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Angel One Software Engineer Interview Questions and Answers

Updated 7 May 2024

Angel One Software Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Same as posted in advice

Interview Preparation Tips

Interview preparation tips for other job seekers - JavaScript-based interview.
In-depth questions around JS topics such as promises, polyfills, output questions, event loops, web APIs, context, closures, and this.

Interview questions from similar companies

Interview Preparation Tips

Round: Technical Interview
Tips: Have a good grasp of DS algo, java, etc.(Here CGPA doesn't matter)

General Tips: Do’s and Don’ts :
1. Be confident and to be confident prepare well.
2. Set the priority of your companies 
3. Don't start preparation at end. Don't ignore the content of resume.

Be confident and start preparation as soon as possible.
College Name: IIT Kanpur

Software Developer Interview Questions & Answers

Visa user image Pranav Bhat Thirthahalli

posted on 3 Dec 2015

Interview Questionnaire 

14 Questions

  • Q1. What is race condition and how can it be eliminated
  • Ans. 

    Race condition is a situation where multiple threads/processes access and manipulate shared data simultaneously.

    • It can be eliminated by using synchronization techniques like locks, semaphores, and mutexes.

    • Another way is to use atomic operations that ensure the data is accessed and modified atomically.

    • Using thread-safe data structures can also prevent race conditions.

    • Example: Two threads trying to increment a shared var...

  • Answered by AI
  • Q2. What is JCube?
  • Ans. 

    JCube is a Java library for creating and manipulating Rubik's Cube puzzles.

    • JCube provides classes for representing Rubik's Cube puzzles and algorithms for solving them.

    • It supports various cube sizes and can generate random scrambles.

    • JCube can be used in Java applications or as a standalone command-line tool.

    • It is open source and available on GitHub.

  • Answered by AI
  • Q3. What is regression testing?
  • Ans. 

    Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.

    • It is performed after making changes to the software

    • It ensures that existing functionality is not affected by the changes

    • It helps to catch any defects or bugs that may have been introduced

    • It can be automated using testing tools

    • Examples include retesting after bug fixes, testing after new

  • Answered by AI
  • Q4. Discussion on different sorting techniques
  • Q5. Discussion on SQL and SQL optimisaion
  • Q6. Software engineering principles
  • Ans. 

    Software engineering principles are the best practices and guidelines for developing high-quality software.

    • Software should be designed with modularity and scalability in mind.

    • Code should be well-documented and easy to read.

    • Testing and debugging should be an integral part of the development process.

    • Version control should be used to manage code changes.

    • Security and privacy should be considered throughout the development

  • Answered by AI
  • Q7. Java and OOP's question
  • Q8. Define Singleton class
  • Ans. 

    A Singleton class is a class that can only have one instance at a time.

    • It restricts the instantiation of a class to a single object.

    • It provides a global point of access to that instance.

    • It is often used in situations where a single object is required to coordinate actions across a system.

    • Example: Database connection manager, Configuration manager, Logger manager.

  • Answered by AI
  • Q9. Explain Testing principles and Design principles
  • Ans. 

    Testing principles ensure software quality, while design principles guide software development.

    • Testing principles include unit testing, integration testing, and acceptance testing.

    • Design principles include SOLID, DRY, and KISS.

    • Testing principles ensure that software meets requirements and is free of defects.

    • Design principles guide software development to be modular, maintainable, and scalable.

  • Answered by AI
  • Q10. Types of machine learning and methods and examples, they may give you a situation and ask you which technique is good and why
  • Q11. Why choose you for VISA?
  • Ans. 

    I have the necessary skills, experience, and passion to contribute to VISA's success.

    • I have a strong background in software development and have worked on projects similar to those at VISA.

    • I am a quick learner and can adapt to new technologies and programming languages easily.

    • I am passionate about creating high-quality software that meets the needs of users and exceeds their expectations.

    • I am a team player and can work...

  • Answered by AI
  • Q12. Which profile is good for you?
  • Ans. 

    A profile that challenges me to learn and grow while allowing me to contribute to a team.

    • A position that encourages continuous learning and development

    • A role that allows me to collaborate with a team and contribute to projects

    • A company culture that aligns with my values and work ethic

  • Answered by AI
  • Q13. About the work culture at VISA Inc
  • Q14. If u already have a placement, why this company
  • Ans. 

    I am interested in exploring new opportunities and challenges that this company can offer.

    • I am impressed with the company's reputation and growth potential.

    • I am excited about the projects and technologies this company is working on.

    • I believe this company can provide me with a better work-life balance and career growth opportunities.

    • I am looking for a company culture that aligns with my values and goals.

