ThoughtSpot Senior Software Developer Interview Questions and Answers

It was basic test. online.

2 questions on arrays. online.

The general topic. Be point to point

Q1. SQL and Python questions. online. screen sharing
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Medium to hard questions based on arrays, dp

Q1. Quick sort algorithm
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
• Divides array into smaller sub-arrays based on a pivot element

• Recursively sorts sub-arrays

• Combines sorted sub-arrays to get final sorted array

• Time complexity: O(n log n) on average, O(n^2) worst case

• Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]
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Q2. Modified rotate a matrix
Ans. 
Rotate a matrix by 90 degrees in place
• Transpose the matrix

• Reverse each row of the transposed matrix
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Q1. DSA problems on linked list, OOPs in depth programming, design pattens in Java. Some theoretical knowledge on OOPs and design patterns
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Q1. JavaScript based, reduce, map, Database indexing
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There were 4 sections-
1.Big data-some multiple choice questions
2.Python-2 basic programming questions
3.SQL-4 case questions on SQL queries
4.Pyspark-Basic multiple choice questions

Same as round 1 but there were no multiple choice questions,it was a subjective paper where they check your thought process and your approach.

Q1. Technical interview was based on -Your project discussion -Big data terminologies,Spark framework,working and architecture -Some case study questions and how you could have optimized it. -SQL basic querie...read more
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Q1. Share details of your previous job.
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Q2. Why are you looking for a change?
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Q3. What are your salary expectations?
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Q4. Tell me about yourself.
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