Paytm Software Developer Interview Questions, Process, and Tips

Questions related to DP and graph were asked

Q1. Tell me about yourself
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Q2. Shortest path in a graph
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Coin change problem was asked

Q1. Why join Paytm??
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Q2. What do you think about future of Fintech in India
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Q1. Vertical order traversal
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Q2. Redis based questions
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Distance between two Points in xy plain
Concurrent hashmap internal working
Treemap vs Multivalue map

3 questions on Hackerrank

Q1. Recursion Leetcode Medium question
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Q2. Tree Leetcode Medium - Hard Question
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Q1. DP medium question
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Q2. Tree Medium Question
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2 Questions based on DS and Algo basic problem solving.

Q1. How many times a boat has to make rounds to travel a number of people from one to another.
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Q1. Types of DS and a real life scenario.
Ans. 
Types of DS and a real life scenario
• Arrays - storing a list of names

• Linked Lists - managing a playlist

• Stacks - undo/redo functionality in text editors

• Queues - managing customer requests in a call center

• Trees - organizing files in a computer

• Graphs - social network connections
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Q1. Salary DIscussion on what is current and expected.
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I was asked these DSA questions:
1. backtracking question of finding a path from start to endpoint in a maze (2x2 matrix), it has obstacles in between also. basic question you can find this on GFG
2. code all 3 traversals off a tree.

Q1. It was an HR round with a Technical question, 1. how do you find a median in the LinkedIn list
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Q2. Questions were asked about my resume
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Q3. Why do you want to join Paytm?
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The coding round consisted of three questions on arrays, linked lists and trees. It was 70 minutes long.

Q1. The interviewer asked me to introduce myself and then started off by asking me a question on graphs, sorting algorithms and my skills from the resume. Make sure you have thorough knowledge about your resum...read more
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Q2. Given a graph, print all the connected components in it.
Ans. 
Print all the connected components in a given graph.
• Traverse the graph using DFS or BFS algorithm.

• Maintain a visited array to keep track of visited nodes.

• For each unvisited node, perform DFS or BFS and add all visited nodes to a connected component.

• Repeat until all nodes are visited.

• Print all connected components.
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Q1. The interviewer asked me questions from my resume on projects mentioned, my skills. Make sure your resume has precise.
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Q2. Tell me something that's not on your resume.
Ans. 
I have experience working with agile development methodologies.
• I have worked in Scrum teams and participated in daily stand-up meetings.

• I am familiar with the concept of user stories and have written them for software projects.

• I have experience working in sprints and delivering incremental software updates.

• I have used tools like Jira and Trello for project management in an agile environment.
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Q1. Tell me about yourself.
Ans. 
I am a software developer with experience in various programming languages and a passion for creating innovative solutions.
• Experienced in Java, C++, and Python

• Developed a mobile app using React Native

• Worked on a team to create a web application using AngularJS

• Strong problem-solving and analytical skills
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Q2. What is your family background?
Ans. 
My family background is diverse and includes individuals from various professions and cultural backgrounds.
• My father is a doctor and my mother is a teacher.

• I have two siblings, one is an engineer and the other is a lawyer.

• We have relatives who are artists, entrepreneurs, and scientists.

• Our family gatherings are always filled with interesting conversations and different perspectives.
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Q3. Why should we hire you?
Ans. 
I have a strong technical background and a passion for software development.
• I have a solid understanding of programming languages and frameworks.

• I have experience in developing and maintaining software applications.

• I am a quick learner and adapt well to new technologies.

• I am a team player and work well in collaborative environments.

• I have excellent problem-solving and analytical skills.

• I am dedicated and committed to d...read more
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Q4. What are your strengths and weaknesses?
Ans. 
My strengths include problem-solving, attention to detail, and teamwork. My weaknesses include time management and public speaking.
• Strengths: problem-solving, attention to detail, teamwork

• Weaknesses: time management, public speaking
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