First Round : Explained everything in my resume. Then they asked me to explain mathematical details of the algorithms that i used at work. Second Round : Asked me how will i improve text extraction using deep learning. I have never used Deep Learning for text extraction, so explained about concepts of rnn and image segmentation to do that. Third Round : Interview with a Data Scientist in USA. he asked me some questions about CNN, word2vec, what kind of pooling layers used etc.