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Software Engineer 1 Interview Questions

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3,932 software engineer 1 interview questions shared by candidates

1 st round -> greater element than the target in an sorted array(Impement upper_bound) Nearest zero to one in binary matrix (multisource bfs) good questions on runtime and complile time polymorphism and string pool and string literal. 2nd round :- equibrillium idx of an array left sum== right sum. Height balanced Binary tree Number of islands Core java questions on static and polymorphism , basic spring boot questions, Query param vs path variable HAteos,etc. 3rd round :- Deep project discussion , scaling of APplications, justify the optimisation in the past projects.
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Software Development Engineer (SDE) -1

Interviewed at Pine Labs

3.8★
Jan 29, 2024

1 st round -> greater element than the target in an sorted array(Impement upper_bound) Nearest zero to one in binary matrix (multisource bfs) good questions on runtime and complile time polymorphism and string pool and string literal. 2nd round :- equibrillium idx of an array left sum== right sum. Height balanced Binary tree Number of islands Core java questions on static and polymorphism , basic spring boot questions, Query param vs path variable HAteos,etc. 3rd round :- Deep project discussion , scaling of APplications, justify the optimisation in the past projects.

The interview mainly focused on: Python fundamentals Object-Oriented Programming (OOPs) concepts Data structures and algorithms PySpark internals (how it works behind the scenes) Data pipeline design based on scenario's for batch and streaming processing Writing code in SQL, PySpark, and Python One of the coding questions was about grouping anagrams in Python. During the interview, it was emphasized that when solving problems, you shouldn’t just write code directly. Instead, you should explain your thought process - Why you are choosing a particular approach What the next step is and why it makes sense How your solution handles edge cases or scales So the expectation was not only to provide the solution but also to walk through the reasoning step-by-step.
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Data Engineer (Grade 1)

Interviewed at bp

3.8★
Sep 10, 2025

The interview mainly focused on: Python fundamentals Object-Oriented Programming (OOPs) concepts Data structures and algorithms PySpark internals (how it works behind the scenes) Data pipeline design based on scenario's for batch and streaming processing Writing code in SQL, PySpark, and Python One of the coding questions was about grouping anagrams in Python. During the interview, it was emphasized that when solving problems, you shouldn’t just write code directly. Instead, you should explain your thought process - Why you are choosing a particular approach What the next step is and why it makes sense How your solution handles edge cases or scales So the expectation was not only to provide the solution but also to walk through the reasoning step-by-step.

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