Trafigura Senior Software Engineer Interview Questions and Answers

Q1. Sorting algorithms
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Q1. Detailed project diacussion
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Q1. Basic hr questions
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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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Basic algorithms testing

Q1. HLD question on chat application
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Q1. What is restful api
Ans. 
RESTful API is an architectural style for designing networked applications
• REST stands for Representational State Transfer

• Uses standard HTTP methods like GET, POST, PUT, DELETE

• Resources are identified by URIs

• Stateless communication between client and server

• Responses are typically in JSON or XML format
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Q2. Bootstarp grid system
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Q1. Explain JDK. and JRD and JVM
Ans. 
JDK stands for Java Development Kit, JRE stands for Java Runtime Environment, and JVM stands for Java Virtual Machine.
• JDK is a software development kit used for developing Java applications.

• JRE is an environment used to run Java applications.

• JVM is a virtual machine that executes Java bytecode.
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2 Hrs. Hackerrank Coding Test

Q1. With HR manager.
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Q2. Why should we hire you.
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Q1. There questions were on java mainly focusing on oops concept followed my exception handling concept
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Q2. What is checked and unchecked exception demonstrate with an example
Ans. 
Checked and unchecked exceptions are used in Java to handle errors. Checked exceptions must be handled, while unchecked exceptions do not.
• Checked exceptions are checked at compile-time and must be handled using try-catch or throws keyword

• Unchecked exceptions are not checked at compile-time and do not require handling

• Example of checked exception: IOException

• Example of unchecked exception: NullPointerException
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Q3. They asked questions on html
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Q1. What are your salary expectations?
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Q2. Tell me about yourself.
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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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Q1. Sorting algorithms
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Q1. Detailed project diacussion
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Q1. Basic hr questions
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