I applied online. I interviewed at CleanChoice Energy (Washington, DC) in Jul 2022
Interview
Informational video call, followed by take home test with SQL and Python components, then a follow up interview regarding the test. Some email correspondence in between each step. Did not follow up after last interview.
Interview questions [1]
Question 1
How could you have further improved your python code to handle the additional variables of interest? Why did you choose this join in your query?
I applied through university. The process took 4 weeks. I interviewed at CleanChoice Energy in Mar 2016
Interview
I got the email requiring 48 hours to complete three projects. First two are SQL codes and the third one is Python project. Jupyter Notebook is requested to complete the last projects, including the codes, comments, and analysis.
Interview questions [1]
Question 1
Given the dataset of customer energy usage dataset, I was asked to do analysis or data visualization and make a prediction of next month invoice amount.
