LeadSoc Technologies India Senior Software Engineer Interview Questions and Answers

Duration: 1Hour 30 Minutes, 2 Coding Questions of Total 175 Marks. 1st Question has 75 marks and 2nd Question has 100 marks.

Q1. 1. Find the smallestMissingNumber in given array using Bitwise OR operation alone 2. Based on Array data Manipulation.
Ans. 
Using Bitwise OR operation to find the smallest missing number in an array.
• Iterate through the array and perform Bitwise OR operation with each element to set corresponding bit in a bitmask

• Iterate through the bitmask to find the first unset bit, which represents the smallest missing number

• Example: Array [0, 1, 3, 4, 6] would have a bitmask of 10101, smallest missing number is 2
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Q2. Q2: Customized Data Extraction From Given Dynamic Array & Perform Some Math Operations On the Extracted Data
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Q1. Write a Pseudo code for given scenario?
Ans. 
Pseudo code for a scenario
• Define variables and data structures needed

• Write the main logic using conditional statements and loops

• Handle edge cases and error conditions

• Test the pseudo code with sample inputs
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Q1. System Design & Design Pattern based questions
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Q1. Not Applicable (Yet to be scheduled)
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Major questions were around problem solving, strings

Q1. Selenium xpath and dynamic loading of elements
Ans. 
Selenium xpath is used to locate elements on a web page, especially useful for dynamic loading scenarios.
• Use xpath to locate elements based on their attributes or position on the page

• For dynamic loading, use explicit waits to ensure elements are present before interacting with them

• Consider using relative xpath expressions to make your tests more robust and maintainable
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Q2. Java programs on strings
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Q3. Test Ng architecture explain
Ans. 
TestNG is a testing framework inspired by JUnit and NUnit, with more advanced features for test automation.
• TestNG uses annotations to define test methods and test configurations.

• It supports parameterized tests, test dependencies, and test groups.

• TestNG allows parallel execution of tests, making it faster than other testing frameworks.

• It provides detailed test reports and supports data-driven testing.

• TestNG can be integ...read more
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Q1. Some technical question on advanced java
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Q1. Scenario based question design swiggy app on microservice architecture
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Q1. Tell me about your Protect?
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Q2. Questions on C++
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Q1. Day to day tasks
Ans. 
Day to day tasks involve coding, debugging, testing, and collaborating with team members.
• Writing code for new features or fixing bugs

• Debugging and troubleshooting issues

• Testing code to ensure quality and functionality

• Collaborating with team members on projects

• Participating in code reviews and providing feedback
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Q2. Team management questions
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Q1. Salary negotiations
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Q2. Bahaviour questions
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I interviewed with Mediatek having just 1 year of experience. It was for outsourcing position.

They asked me concepts from C language, writing code for data structures (LinkedIn list), and a question on string which I can't remember. This was pre COVID days.

Q1. Write code to insert a node to the middle of linked list
Ans. 
Insert a node to the middle of a linked list
• Find the middle node using slow and fast pointers

• Create a new node with the data to be inserted

• Adjust the pointers to insert the new node in the middle
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OOPS Principle.
SQL
Java Coding Round - with easy level of questions