I applied in-person. The process took 4 weeks. I interviewed at Iberdorla in Apr 2025
Interview
General introductions, basic STAR questions. No technical questions stood out at all. Overall an okay experience. Some questions were repeated, so I'm not sure if that means I answered wrong, or if I misunderstood.
I applied in-person. The process took 1 day. I interviewed at Iberdorla (Madrid) in Aug 2025
Interview
fue una entrevista rápida en la que te preguntan por tu experiencia previa, motivación y expectativas. Te epxlican el plan de carrera y los beneficios de trabajar en la empresa.
I applied online. I interviewed at Iberdorla (Doha)
Interview
Initial phone screen.
After that they call you for an online test. This is done through some online test platform and contains data science questions and programming/coding challenges including SQL challenge. The data science test consisted of some questions where you had to type your answer.
I think there is another is another interview stage after the test but did not make it that far.
Interview questions [1]
Question 1
What is the bias-variance tradeoff?
What is the difference between normalization and standardization?