Bajaj Finserv Health Software Development Engineer Interview Questions and Answers

Q1. Basic oops concepts
Add your answer
Q2. Web api questions
Add your answer

Q1. Oops concept and c# basic questions for freshers and sql basics
Add your answer
Q2. What is .net framework
Ans. 
.NET Framework is a software framework developed by Microsoft that provides a runtime environment for building and running applications.
• .NET Framework is a platform for developing and running applications on Windows.

• It includes a large library of pre-built code and a runtime environment for executing applications.

• It supports multiple programming languages such as C#, VB.NET, and F#.

• It provides features like memory mana...read more
Answered by AI
Add your answer
Q3. Stored procesure insert update syntax
Add your answer
Q4. Oops questions inheritance constructors
Add your answer
Q5. Joins in sql and types
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• There are different types of joins in SQL: inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables.

• Left join returns all the rows from the left table and the matching rows from the right table.

• Right join returns all the rows from the right table and the matching ...read more
Answered by AI
Add your answer

Q1. What lib list ?
Ans. 
A list of libraries used in software development.
• Common libraries like React, Angular, jQuery

• Backend libraries like Express, Django, Spring

• Database libraries like Sequelize, SQLAlchemy, Hibernate
Answered by AI
Add your answer
Q2. What is Physical file
Ans. 
A physical file is a file stored on a physical storage device, such as a hard drive or solid-state drive.
• Physical files are stored on physical storage devices like hard drives or SSDs.

• They can be accessed and manipulated by software applications.

• Examples include text documents, images, videos, and executable programs.
Answered by AI
Add your answer

Q1. What is batch job
Ans. 
A batch job is a program that processes a large amount of data in a single run without user interaction.
• Batch jobs are typically scheduled to run at specific times, often during off-peak hours.

• They are commonly used for tasks such as data processing, report generation, and system maintenance.

• Examples of batch job tools include cron in Unix/Linux systems and Task Scheduler in Windows.
Answered by AI
Add your answer
Q2. What is interctive job
Ans. 
An interactive job is a task or project that requires active participation and engagement from the user.
• Interactive jobs involve real-time feedback and communication between the user and the system.

• Examples include video games, online surveys, and interactive websites.

• Users have control over the outcome of the task based on their input and decisions.
Answered by AI
Add your answer

Q1. Tell me about yourself and about previous organisation.
Ans. 
I am a software developer with 5 years of experience. I previously worked at XYZ Company as a full-stack developer.
• 5 years of experience in software development

• Previous role as a full-stack developer at XYZ Company

• Proficient in programming languages such as Java, Python, and JavaScript
Answered by AI
Add your answer
Q2. Basic technical questions about the framework and the specific language.
Add your answer

Q1. More technical questions
Add your answer

SQL and coding questions

Q1. Salary negotiation
Add your answer

There were 5 sections which included one coding question, MCQs and one question on SQL

Q1. Introduce yourself
Add your answer
Q2. Two sum coding question with time and space complexity
Add your answer
Q3. Strong manipulation question with time and space complexity
Add your answer
Q4. What is a process and thread? (OS)
Ans. 
A process is an instance of a program running on a computer, while a thread is a unit of execution within a process.
• A process has its own memory space, while threads within the same process share memory.

• Processes are independent of each other, while threads within the same process can communicate with each other more easily.

• Processes are heavyweight in terms of resource consumption, while threads are lightweight.

• Exampl...read more
Answered by AI
Add your answer
Q5. OOPS based questions on polymorphism and the others
Add your answer
Q6. Why is the lid of the manhole round and not any other shape?
Ans. 
A round manhole lid cannot fall through the opening it covers, unlike other shapes.
• Round shape is the only shape that cannot fall through its own opening

• Round shape is easier to move and position compared to other shapes

• Round shape is more structurally sound and can support heavy loads evenly
Answered by AI
Add your answer

Q1. Introduce yourself
Add your answer
Q2. OSI model and what are the ones that are used particularly while real software development process takes place
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• In real software development, layers commonly used are the Application layer, Transport layer, and sometimes the Network layer.

