Delhivery IT Technical Support 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. 1) OOPS 2) SOLID 3) Design Patterns 4) SQL Concepts
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Q2. LINQ joins on 2 tables
Ans. 
LINQ joins on 2 tables allow for combining data from both tables based on a common key.
• Use the 'join' keyword in LINQ to join two tables based on a common key

• Specify the key to join on using 'equals' keyword

• Select the desired columns from both tables in the result
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Q3. Example of Open close principle
Ans. 
Open close principle states that a class should be open for extension but closed for modification.
• Classes should be open for extension through inheritance or implementing interfaces

• Classes should be closed for modification to avoid breaking existing code

• Example: Using abstract classes or interfaces to define behavior and allowing subclasses to implement specific functionality
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Easy to medium level leetcode or hackerrank problem.

Q1. Hashmap based question
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Q2. Microservice Database design
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Q1. About Azure Cloud, System Design high availability, reliability, performance.
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Coding problem on integer to Roman number conversion.

Q1. Managerial round, why you want to join Maersk ?
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Largest sum sub-sequence

Q1. Behavioural round only
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Q2. Weakness, strength
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Q1. SOLID principles
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Q2. Anagram program
Ans. 
An anagram program checks if two strings can be rearranged to form each other.
• Convert both strings to lowercase to ensure case insensitivity. Example: 'Listen' and 'Silent'.

• Remove any non-alphabetic characters if necessary. Example: 'A gentleman' and 'Elegant man'.

• Sort the characters of both strings and compare them. Example: 'abc' and 'cba' both become 'abc' when sorted.

• Alternatively, count the frequency of each chara...read more
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Some leetcode medium problem

System Design and Cloud

Q1. Managerial round casual introduction
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Q1. Salary discussion
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Offline coding task based on small requirement.

Some coding tests like LinQ queries, Random number generations etc and other C# based technical questions

Q1. It is 1.30 hr. 30 mins of coding or code review based discussion. 30 mins of System design like Photo upload, GPS extraction, satelite image etc. 30 mins of Manager round (not technical, mostly Engineering...read more
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Q1. What are your salary expectations?
Ans. 
I expect a competitive salary that reflects my skills, experience, and the industry standards for a Senior Software Engineer.
• Based on my research, the average salary for a Senior Software Engineer in this region is between $120,000 and $150,000.

• I have over 8 years of experience in software development, which I believe warrants a salary towards the higher end of that range.

• I am also open to discussing additional benefit...read more
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Q2. Share details of your previous job.
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Q3. Why should we hire you?
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Q4. Why are you looking for a change?
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Q5. Where do you see yourself in 5 years?
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Q6. Tell me about yourself.
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Q7. Dedicated 30 mins slots with typical HR questions but nothing to worry.
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