DP World Senior Software Engineer Interview Questions and Answers

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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Q1. Introduce yourself
Ans. 
I am a Senior Software Engineer with 8 years of experience in developing web applications using Java, Spring, and Angular.
• 8 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience in leading development teams

• Passionate about learning new technologies
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Q2. Build a digital stopwatch with HTML, CSS, JS
Ans. 
Build a digital stopwatch using HTML, CSS, and JS
• Create HTML structure with buttons for start, stop, and reset

• Use CSS to style the stopwatch display

• Implement JS logic to start, stop, and reset the stopwatch
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Q3. What is your day to day work life looks like?
Ans. 
As a Senior Software Engineer, my day-to-day work involves designing and developing software solutions, collaborating with team members, troubleshooting issues, and staying updated on industry trends.
• Designing and developing software solutions based on project requirements

• Collaborating with team members to discuss project progress and brainstorm solutions

• Troubleshooting and debugging code to fix issues and improve perf...read more
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Q4. Horizontal vs vertical scaling
Ans. 
Horizontal scaling involves adding more machines to distribute load, while vertical scaling involves increasing the power of existing machines.
• Horizontal scaling adds more machines to handle increased load

• Vertical scaling increases the power of existing machines

• Horizontal scaling is more cost-effective and easier to implement

• Vertical scaling may have limitations in terms of hardware capabilities

• Examples: Horizontal sca...read more
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Q5. Load balancer vs API gateway
Ans. 
Load balancer distributes incoming network traffic across multiple servers, while API gateway manages API traffic.
• Load balancer operates at the network layer, distributing traffic based on algorithms like round-robin or least connections.

• API gateway operates at the application layer, providing features like authentication, rate limiting, and caching for APIs.

• Load balancer can balance traffic for any type of application...read more
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Q6. There is a scenario where user wants to upload multiple files at once but provided API can on accept one file at a time, how tackle this scenario gracefully?
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Problem to solve with importance to coding standards

Q1. Indepth knowledge of JS html n CSS
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Q1. Manager round and agile principles
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Q1. HR discussions on the job expectations
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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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Some leetcode medium problem

System Design and Cloud

Q1. Managerial round casual introduction
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Q1. Salary discussion
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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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Q1. Api optimisations, query optimisations, how to keep code more extensible, scalable etc
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Q1. Questions related to designing around redis
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