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Software Developer Iii Interview Questions

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1,276 software developer iii interview questions shared by candidates

Round 1 - Basic python coding questions like: Fibonacci, find missing number in unsorted list having 1-100, find unique characters in a string and no. of their occurrences, Decorators, Threads Round 2 - System Design Design a class Bank having two function to credit and debit account of a given account number. This is tougher than it seems as one has to guess the edge cases and it might be difficult to understand in which line the interviewer is expecting you to plan these algo.
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Software Engineering III - Python Developer

Interviewed at J.P. Morgan

3.9★
Sep 5, 2023

Round 1 - Basic python coding questions like: Fibonacci, find missing number in unsorted list having 1-100, find unique characters in a string and no. of their occurrences, Decorators, Threads Round 2 - System Design Design a class Bank having two function to credit and debit account of a given account number. This is tougher than it seems as one has to guess the edge cases and it might be difficult to understand in which line the interviewer is expecting you to plan these algo.

They asked me to write a piece of code that would fetch data from an external source and then process that data into a structured format (csv). The task involved not only retrieving the data but also transforming and organizing it, selecting the relevant fields, cleaning or formatting values if necessary, and ensuring the final CSV could be easily read.
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Software Development Engineer III

Interviewed at GoCardless

3.7★
Oct 10, 2025

They asked me to write a piece of code that would fetch data from an external source and then process that data into a structured format (csv). The task involved not only retrieving the data but also transforming and organizing it, selecting the relevant fields, cleaning or formatting values if necessary, and ensuring the final CSV could be easily read.

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