• For example, when developing a web applica...read more
Answered by AI
Add your answer
Q3. Favourite subject asked and questions were asked based on that.
Add your answer
Q4. Will I be able to work on multiple tech stacks?
Add your answer

Q1. Self introduction
Add your answer
Q2. If I'm holding any other offers
Add your answer
Q3. Professional background of my parents
Add your answer

Round duration - 60 Minutes
Round difficulty - Easy

Q1. 
0/1 Knapsack Problem Statement
A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...read more
Ans. 
Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).
• Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.

• Iterate through each item and update the array based on whether including the item would increase the total value.

• The final value in the array at index W will be the maximum value that can be stolen.
Answered by AI
Add your answer
Q2. 
Find the Second Largest Element
Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.
If a second largest element does not exist, return -1.
Example:
Input:
ARR = [2,...read more
Ans. 
Find the second largest element in an array of integers.
• Iterate through the array to find the largest and second largest elements.

• Handle cases where all elements are identical.

• Return -1 if a second largest element does not exist.
Answered by AI
Add your answer

Round duration - 60 Minutes
Round difficulty - Easy

System Design Round

Q1. Design a system for Twitter, discussing its architecture, key components, and scalability considerations.
Ans. 
Design a scalable system for Twitter with key components and architecture.
• Use microservices architecture for scalability and fault isolation.

• Key components include user service, tweet service, timeline service, and notification service.

• Use a distributed database like Cassandra for storing tweets and user data.

• Implement a message queue like Kafka for handling real-time updates and notifications.

• Use a caching layer like ...read more
Answered by AI
Add your answer

Round duration - 30 Minutes
Round difficulty - Easy

It is just a formality

Round duration - 60 Minutes
Round difficulty - Easy

4 Questions which were of Easy, Medium, and Hard level.

Q1. 
Lowest Common Ancestor of a Binary Tree III
The structure of a binary tree has been modified so that each node includes a reference to its parent node.
Problem Statement
You are provided with two nodes,...read more
Ans. 
This question is about finding the lowest common ancestor of two nodes in a binary tree with parent references.
• Traverse from the given nodes to their respective root nodes and store the paths in two separate lists.

• Compare the two lists and find the last common node.

• Return the last common node as the lowest common ancestor.
Answered by AI
Add your answer
Q2. 
Maximum Subarray Problem Statement
Ninja has been given an array, and he wants to find a subarray such that the sum of all elements in the subarray is maximum.
A subarray 'A' is considered greater than a...read more
Ans. 
The problem is to find a subarray with the maximum sum in a given array.
• Iterate through the array and keep track of the maximum sum and the current sum.

• If the current sum becomes negative, reset it to 0.

• Update the maximum sum if the current sum is greater.

• Also keep track of the start and end indices of the subarray with the maximum sum.

• Return the subarray using the start and end indices.
Answered by AI
Add your answer

Round duration - 50 Minutes
Round difficulty - Easy

Q1. 
Next Greater Element Problem Statement
Given a list of integers of size N, your task is to determine the Next Greater Element (NGE) for every element. The Next Greater Element for an element X is the firs...read more
Ans. 
The task is to find the next greater element for each element in an array.
• Iterate through the array from right to left.

• Use a stack to keep track of the elements that have a greater element to their right.

• For each element, pop elements from the stack until a greater element is found or the stack is empty.

• If a greater element is found, it is the next greater element for the current element.

• If the stack becomes empty, the...read more
Answered by AI
Add your answer
Q2. 
Trapping Rain Water Problem Statement
You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine th...read more
Ans. 
The question asks to find the total amount of rainwater that can be trapped in the given elevation map.
• Iterate through the array and find the maximum height on the left and right side of each bar.

• Calculate the amount of water that can be trapped at each bar by taking the minimum of the maximum heights on both sides and subtracting the height of the bar.

• Sum up the amount of water trapped at each bar to get the total amo
Answered by AI
View 5 more answers

Round duration - 30 Minutes
Round difficulty - Easy

It is just a formality round, asked basic questions like relocation and joining date etc