I got interviewed at Stellar Labs in April 2018, over all experience is very good, initially a phone screen is conducted by senior architect, the questions asked are pretty reasonable , cover over all basics in the technologies mentioned on resume, satisfied with my performance, got an invitation for onsite interview at redwood city, CA, in on site interview, 4 rounds of technical rounds are conducted, each round is a combination of testing your theoretical knowledge and practical experience, I got the offer letter with in 1 week ,