SBS Senior Software Engineer and Lead Interview Questions and Answers

Normal logical, verbal, and quantitative ability questions.

Q1. Behavioural questions like how do you manage your team what do you do in thia or that situation
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Q1. Computer Fundamentals like OOPS,DBMS and SQL
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Q2. Questions Based on yourresume
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Hackathon on chatbot development website

Q1. OOPS basics like shallow copy deep copy
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Q2. Sorting techniques and psuedo code
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Q1. Questions on projects
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Q2. Introduction and insights of comapny
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Q1. What are closures
Ans. 
Closures are functions that have access to variables from their containing scope even after the scope has closed.
• Closures allow functions to access variables from their outer function even after the outer function has finished executing.

• They are commonly used in event handlers, callbacks, and asynchronous programming.

• Closures help in maintaining state in functional programming.
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Q2. What is virtual DOM
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Virtual DOM is a lightweight copy of the actual DOM used for efficient updates in web development.
• Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

• When changes are made to the virtual DOM, a comparison is done with the actual DOM to determine the minimal updates needed.

• This approach reduces the number of costly DOM operations, resulting in faster rende
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Q3. What are the data types in JS
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Data types in JavaScript include number, string, boolean, object, function, undefined, and null.
• Number - represents numeric data, e.g. 10, 3.14

• String - represents textual data, e.g. 'hello', '123'

• Boolean - represents true or false values, e.g. true, false

• Object - represents complex data structures, e.g. { key: 'value' }

• Function - represents executable code, e.g. function() { }

• Undefined - represents a variable that has ...read more
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Q1. Write react code for counter
Ans. 
React code for a simple counter
• Create a functional component for the counter

• Use useState hook to manage the count state

• Render the count value and buttons to increment and decrement the count
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Q1. Salary discussion
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General aptitude online test

Q1. OOPS basic concepts with eg
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Q2. C#,Sql,MVC concepts
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Q1. Project experience
Ans. 
I have experience working on various projects including web development, mobile app development, and database management.
• Developed a web application using React.js and Node.js for a client in the e-commerce industry

• Created a mobile app using Swift for a healthcare startup to track patient data

• Managed a MySQL database for a financial services company to store and retrieve customer information
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Q2. Coding related questions asked
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Q1. Technical question
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Q2. Java oops and write a program for remove duplicates
Ans. 
Java program to remove duplicates from an array of strings using OOPs concepts.
• Create a HashSet to store unique strings.

• Iterate through the array and add each string to the HashSet.

• Convert the HashSet back to an array to get the unique strings.
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Prev job work and project details , roles and responsibility

Q1. What is SDLC process
Ans. 
SDLC process is a structured approach to software development that defines tasks performed at each stage of the software development life cycle.
• SDLC stands for Software Development Life Cycle

• It includes stages like planning, analysis, design, implementation, testing, and maintenance

• Each stage has specific goals and deliverables to ensure the quality and success of the software project
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Q2. What is the ASp.net mean for ?
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ASP.NET stands for Active Server Pages .NET, a web application framework developed by Microsoft.
• ASP.NET is a server-side web application framework used for building dynamic web pages and web applications.

• It allows developers to create web applications using languages like C# or VB.NET.

• ASP.NET provides tools and libraries for building web forms, MVC (Model-View-Controller) applications, and Web API services.

• It is part o...read more
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DSA questions and programming concepts

Q1. Reverse string and optimize it
Ans. 
Reverse array of strings efficiently
• Use two pointers approach to swap characters from start and end of each string

• Optimize by using in-place reversal instead of creating new strings

• Consider edge cases like empty strings or strings with only one character
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Q2. Reverse binary tree
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Q1. Salary expectations
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Q2. Joining location
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Q1. Technical skills related questions
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Q2. Hands on / live coding
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Q1. Deep knowledge checking for mentioned skill
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