Status: Working as Software engineer 6+ years of experience
Position: Senior Android Developer @Gaana(India's largest music streaming app)
Location: New Delhi, India

Technical phone screen (1 hour , 1 coding problem + Android questions):

• coding problem number in words
• android activity questions on rotation of screen and bitmap loading

Onsite(Singapore, 4 rounds , 2 coding-1 Design-1Behvaiour, 45 minutes )

Coding

• move zeros to end
• most consecutive frequent character
• Valid BST
• K largest elements in an array

Design

• Design messenger like chat app (1-1) where you can only send images. Design apis for sending images and consider UI is already built and you have infinite resources

Behaviour

• Why do you want to join facebook?(don’t answer because its a great company give some real reason )
• How do you resolve conflict with manager tell me a recent conflict with him?
• Explain technical challenges you faced.
• What do my teamates think of me?
• General discussion around instagram and i asked few questions on his experience of working in Facebook

Design round probably was the reason for me not getting selected. Please practice design before the onsite round with you peers because he threw me off my track a lot and probably he wanted to hear some exact answer which i was not able achieve. All other rounds were pretty good finished them before time and with the optimized solution