ffreedom app Softwaretest Engineer Interview Questions and Answers

Streamlined normal DSA round

Q1. Place of work preference
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Q2. Why do you want to join paytm
Ans. 
I want to join Paytm because of its innovative technology solutions and strong market presence.
• Opportunity to work with cutting-edge technology

• Desire to be part of a leading company in the industry

• Excited about the potential for growth and learning opportunities at Paytm
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Very easy question over online platform

Q1. I don't remember
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Q2. Explain the project you have been working on
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The first round is OA and the majority questions are from leet code or similar

Q1. Second round is one to one and be ready for coding as well as some behavioural
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Q2. Leet code questions of easy to medium level
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Q1. The third round is also same as second and sometimes they go for 3rd also
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Q2. Leet code of medium level
Ans. 
Find the longest substring with at most k distinct characters.
• Use a sliding window approach to keep track of the distinct characters in the substring.

• Keep track of the start and end indices of the current substring.

• Update the start index of the substring when the number of distinct characters exceeds k.

• Update the end index of the substring and the length of the longest substring when a new longest substring is found.
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Q3. Explain an indecent when you failed in your task
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Q1. Be Confident, clear fundamentals, Stepwise Explanation with your actual experience with the technology or project
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2 da questions based on maps and set

2 questions again on graph and dp

Q1. Design big basket service
Ans. 
Design a service for online grocery shopping with a wide range of products and delivery options.
• Create a user-friendly website or app for customers to browse and order groceries

• Implement a secure payment gateway for online transactions

• Integrate a robust inventory management system to track products and availability

• Offer various delivery options such as express delivery or scheduled delivery

• Provide customer support for
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Q1. Bar raiser and one graph question
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2 medium/hard level algorithm questions

Design Parking - at C# ~ hour

Sliding Window and Dynamic Programming questions