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I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
Developed a web application for online shopping with microservices architecture using Node.js, Express, MongoDB, and React.
Implemented microservices architecture to improve scalability and maintainability
Used Node.js and Express for backend development
Utilized MongoDB for database management
Implemented React for frontend development
Implemented business logic for user authentication, product management, and order proces
I have used the Singleton, Factory, and Observer design patterns in my projects.
Singleton pattern: Used to ensure a class has only one instance and provides a global point of access to it. For example, I implemented a Logger class as a Singleton to manage logging throughout the application.
Factory pattern: Used to create objects without specifying the exact class of object that will be created. For instance, I used a F...
Use LINQ queries to retrieve order id and list of products based on latest project.
Use OrderByDescending to get the latest project first
Join Order and Product tables on OrderId
Select OrderId and list of Products
Use SQL query with ORDER BY and LIMIT to get 2nd largest salary.
Use SELECT statement to retrieve salary column
Use ORDER BY clause to sort salaries in descending order
Use LIMIT 1,1 to get the second row
I applied via Naukri.com and was interviewed before May 2020. There were 3 interview rounds.
I applied via Naukri.com
posted on 24 Oct 2024
DSA - STRING AND ARRAY QUESTION
I applied via Naukri.com and was interviewed in Oct 2021. There was 1 interview round.
I applied via Referral and was interviewed in Aug 2022. There were 2 interview rounds.
I applied via Campus Placement
They asked few aptitude and 2 coding. 1 basic level coding and 1 advanced.
I applied via Company Website and was interviewed before Apr 2023. There was 1 interview round.
Some of the top questions asked at the EPAM Systems Backend Developer interview -
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