It took me like 2 weeks from the beginning till the result is announced. 3 times interview by phone & google hangout: 1x with tech recruiter asking about my current employment experience and some tech questions related to OOP. 1x with Senior Android Engineer tested me live coding, read code in Go, explain what the code does, then optimise the code. 1x Panel Interview with 3 engineers asking me about my view about architecture pattern, why need to implement clean architecture, how to choose the right architecture for your app, OOP, Android knowledge and some discussions about what they have at Ruangguru tech.