Maersk Line Senior Data Engineer Interview Questions and Answers

Q1. Basic string related coding questions
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Q2. Core java questions
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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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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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They grasping our knowledge

Q1. They check how to grasp they ideas
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Q2. My details want to hire my skills
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Q1. Testing test yasdjalsd a aslkjdad
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Q1. IngTest aslkdja;ld asldjkas;d a;dk
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UI coding test depending on your experience

Q1. Basic behavioural questions asked
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Q1. What is logistics? How you will handle pressure?
Ans. 
Logistics is the process of planning, implementing, and controlling the efficient flow and storage of goods, services, and information.
• Logistics involves activities such as transportation, warehousing, inventory management, and order fulfillment.

• It aims to ensure that the right products are delivered to the right place, at the right time, and in the right condition.

• Logistics plays a crucial role in supply chain managem...read more
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Q2. Is your excel good. ? How to solve any problem?
Ans. 
Yes, my excel skills are good. To solve any problem, I follow a systematic approach by analyzing, breaking down, and finding appropriate solutions.
• I have a strong understanding of Excel functions and formulas.

• I am proficient in data analysis and manipulation using Excel.

• I can create complex spreadsheets and automate tasks using macros.

• I have experience in data visualization and creating charts and graphs.

• I am skilled i...read more
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