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6,412 python engineer interview questions shared by candidates

HackerRank LeetCode medium: Longest Consecutive Sequence LeetCode medium: another array/hashmap-style problem SQL query question HR Call Why do you want to join Revolut? General behavioural / motivation questions Technical Interview (1 hour) Coding (≈30 mins) Implement a set without using: hash tables trees built-in set data structure Write test cases for your implementation Software Engineering / Theory (≈30 mins) SOLID principles Decorators Generators Object-Oriented Programming concepts Database transactions Race conditions and concurrency handling Previous Interview Cycle Technical Round 1 Build a simplified URL shortener using a hashmap Write test cases Technical Round 2 Design a class to handle currency transfers between bank accounts Handle precision correctly (decimals vs integer cents) Database concepts Locking mechanisms Explain why your concurrency approach works
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Graduate Software Engineer (Python)

Interviewed at Revolut

4.1★
Jan 4, 2026

HackerRank LeetCode medium: Longest Consecutive Sequence LeetCode medium: another array/hashmap-style problem SQL query question HR Call Why do you want to join Revolut? General behavioural / motivation questions Technical Interview (1 hour) Coding (≈30 mins) Implement a set without using: hash tables trees built-in set data structure Write test cases for your implementation Software Engineering / Theory (≈30 mins) SOLID principles Decorators Generators Object-Oriented Programming concepts Database transactions Race conditions and concurrency handling Previous Interview Cycle Technical Round 1 Build a simplified URL shortener using a hashmap Write test cases Technical Round 2 Design a class to handle currency transfers between bank accounts Handle precision correctly (decimals vs integer cents) Database concepts Locking mechanisms Explain why your concurrency approach works

1.What is pickling and unpickling? 2.How memory is managed in Python? 3.What are the tools that help to find bugs or perform static analysis? 4.What is the difference between list and tuple? 5. What are the built-in type does python provides?

Python Developer

Interviewed at Develop Dreamz Industries

1.9★
Sep 23, 2016

1.What is pickling and unpickling? 2.How memory is managed in Python? 3.What are the tools that help to find bugs or perform static analysis? 4.What is the difference between list and tuple? 5. What are the built-in type does python provides?

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