Data Scientist applicants have rated the interview process at ION Group with 3.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 59.6% positive. This is according to Glassdoor user ratings.
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I applied online. The process took 2 weeks. I interviewed at ION Group (Pisa) in Apr 2024
Interview
After CV screening, chat with the CTO, then a hacker rank test and a final interview with some live data science and coding tests.
Overall, not so complicated. However, they sell as data science what actually is a lot of data cleaning and analysis, modelling does not go further than a logistic regression.
Indeed, the live coding test was full of "gotcha" on data quality issues, Zero interest in assessing modeling knowledge.
Interview questions [1]
Question 1
Sketch out the database structure of a given best-price system that monitors different websites.