HighRadius Senior Software Engineer Interview Questions and Answers

Q1. Edit distance problem
Ans. 
The edit distance problem involves finding the minimum number of operations required to transform one string into another.
• The edit distance problem can be solved using dynamic programming.

• Common operations include insertion, deletion, and substitution of characters.

• Example: Given strings 'kitten' and 'sitting', the edit distance is 3 (substitute 'k' with 's', insert 'g', substitute 'n' with 'g').
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Q2. Light switch puzzle
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2 coding , 2 SQL with some quants

Q1. Remove redundant parentheses in a expression
Ans. 
Remove redundant parentheses in a expression
• Identify the innermost parentheses

• Evaluate the expression inside the innermost parentheses

• Replace the innermost parentheses with the evaluated expression

• Repeat until no more redundant parentheses exist
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Q1. Why do you want to join Chargebee?
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A coding test on hackerrank with some basic graph problems

Q1. The interviewer asked about my projects
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Q1. What's your motivation to join this team?
Ans. 
I am motivated to join this team because of the challenging work and the opportunity to learn and grow.
• I am excited about the projects this team is working on and the potential impact they can have.

• I am impressed by the team's expertise and collaborative approach.

• I am looking for a supportive and innovative work environment where I can contribute my skills and knowledge.

• I am eager to learn from my colleagues and develo...read more
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Q2. What are the projects/initiatives you have worked-on in your current role?
Ans. 
I have worked on multiple projects including developing a new e-commerce platform and implementing a machine learning algorithm for fraud detection.
• Developed a new e-commerce platform using React and Node.js

• Implemented a machine learning algorithm for fraud detection using Python and TensorFlow

• Collaborated with cross-functional teams to ensure project success

• Improved website performance by optimizing code and reducing
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Q1. Design VS code(any IDE)
Ans. 
Designing an IDE like VS code requires a deep understanding of software development and user experience.
• Identify the target audience and their needs

• Choose the programming languages and frameworks to support

• Create a user-friendly interface with customizable features

• Implement debugging and testing tools

• Ensure compatibility with different operating systems

• Continuously update and improve the IDE based on user feedback
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Q2. Discuss the architechture, limitations and abilities you would want in your app
Ans. 
The app architecture should be scalable, with a user-friendly interface and secure data storage.
• The app should have a modular architecture to allow for easy scalability and maintenance.

• The user interface should be intuitive and easy to navigate.

• The app should have robust security measures in place to protect user data.

• The app should be able to handle large amounts of data and traffic.

• The app should be compatible with m...read more
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Q3. The objective is not to code, but rather to discuss how would you implement certain features
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Q1. No coding involved but deep JavaScript, CSS, Browser, APIs related questions were asked
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Q2. Need to explain very minute details, explain working and uses
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Q3. What is a CDN? How does the browser work?
Ans. 
CDN stands for Content Delivery Network. Browser works by sending requests to servers and receiving responses.
• CDN is a network of servers that deliver content to users based on their geographic location.

• CDN reduces latency and improves website performance.

• Browser sends HTTP requests to servers and receives responses containing HTML, CSS, JS, and other assets.

• Browser renders the received content and displays it to the u
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Q4. CSS positioning
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Q5. Flexbox, Grid, Browser internals
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Q6. NO DSA question ❌
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You get 60 minutes to code an application in your choice of programming stack. Out of which 45 minutes are set aside for implementation and 15 minutes for problem discussion and conclusion.

Make sure that you think out loud while implementing the solution and not just silently coding.

Q1. Conclude the whole process, discuss salary expectations, perks, benefits, and other policy discussions
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Medium level leetcode questions and some apti very rare but.

Q1. Good practice of ds algo and os
Ans. 
Good practice of data structures, algorithms, and operating systems is essential for software engineers.
• Regularly practice coding challenges to improve problem-solving skills

• Understand the time and space complexity of algorithms

• Learn about different data structures and when to use them

• Familiarize yourself with operating system concepts like processes, threads, and memory management
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Q2. Is given tree bst or not?
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Q3. Check whether cycle in linked list.
Ans. 
Check for cycle in a linked list by using two pointers approach.
• Use two pointers, one moving at double the speed of the other.

• If there is a cycle, the two pointers will eventually meet.

• Alternatively, use a hash set to keep track of visited nodes.
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Binary search tree
Linked list

Q1. Project related
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Q2. Technologies used
Ans. 
I have experience with a variety of technologies including Java, Python, SQL, and JavaScript.
• Java

• Python

• SQL

• JavaScript
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100 minutes, there were 3 coding questions and some easy to medium level mcq on core subjects

Q1. Isomorphic string
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Q2. What you'll use to implement a playlist
Ans. 
A playlist can be implemented using an array of strings to store the list of songs.
• Use an array of strings to store the list of songs in the playlist

• Implement functions to add, remove, and shuffle songs in the playlist

• Consider using a linked list data structure for more efficient insertion and deletion operations
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