Carelon Global Solutions Senior Software Engineer 2 Interview Questions and Answers

Round1 - DSA question | Codility Platform
For a given String str, find the longest repeating and non-overlapping substrings. If there exists more than 1 such substring print out all of them as part of output.

Round2 - DSA Question | stack | Codility Platform
Find largest area possible in a given Histogram where largest rectangle can be formed by a number of continuous bars whose heights are given in an array.

Q1. Design a Common Billing System for Azure services.
Ans. 
Design a Common Billing System for Azure services.
• Utilize Azure Billing API to track usage and costs

• Implement role-based access control for billing information

• Include automated invoicing and payment processing

• Integrate with Azure Active Directory for user authentication

• Provide detailed billing reports and analytics for customers
Answered by AI
Add your answer

Q1. Share the most challenging task of your career so far.
Ans. 
Designing and implementing a real-time data processing system for a high-traffic e-commerce platform.
• Architecting a scalable and fault-tolerant system to handle millions of transactions per day.

• Optimizing data processing algorithms to ensure low latency and high throughput.

• Implementing real-time monitoring and alerting mechanisms to detect and address issues proactively.
Answered by AI
Add your answer
Q2. Why change from current organization?
Ans. 
Seeking new challenges and growth opportunities in a larger organization with more advanced technologies.
• Desire for new challenges and opportunities for growth

• Interested in working with more advanced technologies

• Seeking a larger organization with greater resources and opportunities for career advancement
Answered by AI
Add your answer

Q1. Java programming string, linked list
Add your answer
Q2. Trees, threads, deadlocks, multithreading
Add your answer

Q1. JAVA programming
Add your answer
Q2. Unit tests for the written program
Add your answer

Q1. Data Structures and Algorithms
Add your answer
Q2. Unit tests in JAVA
Ans. 
Unit tests in JAVA are used to test individual units or components of a software application.
• Unit tests are written to verify the behavior of a specific piece of code in isolation.

• They help ensure that each unit of code works correctly on its own.

• JUnit is a popular Java framework for writing and running unit tests.

• Mockito is often used in conjunction with JUnit for mocking dependencies in unit tests.
Answered by AI
Add your answer

Q1. Salary Negotiation
Add your answer
Q2. About org policies
Add your answer

Codility Test A test for 90 min is given

Q1. Tech Based Interview
Add your answer

Q1. Profile based questions
Add your answer

Q1. Manager Round to check if your background fits well
Add your answer
Q2. Scenario based questions
Add your answer

Q1. Salary and notice period negotiation
Add your answer

Sorting programs, some algorithms on logic

Q1. C# Basics Design patterns Architectural questions
Add your answer
Q2. Product Design Performance based
Add your answer
Q3. Programs on maze problem
Ans. 
Maze problem programs involve finding a path through a maze from start to finish.
• Use depth-first search or breadth-first search algorithms to solve maze problems.

• Consider using backtracking to handle dead ends in the maze.

• Implement a recursive function to explore all possible paths in the maze.

• Use a stack or queue data structure to keep track of visited cells and potential paths.
Answered by AI
Add your answer
Q4. Programs on snake ladder
Ans. 
Snake ladder program simulates a game where players move based on dice rolls.
• Create a board with 100 squares representing the snake ladder game.

• Players take turns rolling a dice and moving their token on the board.

• If a player lands on a square with a snake head, they move back to the square's tail.

• If a player lands on a square with a ladder bottom, they move to the ladder's top.

• The game continues until a player reaches
Answered by AI
Add your answer

Topics on electronics and C programming

Q1. Questions on simple python programs and electronics basics
Add your answer
Q2. Question on simple linked list
Add your answer
Q3. Program for fibonacci seq
Ans. 
Program to generate Fibonacci sequence
• Start with two initial numbers, 0 and 1

• Add the previous two numbers to get the next number in the sequence

• Repeat this process to generate the Fibonacci sequence

• Example: 0, 1, 1, 2, 3, 5, 8, 13, ...
Answered by AI
Add your answer
Q4. Questions on mosfets
Add your answer

Q1. Why you would like to join the company, and other questions
Add your answer

Q1. Started with introduction
Add your answer
Q2. Asked about projects
Add your answer
Q3. Asked Architecture related questions and design pattern related questions
Add your answer
Q4. If you have 1 million requests how will you manage that
Ans. 
I would use load balancing, caching, and scaling techniques to manage the 1 million requests.
• Implement load balancing to distribute requests evenly across multiple servers.

• Utilize caching to store frequently accessed data and reduce response times.

• Scale horizontally by adding more servers to handle the increased load.

• Optimize code and database queries to improve performance.

• Monitor system performance and make adjustmen
Answered by AI
Add your answer
Q5. React vs SAP UI5
Ans. 
React is a popular JavaScript library for building user interfaces, while SAP UI5 is a framework for developing enterprise-ready web applications.
• React is more flexible and widely used in the industry.

• SAP UI5 is specifically designed for SAP applications and has built-in support for SAP technologies.

• React has a larger community and ecosystem with more resources and libraries available.

• SAP UI5 provides a consistent user...read more
Answered by AI
Add your answer
Q6. Node VS JAVA
Ans. 
Node.js is a runtime environment for executing JavaScript code outside of a browser, while Java is a general-purpose programming language often used for building enterprise applications.
• Node.js is single-threaded and event-driven, making it ideal for handling asynchronous operations like I/O operations.

• Java is a statically typed language with a strong emphasis on object-oriented programming, making it suitable for larg...read more
Answered by AI
Add your answer
Q7. Multitenancy in sap btp
Ans. 
Multitenancy in SAP BTP allows multiple customers to share the same application instance while keeping their data isolated.
• Multitenancy allows multiple customers (tenants) to use the same application instance.

• Each tenant's data is isolated and secure from other tenants.

• Tenants can customize their own settings, branding, and configurations within the shared application.

• SAP BTP provides tools and features to manage multi...read more
Answered by AI
Add your answer

Arrays and strings - 90 mins

Create Modules, railway reservation system - 60 mins

Q1. Difference between hashmap and hasptable
Add your answer
Q2. Why typescript over javascript
Add your answer
Q3. Find the percentage of increace in the quantity of item after making it price 20% extra
Add your answer
Q4. What is normalization
Add your answer
Q5. Date and time api available
Add your answer

30min duration simple questions

Basic array 2 coding questions

Q1. Introduce yorself
Add your answer
Q2. Explain about final year project
Add your answer
Q3. Github link for project
Add your answer
Q4. What is oops in java
Add your answer
Q5. What is polymorphism explain with examples
Add your answer