DP World Senior Software Engineer Interview Questions and Answers

Q1. How to identify and solve race condition.
Ans. 
Identifying and solving race conditions involves understanding concurrent execution and implementing synchronization mechanisms.
• Understand the critical sections of code where race conditions can occur

• Use synchronization mechanisms like locks, semaphores, or atomic operations to control access to shared resources

• Implement thread-safe data structures or use thread-safe libraries to avoid race conditions

• Use tools like sta...read more
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Q2. Solve an array question on finding the third largest in an unsorted array.
Ans. 
Find the third largest element in an unsorted array of strings.
• Sort the array in descending order.

• Remove duplicates if necessary.

• Return the element at index 2 as the third largest.
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Q1. Sorting algorithms
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Q1. Detailed project diacussion
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Q1. Basic hr questions
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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
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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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Some leetcode medium problem

System Design and Cloud

Q1. Managerial round casual introduction
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Q1. Salary discussion
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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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Easy to medium level leetcode or hackerrank problem.

Q1. Hashmap based question
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Q2. Microservice Database design
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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?
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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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