I applied online. The process took 2 weeks. I interviewed at OLX Group (Berlin) in May 2022
Interview
Quick process. First interview with HR, then a cultural interview with manager and head of department. No technical questions there. Afterwards, a technical interview with some SQL coding and dimensional data modelling, along with some interviews. Then, offer.
Interview questions [1]
Question 1
What is dimensional modelling? SQL overall questions. What are CTE, windowing functions, aggregations.
First: Interview with HR - access CV, experience and English conversation,
Second: Technical Interview with (Senior) Data Engineers from the team you will be working with - technical questions followed by SQL and Python exercises,
Third: Soft Skills and Behaviour Interview with Hiring Manager
Interview questions [1]
Question 1
Describe a data pipeline you built end-to-end. What challenges did you face?
