Brainlab Software Engineer - Front End interview questions

1. There was a phone interview with a frontend engineer from the team, mostly get to know each other and some basic technical questions. 2. After 15 days, a video call got scheduled with R&D manager, senior software engineer and technical recruiter. The interview lasted for 1.5 hours. Mostly technical questions based on previous experience, also some questions about agile. The interview went quite well I would say, and was expecting a positive response. I was told that I will get the result in 2 weeks max. I waited for 2 weeks no response, there is no contact with the recruiter. I tried contacting over phone and email many times but could only get standard response that 'you are still in the process'. After 4 weeks, I got a rejection mail with standard response again, no feedback! No transparency!