Hi Everyone,
I recently received an opporunity for interviewing for SDE 1(Backend) position at Project44. project44 is an american startup office based in bengaluru. I am recent graduate (2024) having 2 month internship experience at Amazon.

I took a referral from senior Employee and directly undergo the 3 stage of interviews for the position.

Interview 1 (DSA, CS Fundamentals): The interview started with mine introduction, and then straight moved toward the first question.
Questions is on string Group Anagrams I took sometime and discuss the approach and then interviewer said to write the complete code on online compiler and at the end we dicuss the space and time complexity and then he asked me mine amazon intern experience and basic CS fundamentals questions.

Interview went well and I was selected for 2nd round,.

Interview2 (DSA, System Design): Interview started with basic introduction, asked some c++ fundamental question, sorting algorithms and then interviewer share the code pair and shared the questions, I did not remeber the exact questions, but I was hard based on array, I started with the brute force and code it down but it is giving TLE and then i tried to optimise that not all test cases are passing (8/15) then thee interview ended. Interviewer said i need to work more on DSA. After the interview i tried to find the solution but not able to find it anywhere.

But i don't how after 4 days i received call for the next round(final) HM round

Final round ( Hiring Manager Round): Interview started with the basic introduction and interviewer asked me some basic CS quesitons, moving towards System Design and caching its types and all.
then we discuss LRU and then he said to code it down, I code the complete LRU and discuss all its functions and complexity then he add one more variable of time.

After all this, He said me to code down LFU, i was reallty tough for me, I was trying to explain the approach but the interviewer has its own approach in its mind, but somehow i was able to code it down, interview ended on good note from my side.

Next day I received the call and recruiter said sorry!