Sachin Kalsi, a data scientist at Draup, has over four years of experience in software development and two and a half years of experience developing machine learning models. Kalsi has worked extensively in the realm of e-commerce websites and the analysis surrounding them, as well as natural language processing applications such as named entity recognition, text classification, natural language understanding, and information retrieval from unstructured data. Kalsi is proficient across a variety of technologies, including Python, Node.js, Ruby on Rails, JAVA, CRM, AWS, as well as with multiple databases including Mongo DB, Postgre SQL, and MySQL. Kalsi is also an avid blogger with a vast repository of code available for review on Github.