I applied through an employee referral. I interviewed at GSK (Heidelberg, Baden-Wurttemberg) in June 2026
Interview
first round. HackerRank coding interview for 135 mins. They asked 4 questions. one was pandas dataframe question and the other 3 were 2 pointer, DFS and sum over every subarray.
Interview questions [1]
Question 1
2 pointer question for best pairs
DFS subarray question to check the maximum depth for each parent
Sum of sub array question