    • I am open to exp...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Online Test on mettl.com
- 2 coding questions ( 15*2 = 30 marks ) - Moderate level
- 10 MCQs on Programming and Java ( 1*10 = 10)
- 6 MCQs on Machine Learning and Hadoop ( 1*6 = 6 )
- 6 MCQs on Computer Networks ( 1*6 = 6 )
- 6 MCQs on Computer Infrastructure and Architecture ( 1*6 = 6)
- 6 MCQs on Application security and Cryptography ( 1*6 = 6)
15 shortlisted from here including 8 B.Techs and 7 M.Techs for F2F interviews, which were taken by VISA employees from their US and Singapore offices( since they don't have any office at India ).

Round: Technical Interview
Experience: They may give you a situation and ask you to explain which Software engineering principles will you use. They ask you how will you explain the concept of stacks and queues to a 7 year old, or to a granny, so as to encourage programming(like seriously ? )

General Tips: Nothing as such, since this was my second on-campus placement, I had good experience of interviews.
Keep your fundamentals in all computer science subjects open. Unlike other companies they don't focus much on coding alone. The only other company which also looks at perfection in all computer science aspects is Xerox Research Center India.
Challenging and Equally rewarding, but seriously a unique experience with no much tension
Skills:
College Name: NIT Surathkal

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Tell me about your project ( written in language)?
  • Ans. 

    Developed a web application using Python and Django framework for managing inventory and sales.

    • Used Python programming language for backend development

    • Implemented Django framework for building web application

    • Designed database schema for inventory and sales data

    • Integrated frontend using HTML, CSS, and JavaScript

    • Implemented user authentication and authorization features

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: They asked 3 question on data structures .
1.Merging linekd list
2 and 3 BST related
Duration: 1 hour
Total Questions: 3

Round: Technical Interview
Experience: Interviewer asked me to explain projects which I had mentioned in Resume. Then He asked me to implement a problem on basis of my project.
It was telephonic round.
CGPA and my project mattered.

College Name: IIT Roorkee

I applied via Campus Placement and was interviewed in Sep 2016. There were 4 interview rounds.

Interview Questionnaire 

7 Questions

  • Q1. Tell me about yourself
  • Ans. 

    I am a passionate software developer with experience in Java, Python, and web development.

    • Experienced in Java, Python, and web development technologies

    • Strong problem-solving skills

    • Team player with excellent communication skills

  • Answered by AI
  • Q2. Explain your resume
  • Ans. 

    My resume highlights my experience in software development and showcases my skills in various programming languages and technologies.

    • Worked on multiple projects using Java, Python, and C++

    • Developed web applications using HTML, CSS, and JavaScript

    • Experience with databases such as MySQL and MongoDB

    • Familiarity with Agile methodology and version control systems like Git

    • Participated in hackathons and coding competitions

  • Answered by AI
  • Q3. Questions on projects mentioned
  • Q4. Why do you want to go for VISA?
  • Ans. 

    I want to go for VISA to explore new opportunities and gain international experience.

    • To gain exposure to different cultures and work environments

    • To expand my skill set and learn new technologies

    • To work on challenging projects and contribute to the growth of the company

    • To build a global network of professionals and enhance my career prospects

  • Answered by AI
  • Q5. Code a basic binary tree
  • Ans. 

    A binary tree is a data structure in which each node has at most two children.

    • Start with a root node

    • Each node has a left and right child

    • Nodes can be added or removed

    • Traversal can be done in-order, pre-order, or post-order

  • Answered by AI
  • Q6. Code a basic linked list
  • Ans. 

    Code a basic linked list

    • Create a Node class with data and next pointer

    • Create a LinkedList class with head pointer

    • Implement methods to add, delete, and search nodes in the linked list

  • Answered by AI
  • Q7. Code a circular linked list
  • Ans. 

    A circular linked list is a data structure where the last node points back to the first node, forming a loop.

    • Create a Node class with data and next pointer

    • Initialize the head node and set its next pointer to itself

    • To add a node, create a new node and set its next pointer to the head node's next pointer, then update the head node's next pointer to the new node

    • To traverse the circular linked list, start from the head nod...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: It was a programming test hosted on hackerrank. A total of 3 questions. I could solve only one of them. That too only a few test cases. Still got shortlisted for the next round. :)
Tips: Do practice a few challenges on programming platforms. Brush up your programming knowledge.
Total Questions: 3

Round: Technical Interview
Experience: It was an HR cum Technical round for me as I came from a non CS background. I was able to convince them I am a perfect fit for VISA
Tips: Do prepare your resume well. If you have coding projects, make sure you are clear with whatever you write. They might quiz you hard on them. Strong knowledge on Data structures and Algorithms will give you an edge.

