Maersk Senior Data Engineer Interview Questions and Answers

Q1. Tell me about your previous experience
Ans. 
I have over 5 years of experience in software development, focusing on web applications and cloud solutions.
• Developed a scalable e-commerce platform using React and Node.js, improving load times by 30%.

• Led a team of 4 in migrating legacy systems to AWS, resulting in a 40% reduction in operational costs.

• Implemented CI/CD pipelines using Jenkins, which decreased deployment times from hours to minutes.

• Collaborated with cr...read more
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Q2. Why do you want to join vanderlande
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Q1. Questions about kubernetes and dockerfile
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Q1. Questions about your past experience
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Q1. It was in general discussion round
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Q1. General discussion round
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Q1. Personal & Academics Questions
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Q1. Notice Period & Rotational Shift question
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They take a typing speed test in the fist round and the keyboards very old and narrow so you press wrong keys (next key) in a hurry. They also take a email writing test.

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. Basic string related coding questions
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Q2. Core java questions
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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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