I applied online. I interviewed at GSK in Nov 2017
Interview
I had a phone interview with the process engineer that I would be working with. It was mainly CASE questions and then just personal questions that were more casually based. The interviewer seemed nice and was very candid about the process.
Many stages, including aptitude tests, technical skill tests and situational judgement. All results took some time to get results. All tests were fair and you also have to do a 1:1 video interview with 5 questions