Skills: Presentation Of Facts In Resume, Basic Coding, Communication, Algorithms And Data Structures
Duration: 2
College Name: IIT Madras
Funny Moments: I am a part of the sponsorship team of our technical and VISA was an associate sponsor for the same the previous year. Hence I had specified this fact in my interview. :P

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

(3 Questions)

Round duration - 70 minutes
Round difficulty - Medium

Timing: 6:00 pm
3 coding questions of medium to be solved in 70 minutes.

  • Q1. 

    Maximum Subarray Sum Problem Statement

    Given an array of numbers, the task is to find the maximum sum of any contiguous subarray of the array.

    Input:

    The first line of input contains the size of the arr...
  • Ans. 

    Find the maximum sum of any contiguous subarray in an array of numbers in O(N) time.

    • Use Kadane's algorithm to find the maximum subarray sum in O(N) time.

    • Initialize two variables: maxEndingHere and maxSoFar to keep track of the maximum sum.

    • Iterate through the array and update the variables accordingly.

    • Return the maxSoFar as the result.

  • Answered by AI
  • Q2. 

    Closest Leaf in a Binary Tree

    Ninja is stuck in a maze represented as a binary tree, and he is at a specific node ‘X’. Help Ninja find the shortest path to the nearest leaf node, which is considered an ex...

  • Ans. 

    Find the minimum distance from a given node to the nearest leaf node in a binary tree.

    • Traverse the binary tree from the given node 'X' to find the nearest leaf node.

    • Use a queue for level order traversal to efficiently find the nearest leaf node.

    • Calculate the distance from node 'X' to each leaf node and return the minimum distance.

  • Answered by AI
  • Q3. 

    Rotting Oranges Problem Statement

    You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:

    • 0 - representing an empty cell
    • 1 - representing a fre...
  • Ans. 

    Find the minimum time required to rot all fresh oranges in a grid.

    • Use Breadth First Search (BFS) to simulate the rotting process of oranges.

    • Track the time taken to rot all fresh oranges and return the result.

    • If any fresh oranges remain after simulation, return -1 as it is impossible to rot all oranges.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 45 minutes
Round difficulty - Medium

Timing: 2:00 pm
Online round over google meet, code at google docs.
The interviewer was friendly, encouraging, and humble.

  • Q1. 

    Smallest Integer Not Representable as Subset Sum

    Given a non-decreasing sorted array ARR of N positive numbers, determine the smallest positive integer that cannot be expressed as the sum of elements from...

  • Ans. 

    The task is to find the smallest positive integer value that cannot be represented as a sum of elements of any proper subset of the given array.

    • The array is sorted in non-decreasing order, so we can iterate through the array and keep track of the maximum sum we can form.

    • If the current element is greater than the maximum sum + 1, then the maximum sum + 1 is the smallest positive integer that cannot be represented.

    • If all...

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 45 minutes
Round difficulty - Medium

Timing: 2:00 pm
Online round over google meet, code at google docs.
The interviewer was not speaking much. It was a bit strange.

  • Q1. 

    Bottom Right View of Binary Tree Problem Statement

    Your task is to identify and return the bottom right view of a given binary tree.

    This involves viewing the binary tree from an angle of 45 degrees from...

  • Ans. 

    Identify and return the bottom right view of a given binary tree by viewing it from an angle of 45 degrees from the bottom right side.

    • Traverse the binary tree in a right-to-left manner and keep track of the last node encountered at each level.

    • Use a queue for level order traversal and update the result array with the last node at each level.

    • Return the result array sorted in ascending order as the bottom right view of th

  • Answered by AI
Round 4 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

Timing: 7:00 pm
The interviewer was friendly and in a bit of a hurry.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Indraprastha Institute of Information Technology Delhi. I applied for the job as SDE - 1 in DelhiEligibility criteriaNone except no active backlogsPaytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, DP, OOPS, Operating Systems, Computer Networks, DBMSTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : DSA is the key. Starting from scratch, one can become proficients in a couple of months.
Tip 2 : Solve questions just a bit outside your comfort zone. Solve too easy to too hard questions is not of any use.
Tip 3 : Be consistent, make a habit of following good coding practices.
Tip 4 : Get to know the ins and out of your projects. You must be very confident while explaining those.
Tip 5 : Don't just directly to system-design, brush up on OOPS principles, networks, OS, DBMS before that.

