I applied online. I interviewed at Sensirion (Zürich)
Interview
First round but with Hiring Manager, he looked nice and available to answer questions and genuinely interested in the candidate. It made a pretty clear picture of the role (after asking me what I thought I understood about) and explained the day by day tasks.
I applied online. The process took 2 weeks. I interviewed at Sensirion (Zürich) in Oct 2025
Interview
A first interview with your future manager followed by a visit of the campus with a short presentation to prepare describing on of the product and why it fascinates you.
Exchange of information from both side; very open and friendly talk.
For technology, mainly spark was asked.
There are also some simple spark problems to solve as kind of "coding test"
Interview questions [1]
Question 1
F. what is UDF;
F. given a piece of pyspark code, what are the bugs, what can be improved.