Python

Interviewed at Siemens

4.1★
Jul 9, 2024

1. List ,Tuple , Set, Dictionary, Passbyvalue and Passbyrefernce ,types of Inheritance, multi-threading, generators, list comprehension, Sql, constraints, joins. 2. Character Frequency Encoding ("i/p="hello world"; o/p ="h1e1l302w1o1r1d1")

Implement APIs on hackerrank. Almost all the code was already there and some other APIs were already implemented. Question was about implementing two more APIs with 1 or 2 filters related to hotel and their distances with city center.
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Software Engineer 2

Interviewed at Booking Holdings

4★
Aug 15, 2025

Implement APIs on hackerrank. Almost all the code was already there and some other APIs were already implemented. Question was about implementing two more APIs with 1 or 2 filters related to hotel and their distances with city center.

System Design - interviewers had a very old photostat of a photostat (just like some old Indian govt forms) which had the question. Taken by 2 engineers vising from their Netherland office. Design a credit card fraud detection system. Check card details in each new incoming booking as well as all old active bookings. Bank provide a 3rd party api which returns the list of fraud credit cards.
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Software Engineer 2

Interviewed at Booking Holdings

4★
Aug 15, 2025

System Design - interviewers had a very old photostat of a photostat (just like some old Indian govt forms) which had the question. Taken by 2 engineers vising from their Netherland office. Design a credit card fraud detection system. Check card details in each new incoming booking as well as all old active bookings. Bank provide a 3rd party api which returns the list of fraud credit cards.

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