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Nous Infosystems Senior Software Engineer Interview Questions and Answers
Nous Infosystems Senior Software Engineer Interview Experiences
4 interviews found
(2 Questions)
- Q1. What are OOPs concepts
- Ans.
OOPs concepts refer to Object-Oriented Programming principles such as inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation det
- Q2. What types of threads
- Ans.
Types of threads include user threads and kernel threads.
User threads are managed by user-level threads library and are created by the application.
Kernel threads are managed by the operating system and are created and managed by the kernel.
Examples include POSIX threads (pthread) for user threads and Windows threads for kernel threads.
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Skills evaluated in this interview
(5 Questions)
- Q1. Collection, stream API, spring boot
- Q2. Micro services, design patterns
- Q3. Design patterns
- Q4. Lamda expresssion
- Q5. Write code snippet to find 3rd largest salary
- Ans.
Code snippet to find 3rd largest salary
Sort the salaries in descending order
Skip duplicates while iterating through the sorted salaries
Return the third unique salary
Priyanka D
Selected
I applied via Referral
(1 Question)
- Q1. Bit in details regarding technologies we are into.
(1 Question)
- Q1. Managirial round
Sweta Patil
(1 Question)
- Q1. Azure related, Azure Devops AKS, etc
(1 Question)
- Q1. Package related
Nous Infosystems interview questions for designations
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Senior Software Engineer Interview Questions & Answers
Happiest Minds Technologies
Anonymous
posted on 11 Nov 2024
Selected
(3 Questions)
- 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.
- Q2. What is virtual DOM
- Ans.
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
- Q3. What are the data types in JS
- Ans.
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 ...
(1 Question)
- 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
(1 Question)
- Q1. Salary discussion
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Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Newgen Software Technologies
Anonymous
posted on 27 Nov 2024
(2 Questions)
- Q1. What are the OOPS concepts
- Q2. MultiThreading, synchronization
(1 Question)
- Q1. Tell me about yourself
Madhuri Patil
(2 Questions)
- Q1. Basic JS related question
- Q2. Angular Basic + Advance Question
gaurav kumar
Aptitude test with aptitude based questions
(2 Questions)
- Q1. What is variable hoisting.
- Ans.
Variable hoisting is a behavior in JavaScript where variable declarations are moved to the top of their scope during compilation.
Variable declarations are hoisted to the top of their function or global scope.
Only the declarations are hoisted, not the initializations.
This can lead to unexpected behavior if variables are accessed before they are declared.
- Q2. What is closures in js
- Ans.
Closures in JavaScript allow functions to access variables from an outer function even after the outer function has finished executing.
Closures are created whenever a function is defined within another function.
Inner functions have access to the outer function's variables even after the outer function has returned.
Closures are commonly used to create private variables and functions in JavaScript.
Example: function outer...
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Test Yantra Software Solutions
tejas prasad
posted on 24 Jul 2024
(2 Questions)
- Q1. How do you read an external text file
- Ans.
To read an external text file, you can use file handling techniques in programming languages like Python or Java.
Use file handling functions like open(), read(), and close() in Python to read an external text file.
In Java, use classes like FileReader and BufferedReader to read text files.
Specify the file path and mode (read mode) when opening the file.
Read the contents of the file line by line or as a whole, depending ...
- Q2. Write a java program to find the occurrences of characters
- Ans.
Java program to find occurrences of characters in a string
Create a HashMap to store characters and their counts
Iterate through the string and update the counts in the HashMap
Print the characters and their counts from the HashMap
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I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 3 interview rounds.
(11 Questions)
- Q1. How to manage memory management in Python?
- Ans.
Memory management in Python involves automatic memory allocation and deallocation through garbage collection.
Python uses automatic memory management through garbage collection, so manual memory management is not required.
Use tools like memory_profiler to identify memory leaks and optimize memory usage.
Avoid creating unnecessary objects and use data structures efficiently to minimize memory usage.
- Q2. Difference between Async , Sync and multithread?
- Ans.
Async is non-blocking, Sync is blocking, Multithread allows multiple threads to run concurrently.
Async allows the program to continue executing other tasks while waiting for a response, commonly used in web development with AJAX calls.
Sync blocks the program until a task is completed, commonly used in simple sequential programs.
Multithreading allows multiple threads to run concurrently, improving performance by utilizi...
- Q3. CI/CD pipeline deployment?
- Q4. How to revert last commit?
- Ans.
Use 'git revert' command to revert the last commit.
Use 'git log' to find the commit hash of the last commit
Run 'git revert
' to revert the last commit Commit the revert changes with a new commit message
- Q5. Difference between select_related vs prefetch_related with example?
- Ans.
select_related follows foreign key relationships and retrieves related objects in a single query, while prefetch_related retrieves related objects separately to avoid performance issues.
select_related is used for accessing related objects in a single query, reducing database hits
prefetch_related is used for accessing related objects separately to avoid performance issues
select_related is more efficient for one-to-one o...
- Q6. What is decorater write example?
- Ans.
Decorator is a design pattern in software development that allows behavior to be added to individual objects, either statically or dynamically.
Decorators are used to modify the behavior of functions or classes without changing their source code.
In Python, decorators are implemented using the @ symbol followed by the decorator function name.
Example: @decorator_function def some_function(): # function implementation
...
- Q7. How to optimise query?
- Ans.
Optimizing query involves indexing, minimizing data retrieval, using proper joins, and avoiding unnecessary functions.
Use indexes on columns frequently used in WHERE clauses
Minimize data retrieval by selecting only necessary columns
Use proper joins (INNER JOIN, LEFT JOIN, etc.) instead of subqueries
Avoid unnecessary functions in WHERE clauses
- Q8. What is normalisation?
- Ans.
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
Normalization is used to eliminate redundant data and ensure data dependencies are logical.
It involves dividing a database into two or more tables and defining relationships between them.
Normalization helps in reducing data redundancy, improving data integrity, and making data maintenance easier.
There are diffe...
- Q9. How to increase performance?
- Ans.
To increase performance, optimize code, use efficient algorithms, parallel processing, caching, and database indexing.
Optimize code by reducing unnecessary loops and improving data structures
Use efficient algorithms like binary search instead of linear search
Implement parallel processing to utilize multiple CPU cores
Utilize caching to store frequently accessed data for faster retrieval
Implement database indexing to spe
- Q10. How to secure your API’s?
- Ans.
Securing APIs involves using authentication, authorization, encryption, and monitoring.
Implement authentication mechanisms such as OAuth, JWT, or API keys to verify the identity of clients accessing the API.
Use authorization to control access to different parts of the API based on roles and permissions.
Encrypt data transmitted between clients and the API using HTTPS to prevent eavesdropping.
Implement rate limiting and ...
- Q11. How single design patterns work?
- Ans.
Single design patterns work by providing a reusable solution to common problems in software development.
Design patterns help in organizing code and making it more maintainable.
They promote code reusability and flexibility.
Examples of single design patterns include Singleton, Factory, and Observer.
(1 Question)
- Q1. Questions from your resume.
(1 Question)
- Q1. Salary discussion and your tenure employments.
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Rating in categories
|
Senior Software Engineer
470
salaries
|  ₹8 L/yr - ₹31 L/yr |
|
Software Engineer
305
salaries
| ₹2.8 L/yr - ₹12.1 L/yr |
|
Senior Test Engineer
281
salaries
| ₹6.2 L/yr - ₹24.9 L/yr |
|
Test Engineer
125
salaries
| ₹2.4 L/yr - ₹12 L/yr |
|
Technical Lead
107
salaries
| ₹12.2 L/yr - ₹37 L/yr |
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