I applied online. The process took 4 weeks. I interviewed at Amazon in Dec 2020
Interview
I received an email from a recruiter who invited me to apply for an internship (with research focus on Operations Research). I had two technical interviews. Both interviews tested basic probability/statistics knowledge, simulation and coding.
Interview questions [1]
Question 1
Basic probability/statistics questions, simulation and coding
I was asked basic knowledge in deep learning and machine learning. Also had time of explaining my research. discussed how I can apply my research to the current project. Transformer architecture, bias-var tradeoff, use of positional encoding, long-term dependencies.
HackerRank assessment with solid, fair questions. Communication with the recruiting team was clear and professional throughout the process. I was invited to two additional interviews, one focused on research depth and the other on coding skills.
One phone screen on LeetCode-style medium coding question plus behavioral questions. One loop of three back to back interviews including one round of coding, two rounds of research plus behavioral questions.
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