Cojag Smart Technology SDE (Software Development Engineer) Interview Questions and Answers

Q1. How would you utilize AWS or Azure services to create scalable web applications
Ans. 
Utilize AWS or Azure services for scalable web applications
• Use AWS Elastic Beanstalk or Azure App Service for easy deployment and scaling

• Leverage AWS Lambda or Azure Functions for serverless computing

• Utilize AWS Auto Scaling or Azure Autoscale to automatically adjust resources based on traffic

• Store data in AWS RDS or Azure SQL Database for scalable database solutions

• Use AWS CloudFront or Azure CDN for content delivery
Answered by AI
Add your answer
Q2. How would you tackle memory leaks if the system your working on was experiencing this issue?
Ans. 
I would use memory profiling tools to identify the source of the leaks and then fix them by properly managing memory allocation and deallocation.
• Use memory profiling tools like Valgrind or Instruments to identify the source of the leaks

• Review the code to ensure proper memory allocation and deallocation practices are being followed

• Implement smart pointers or garbage collection to automatically manage memory

• Use static co...read more
Answered by AI
Add your answer
Q3. Have you worked on legacy systems?
Ans. 
Yes, I have experience working on legacy systems.
• I have successfully maintained and upgraded legacy systems to meet current business needs.

• I have refactored legacy code to improve performance and scalability.

• I have integrated new technologies with legacy systems to enhance functionality.

• I have experience troubleshooting and debugging issues in legacy systems.
Answered by AI
Add your answer

Q1. Are you capable to work with cross functional teams and handle disputes effectively
Ans. 
Yes, I have experience working with cross functional teams and resolving disputes effectively.
• I have successfully collaborated with team members from different departments to achieve project goals.

• I am skilled at mediating conflicts and finding mutually beneficial solutions.

• I prioritize open communication and actively listen to all team members' perspectives.

• I have experience using conflict resolution techniques such a
Answered by AI
Add your answer

Q1. Diff btw vite and webpack
Add your answer
Q2. What is currying in js
Add your answer

Q1. What is currying in javascript?
Add your answer
Q2. Diff btw webpack and vite
Add your answer

Q1. Difference between function and method
Ans. 
A function is a piece of code that is called by name, while a method is a function that is associated with an object.
• Functions are standalone blocks of code, while methods are functions that are part of a class or object.

• Functions can be called independently, while methods are called on an object.

• Functions do not have access to data stored in an object, while methods can access and modify object data.
Answered by AI
Add your answer
Q2. A program related to strings
Add your answer
Q3. A program related to prime numbers
Add your answer

The aptitude test was relatively straightforward, consisting of both aptitude and technical questions, with a difficulty level ranging from easy to medium.

Q1. Was asked to write a code on basic DSA concept
Add your answer
Q2. Then was asked basic questions on DSA and SQL
Add your answer

Q1. Tell me about projects you have worked upon
Add your answer
Q2. PEP-8 standards
Add your answer

Q1. Architecture of project on which you were working
Add your answer
Q2. Pandas and Numpy
Add your answer

Q1. Tell me your Current CTC
Add your answer
Q2. Tell me your Expected CTC
Add your answer

Q1. What is the D/W Rest and GraphQL APIS?
Add your answer
Q2. REST uses fixes endpoint;..............etc.
Add your answer

Q1. 3 Question was there related to architecture and Computer networks.
Add your answer

Q1. Microservices and Monolith.
Add your answer
Q2. Leetcode hard Sum.
Add your answer

Q1. Four Pillars of OOPS in Java?
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS in Java.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation details and showing only the necessary features.
Answered by AI
Add your answer
Q2. What is a constructor in Java?
Ans. 
A constructor in Java is a special type of method that is used to initialize objects.
• Constructors have the same name as the class they are in.

• They do not have a return type, not even void.

• Constructors are called when an object of a class is created.

• Example: public class Car { public Car() { // constructor code } }
Answered by AI
Add your answer