Proofpoint

I applied online. The manager contacted me directly. He asked me a bunch of questions, about Java and some recent projects. At the end, he declared that I was too junior for his group. I asked him why, and he said that I missed one of his questions

It was very good in so you will be having more or less four rounds of interviews in which you will be asking a design patterns how you design how you will solve the problem all those stuff and all and it is more or less you will be having too much of

Through a recruiter. Scheduled a Skype interview with the hiring manager after 2 weeks. Had a good talk, basically just asked what I did in the past etc.. I was told they will bring me onsite, but did not hear from them since.