GLOBALFOUNDRIES Senior Software Engineer Interview Questions and Answers

Q1. Invert bits of a number
Ans. 
Invert the bits of a given number
• Use bitwise XOR operator (^) with 1 to flip each bit

• Repeat the process for all bits in the number

• Return the inverted number
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Q2. How do you support backward compatibility whiel designing a system
Ans. 
Backward compatibility can be supported by using versioning, deprecation strategies, and maintaining clear communication with users.
• Use versioning to clearly distinguish between different versions of the system

• Implement deprecation strategies to phase out old features gradually

• Maintain clear communication with users about upcoming changes and provide migration paths

• Consider using compatibility layers or adapters to bri...read more
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Q1. Dsa questions , angular , .net core and SQL
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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. Reserve Binary Search Tree
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Q1. Basic questions around testing.
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Here they asked lots of logical reasoning questions and checked on how you approached different situations

Q1. Explained package and other details
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1 easy, 1 medium and 1 hard LC

Q1. 1. How will access files in a different server? 2. There are several files all containing similar key value pairs. The values differ in all files. How will you identify all the values that are same and ot...read more
Ans. 
To access files in a different server, use protocols like FTP or SSH. To identify similar key value pairs in multiple files, compare values using a script or tool.
• Use FTP or SSH protocols to access files in a different server

• Write a script or use a tool to compare key value pairs in multiple files

• Identify values that are the same and different across files

• Example: Use Python script to read files and compare key value p
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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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