Initial screening round with HR, one 45 minutes phone interview with solving coding questions online (very very easy [values in an array, 1 is duplicate, return the duplicate] similar questions) then an onsite interview with 4 rounds.
Even if you perform well in all but one, you won't get the offer.
The following metrics were computed from 1 interview experience for the Circle Software Developer role in Boston, Massachusetts.
Circle's interview process for their Software Developer roles in Boston, Massachusetts is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Circle's Software Developer interview process in Boston, Massachusetts.