Initial phone screen with team lead discussing skills, job requirements and responsibilities, some basic architecture questions. Aftewards, two coding phone screens done via coderpad (with built-in tests... Roblox was the only one to do this!). Followed by a refreshingly short and rapid-fire interview (I had gone to a 10 hour interview prior to Roblox), and a secondary interview at a later date that was ~1.5 hours.