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Summary
I interviewed for an SDE Intern role at Infineon in Bangalore and was successfully selected after completing an online assessment and two technical interview rounds followed by an HR discussion.
Full Experience
I interviewed for the SDE Intern role at Infineon Technologies, which visited our campus virtually in March 2023. The selection process comprised one online round followed by two technical interviews and a final HR discussion.
The first round was an Aptitude + Technical MCQ test conducted on GeeekAssess.com, utilizing third-eye proctoring. It had 10 sections covering OOPs, Machine Learning, Aptitude, Microcontrollers, Web Development, Embedded C, Python, C++, and Digital Electronics, with each section having a time limit of 10-13 minutes, totaling 90 minutes.
My first technical interview required me to share my screen. The interviewer presented a coding question, asking me to implement Bubble Sort on a random integer array and then perform a binary search on the sorted array. I was also questioned about the time complexities of these algorithms. Following the coding task, the interviewer delved into core computer science subjects, including Operating Systems, Computer Networks, and Database Management Systems.
In the second technical interview, I was given a program related to file handling to solve. After completing it, the interviewer shifted to fundamental concepts and asked me to write some SQL queries.
After successfully clearing both technical rounds, I was informed of my selection, and an HR discussion was scheduled for the very next day. The HR discussion proceeded smoothly, leading to my final selection for the SDE Intern role.
Interview Questions (1)
I was asked to take a random integer array, sort it using the Bubble Sort technique, and then apply binary search on the sorted array. The interviewer also inquired about the time complexities of both operations.
Preparation Tips
My preparation focused on core computer science subjects like Operating Systems, Computer Networks, and Database Management Systems. I also brushed up on Object-Oriented Programming (OOPs) concepts and various programming languages like Python and C++. For the coding challenges, I practiced fundamental data structures and algorithms, ensuring I understood concepts like sorting (e.g., Bubble Sort) and searching (e.g., Binary Search) and their time complexities. I also familiarized myself with basic SQL queries and file handling programming tasks.