Application resume tips for other job seekers

Tip 1: Keep it crisp and to the point. Make bullet points.
Tip 2: Bold the things you want to be paid attention to. Use numbers rather than vague sentences.
Tip 3: Only put the things you are confident about.
Tip 4: Don't put things irrelevant to the job, it only dilutes the main content.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Face to Face 

Round duration - 45 minutes
Round difficulty - Medium

I applied thorough LinkedIn and got a call from HR for the interview.
I went to their Noida Office.
First round was mainly focused on Javascript fundamentals.
Interviewer was also friendly.

Round 2 - Face to Face 

(2 Questions)

Round duration - 1 hour
Round difficulty - Medium

Second round was after 15 minutes of the first round. The focus of this round was DS & Algorithms.

  • Q1. 

    Find Subarray with Given Sum

    Given an array ARR of N integers and an integer S, determine if there exists a subarray (of positive length) within the given array such that the sum of its elements equals S....

  • Ans. 

    Given an array and a target sum, find a subarray that sums up to the target sum.

    • Iterate through the array while keeping track of the running sum and the starting index of the subarray.

    • Use a hashmap to store the running sum and its corresponding index.

    • If the running sum - target sum is found in the hashmap, it means a subarray with the target sum exists.

    • Return the starting and ending indices of the subarray or [-1, -1]

  • Answered by AI
  • Q2. 

    Minimum Number of Platforms Required

    You are provided with two arrays, AT and DT, representing the arrival and departure times of all trains arriving at a railway station.

    Your task is to determine the m...

  • Ans. 

    This question asks to find the minimum number of platforms required at a railway station so that no train needs to wait.

    • Sort the arrival and departure times arrays in ascending order.

    • Initialize a variable 'platforms' to 1 and 'maxPlatforms' to 1.

    • Iterate through the arrival and departure times arrays simultaneously.

    • If the current arrival time is less than or equal to the current departure time, increment 'platforms'.

    • If ...

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

  • Q1. What JavaScript questions did he ask you during the managerial round, and can you describe the work culture of his team?
  • Ans. 

    The interviewer asked about JavaScript questions and the work culture of the team during the managerial round.

    • JavaScript questions related to closures, prototypes, event handling, and asynchronous programming may have been asked.

    • Work culture may involve collaboration, innovation, agile methodologies, and continuous learning.

    • Examples of work culture could include regular team meetings, code reviews, hackathons, and ment

  • Answered by AI
Round 4 - Face to Face 

Round duration - 15 minutes
Round difficulty - Easy

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in NoidaEligibility criteriaI applied for Frontend role so Javascript was needed.Paytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - JavaScript,React.js,Java,Node.js,DS & Algo,Time required to prepare for the interview - 1 monthInterview preparation tips for other job seekers

Tip 1 : Be strong at your basics.
Tip 2 : Don't hesitate to ask questions to interviewer.
Tip 3 : Prepare good for DS & Algo as most companies have a separate round for it.

Application resume tips for other job seekers

Tip 1: If possible make 1 page resume
Tip 2: Don't put too many things. Keep it simple. If you're a fresher and have good projects, do put them before your academic section.
Tip 3: Be ready to explain everything you have in your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Easy Medium questions

Round 2 - Design Test 

(1 Question)

  • Q1. Asked to design Basic Facebook.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Approached by Company

Round 1 - Technical 

(1 Question)

  • Q1. Low Level Design: How to do rate limiting for a platform serving 100K requests per second.
  • Ans. 

    Implement rate limiting for a platform serving 100K requests per second.

    • Use a token bucket algorithm to limit the rate of incoming requests.

    • Set a maximum number of tokens in the bucket to control the rate.

    • Refill the bucket at a constant rate to allow bursts of requests.

    • Track the timestamp of the last request to enforce the rate limit.

    • Consider using a distributed rate limiting system for scalability.

    • Monitor and adjust t...

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Nov 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

Mcqs based on cs fundamentals and 2_3 coding questions

Round 3 - Technical 

(2 Questions)

  • Q1. 2-3 DSA questions to be written on paper in the interview itself
  • Q2. Merge 2 sorted Linked list into 1
  • Ans. 

    Merge two sorted linked lists into one.

    • Create a new linked list to store the merged list.

    • Compare the values of the nodes from both lists and add the smaller value to the new list.

    • Move the pointer of the list with the smaller value to the next node.

    • Repeat the comparison and addition until one of the lists is empty.

    • Add the remaining nodes from the non-empty list to the new list.

    • Return the new merged list.

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. A full cv analysis interview round discussion on all the projects and team work experience

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for DSA quite well and make sure you know everything about your CV and must have some team work skills

Skills evaluated in this interview

Angel One Interview FAQs

How many rounds are there in Angel One Software Engineer interview?
Angel One interview process usually has 1 rounds. The most common rounds in the Angel One interview process are Technical.

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Angel One Software Engineer Interview Process

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Interview experience

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