Worldpay Graduate Engineer Interview Questions and Answers

Q1. Level 2 IT support Engineer questions
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Q2. Brief explanation about L2 level of work
Ans. 
L2 level of work involves intermediate level tasks and responsibilities in a specific field or domain.
• L2 work requires a deeper understanding and expertise compared to L1 work.

• It involves troubleshooting and resolving complex issues.

• L2 engineers often provide support and guidance to L1 engineers.

• They may be responsible for implementing and maintaining systems or processes.

• L2 work requires strong problem-solving and ana...read more
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Q1. L2 practical questions
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Q2. Brief explanation about experience
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Online Assessment , Where maths , basic algebra , SQL , NTSE level questions

Group discussion happened in 2nd round

Q1. SQL , Data Structures , Projects , Machine learning if any projects
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Q1. What is your Weekness
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I tend to be overly critical of my own work, which can sometimes lead to perfectionism.
• I have a tendency to spend too much time on a task to ensure it is perfect

• I can be overly self-critical and have high expectations for myself

• I am working on finding a balance between striving for excellence and accepting imperfections
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Q2. What are you bringing to the org .
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I believe I can bring innovative problem-solving skills, a strong work ethic, and a passion for continuous learning to the organization.
• Strong problem-solving skills

• Hardworking and dedicated

• Passionate about learning and growth
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Q1. How can you construct a tree of strings from the root to the last child in a HackerRank challenge? tree list will be feeded in as array
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Constructing a tree of strings involves organizing data hierarchically, where each string can have multiple child strings.
• Define a TreeNode class: Create a class to represent each node in the tree, containing a string value and a list of child nodes.

• Build the tree: Iterate through the input array, adding each string to the appropriate parent node based on a defined relationship.

• Example structure: For an input array lik...read more
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Q2. Tell me about yourself
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Q1. What is collection framework
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Collection framework is a unified architecture for representing and manipulating collections of objects in Java.
• It provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) to store and manipulate groups of objects.

• Collections framework simplifies the process of storing, retrieving, and manipulating data in Java programs.

• It allows developers to work with collections of objects in a consistent and e...read more
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Q2. What is data driven testing
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Data driven testing is a testing approach where test cases are created based on data from external sources.
• Test cases are designed based on input data and expected output data

• Allows for testing multiple scenarios with different data sets

• Reduces the need for manual intervention in test case creation and execution
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