Petrolabs India Private Interview Questions and Answers

Aptitude Test + Mini Case

12 Problems based on Excel data

Q1. Power Day: 2 Case Interviews + 1 Product Interview
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Code signal , SQL python questions

Take home coding assignment - 10 days analysis and recommendations

Q1. 4 rounds - 1 behavioralm 2 case studies 1 presentation
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Q1. Leetcode style question on summing 2 numbers
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Modify and explain code

Q1. Popular system design question
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Q1. Tell me about a time when...
Ans. 
I successfully led a team project to develop a new feature for our company's website.
• Assigned tasks to team members based on their strengths and skills

• Held regular meetings to track progress and address any issues

• Collaborated with other departments to gather requirements and feedback

• Completed the project on time and within budget
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There was a hacker rank assignment

Leetcode style question, medium

Quant focussed Case Study (be prepared for calculations)

Q1. Why are you looking for a change?
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There's a short technical multiple questions in the first round.

There's a short case interview. it's one-on-one case and it last for about 45 minutes.

DSA coding round.
Graph based question, dp question.

Q1. 1. design service to download big file
Ans. 
Design a service to download large files.
• Use a scalable architecture to handle large file downloads.

• Implement resumable downloads to handle network interruptions.

• Use parallel downloading to speed up the download process.

• Implement authentication and authorization to ensure security.

• Provide progress updates to the user during the download process.
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Q1. Java based questions Spring beans
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Q1. You should have a good Cv.
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Q2. I shared my Previous experience.
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