Ecom Express Associate Software Development Engineer Interview Questions and Answers

It was a normal aptitude test with mathematical questions.

It was a techno-coding test where I had to code while sharing my screen on a live conversation with the interviewer.

Q1. I was primarily asked about managerial questions on adaptability to new technology and creativity if existing solutions don't work.
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Q2. In a situation where your team is not getting a proper result with existing approach your team uses, how would you try to fix it?
Ans. 
I would analyze the current approach, identify the root cause of the issue, brainstorm alternative solutions, and collaborate with the team to implement and test them.
• Analyze the current approach to identify weaknesses

• Brainstorm alternative solutions with the team

• Implement and test the new solutions

• Regularly communicate and collaborate with team members
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Q1. Csharp basics and a coding questing was given to implement
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Q2. .net and angular basics questions
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Q1. Asked deeply about my resume and technologies
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Q2. Coding question to sort a given array using DSA
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Q1. Questions on Django middleware, models and queries
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Q1. Design an algorithm to efficiently to send office bus to all location in the city
Ans. 
Use a greedy algorithm to send the office bus to all locations in the city efficiently.
• Start from the office location and pick the nearest location to visit next.

• Continue picking the nearest unvisited location until all locations are covered.

• Repeat the process until all locations are visited.

• Consider using Dijkstra's algorithm or a similar approach for finding the nearest location.

• Optimize the route by considering traf
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Q1. Round with CTO, mostly behavioural and expected pay
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Q1. Introduce yourself.
Ans. 
I am a software developer with 5 years of experience in Java and Python.
• Experienced in Java and Python programming languages

• Worked on various projects involving web development and data analysis

• Familiar with Agile methodologies and version control systems like Git
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Q2. Project related questions.
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Q1. Tell what is your name
Ans. 
My name is John Smith.
• Full name is John Smith

• Common name in English-speaking countries

• No middle name or initial
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Q2. What do you do in free time
Ans. 
In my free time, I enjoy hiking, playing video games, and learning new programming languages.
• Hiking in local trails and national parks

• Playing video games like Overwatch and Minecraft

• Learning new programming languages like Python and JavaScript
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Q1. Given a string, find the longest length palindromic substring in the given string.
Ans. 
Find the longest palindromic substring in a given string.
• Use dynamic programming to solve the problem efficiently.

• Start with the base cases of single characters and two characters.

• For longer substrings, check if the first and last characters match and if the substring between them is also a palindrome.

• Keep track of the longest palindrome seen so far.

• Time complexity: O(n^2), space complexity: O(n^2).
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Q1. Mention the most challenging technical problem you had to solve.
Ans. 
Developing a real-time data processing system for a high-traffic website.
• Designing a scalable architecture to handle the high volume of incoming data.

• Optimizing the data processing algorithms to minimize latency.

• Ensuring data consistency and accuracy in a distributed system.

• Implementing fault-tolerant mechanisms to handle system failures.

• Testing and debugging the system under various load conditions.
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Q2. Some minor low level entity design.
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