Concentrix Corporation Senior Software Engineer Interview Questions and Answers

Q1. Questions regarding React.js, TypeScript, GraphQL pure component, hooks, useEffect vs useLayoutEffect, portals in react, how do you make API calls, What are ref in React, error handling in react how to ove...read more
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Q2. Small machine coding assignment to solve in online IDE fetch data from API & show the results also provide search input box at top where user can search items.
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Q1. How do you create GQL server, directive in GQL, Fragments in GQL how do you write unit tests for gql Queries/mutations (on the server side) TypeScript: Partial, Decorators, unions, Generics useCallback vs ...read more
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Answering questions related to creating GQL server, directives, fragments, unit tests, TypeScript features, and React.js functionalities.
• To create a GQL server, you can use tools like Apollo Server or Express with GraphQL middleware.

• Directives in GQL are used to modify the behavior of a field or fragment in a query. For example, @include and @skip are common directives.

• Fragments in GQL allow you to define reusable unit...read more
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Q2. React Router & Authentication using jwt
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React Router is used for client-side routing in React applications. JWT is used for authentication by generating tokens for secure communication.
• React Router is a library that allows for declarative routing in React applications

• Authentication using JWT involves generating a token on the server and sending it to the client for subsequent requests

• JWT tokens typically contain information about the user and are signed to e
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Q1. 2 people took the interview & it took 1 hour 15 mins 1. Array based question on sorting & merging 2. array based easy question 3. sorting related question (medium level)
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Q1. How will you select the unique data
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Select unique data using SQL DISTINCT keyword
• Use SQL DISTINCT keyword to retrieve unique data from a table

• Specify the column name after SELECT keyword to get unique values from that column

• For example, SELECT DISTINCT column_name FROM table_name;
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Q1. Tell me about yourself?
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Q2. Introduction round about yourself
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Q3. About work experience in past company
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Q1. All questions ask about core Javascript
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Q1. Practical question like settimeout method example or write small code to match outlines
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Q1. Core Java/Java 8 - Collection, Stream API, Method Reference, Framework- Spring basics, Struts2, Hibernate Database - Oracle
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