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2,049 principal software engineer interview questions shared by candidates

Coding challenge was in Java. Had to sort a data structure and write a comparator. Full Stack interview you just explain how a request response flow works beginning to end and how auth works, etc. Systems Design you design REST APIs (no code) through white-boarding.
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Principal Software Engineer

Interviewed at Atlassian

3.2★
Apr 23, 2024

Coding challenge was in Java. Had to sort a data structure and write a comparator. Full Stack interview you just explain how a request response flow works beginning to end and how auth works, etc. Systems Design you design REST APIs (no code) through white-boarding.

Given some files with size and collection, design a file system that generates a summary like the total size per collection for top k collections. https://leetcode.com/discuss/interview-question/1508471/code-design-file-processing-scenario
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Principal Software Engineer

Interviewed at Atlassian

3.2★
Aug 16, 2023

Given some files with size and collection, design a file system that generates a summary like the total size per collection for top k collections. https://leetcode.com/discuss/interview-question/1508471/code-design-file-processing-scenario

Given a database of flights from source and destination, time taken and price. Source Destination Price Time Airlines Delhi Mumbai 5000 120 min Indigo Mumbai Chennai 3000 60 min Indigo Mumbai Blr 2500 60 min Vistara Delhi Blr 6000 160 min Vistara Blr Chennai 1500 45 min Vistara List all flights as per provided criteria, and the ability to sort by price and time. Eg. Delhi to Chennai can be 2 routes costing 8000 (180 min) and 7500 (205 min)
avatar

Principal Software Engineer

Interviewed at Informatica

4.1★
Jul 11, 2024

Given a database of flights from source and destination, time taken and price. Source Destination Price Time Airlines Delhi Mumbai 5000 120 min Indigo Mumbai Chennai 3000 60 min Indigo Mumbai Blr 2500 60 min Vistara Delhi Blr 6000 160 min Vistara Blr Chennai 1500 45 min Vistara List all flights as per provided criteria, and the ability to sort by price and time. Eg. Delhi to Chennai can be 2 routes costing 8000 (180 min) and 7500 (205 min)

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