Technical Data Science Interview Questions: SQL and Coding

Alexey Grigorev is a Data Scientist at OLX Group. This post includes questions I ask when interviewing candidates as well as questions I was asked when I was looking for a job. We’ll cover the questions you may receive during this technical interview round. These questions aim at checking if candidates know the basics of Python, simple data structures and strings. The way the interview goes really depends on the company. Often, during one hour, you get a few tasks of increasing complexity and you have to solve them one by one.