An onsite HR contacted me, then an HR from Chennai contacted me and had a phone screening. Then After 2 3 weeks, I got mail for screening, it was a hacker rank test, it had 4 MCQs based on time complexity, two programming questions, and one was Tree In Order Traversal. Then I had another technical interview, I was asked questions on SQL and Python, and given problems to solve. Studying time complexity and how to tell a time complexity of a problem, is very crucial. Storage complexity also helps. Then 3 interviews were scheduled on the same day, first round was again technical, two questions were asked, one on SQL and another on Python to program. Then cross-functional interview, a person from a different domain(Web development) asked questions on OOPs and general questions then asked me to program 3 python problems and reduce time complexity. The final round was with the director of data India, he asked a few questions on cloud and asked me to solve an SQL query, which I did and another question was about a Matrix rotation ish.
Software Engineer Data Interview Questions
415 software engineer data interview questions shared by candidates
Some LC easy questions about arrays. SQL & data modeling skill assessments
How many times have you visited customer site during your 5 years stay in current company?
Will not reveal technical questions, but know your algorithms.
How does your experience align with the role at Lumiphase?
Coding to find medium in a list of number.
They asked me to analyze security risks and access control challenges regarding a Cloud Service from an enterprise perspective. It was both system design and real-world threat modeling.
2. Explain Mapreduce concepts , Write a map reduce program for word count and explain the process.
1. Explain topics on Classes on java, Multi threading, concepts on multi threading, synchronized methods.
3.Write a map reduce program in java and explain the big 'o' notation for it.
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