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Junior Software Engineer Interview Questions

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6,774 junior software engineer interview questions shared by candidates

1.Second largest element in array.(code) 2.climbing stairs(dp aproach and code) 3.ML concepts(precision ,recall,f1 score). 4.Draw high level system design of your project. 5.How would you design you would not get transfermer model and cosin similarit. 5.Imlement all DDL,DML,DCL. 6.Explain 4 pillors of oops. 7.What is cursor in sql and python. 8.Explain RNN. 9.How cosine similarity works. 10.Some questions on git.
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Junior Software Engineer

Interviewed at EPAM Systems

4★
Nov 18, 2025

1.Second largest element in array.(code) 2.climbing stairs(dp aproach and code) 3.ML concepts(precision ,recall,f1 score). 4.Draw high level system design of your project. 5.How would you design you would not get transfermer model and cosin similarit. 5.Imlement all DDL,DML,DCL. 6.Explain 4 pillors of oops. 7.What is cursor in sql and python. 8.Explain RNN. 9.How cosine similarity works. 10.Some questions on git.

In the interview, one of the main things they asked me was to explain a project I had worked on in detail. They wanted to know how I approached the problem, what technologies I used, and how I handled errors or challenges during development. They were mainly checking my understanding of the logic behind the project and whether I could clearly explain my thought process.
avatar

Junior Software Engineer

Interviewed at EPAM Systems

4★
Nov 28, 2025

In the interview, one of the main things they asked me was to explain a project I had worked on in detail. They wanted to know how I approached the problem, what technologies I used, and how I handled errors or challenges during development. They were mainly checking my understanding of the logic behind the project and whether I could clearly explain my thought process.

OOP and DB concepts (SOLID, ACID, What is a transaction?, What inversion of control means?). How Spring boot works? (bean factory, types of beans, How spring handled requests?). Java in general (Streams , Generics, Collection interface, garbage collector). Cooding questions ( easy HashSet problems)
avatar

Junior Software Engineer

Interviewed at EPAM Systems

4★
May 26, 2024

OOP and DB concepts (SOLID, ACID, What is a transaction?, What inversion of control means?). How Spring boot works? (bean factory, types of beans, How spring handled requests?). Java in general (Streams , Generics, Collection interface, garbage collector). Cooding questions ( easy HashSet problems)

They asked me to write an algorythm on a whiteboard to solve the coin change problem (use the least coins possible to pay) and i had to walk with them through my code and work out the different ways it could have been done. I also got UML diagrams on paper and i had to briefly tell them what the diagram was about, and there were some basic questions on databases as well.
avatar

Junior Software Engineer

Interviewed at EPAM Systems

4★
Nov 4, 2016

They asked me to write an algorythm on a whiteboard to solve the coin change problem (use the least coins possible to pay) and i had to walk with them through my code and work out the different ways it could have been done. I also got UML diagrams on paper and i had to briefly tell them what the diagram was about, and there were some basic questions on databases as well.

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