Amazon Senior Software Developer interview questions

I applied online Then I had a Recruter contacting me Then I had to take an online exam Then I had a 1:1 call with a technical development manager The process was very smooth, but the person who did the call with me was very un welcoming and super hard to understand If I asked him to explain or repeat something I didn’t hear, he says never mind I have another question It was very un professional of him acting this way,

Long interview process, 5 rounds of interview. First you have to clear the assessment. Then there is on site interview. Chose one language and just master it. You should know in detail about the language