Wasserstoff Interview Questions and Answers

Q1. End to end architecture of current project
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Q2. Basic spark code to read & write files
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Q3. How to upsert data in table in spark
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Q4. How do you handle sudden increase in data volume
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Q5. Discussion on delta tables & ACID transactions
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Q6. Explain autoloader and use case in Databricks
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Q7. SQL question using window functions Lead, row number
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Q8. Python question using hashmap & String
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Q1. Current project understanding end to end
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Q2. Data pipeline design for a ride sharing company, ask bunch of follow up questions on the conclude a particular design.
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Q3. Explain how you follow SDLC(Agile, waterfall) ?
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Q4. Why are you looking for a change now
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Q1. Basic introductions
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Q2. What kind of work are you looking for? what do you know about the company
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Q3. Willing to relocate?
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Q4. Personal hobbies and aspirations
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Q1. Find a number in array which is greater than left and right element
Ans. 
Iterate through array and check if element is greater than its adjacent elements
• Iterate through array and check if current element is greater than element at index-1 and index+1

• Return the first element found that satisfies the condition

• Handle edge cases where element is at the beginning or end of array
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Q2. Find the number in the string and return the sum of numbers
Ans. 
Find and sum numbers in a string
• Iterate through each character in the string

• Check if the character is a digit

• If digit, convert to integer and add to sum
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Q1. What is your experience in sales?
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Q2. What was your target, and how frequently did you achieve it?
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Q3. What are your expectations for working here at the company?
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The assignment round consisted of two parts: the first part involved researching their company, writing a pitch, and identifying the appropriate personas, while the second part required me to pitch a product from my previous company and record the presentation.

Q1. How was your interview so far?
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Q2. What are your salary expectations?
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Mintu Babu lives in a smaller house than her brother and in a larger house than her parents. Her children reside with her, and she has no other relatives. If Mintu Babu's relative U lives in a larger house than her relative S, then all the following may be true except: \n\n1) S is U's father \n\n2) S is U's mother \n\n3) U is younger than S \n\n4) S is younger than U

Q1. 1. merge two linked list
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Q2. 2. reverse a linked list.
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It included mcqs and multiple coding questions.

Q1. Yours technical skillls related questions
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Q2. Managerial questions
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