I only took part in a very preliminary coding certification task from CodeSignal. CodeSignal arranges a certification exam requested by a particular company.
There are four programming questions of moderate difficulty, I would say.
Depending on the acceptance of the solution, they rank out of 850 and a report is generated based on the time and performance of the solutions. The report is sent to the requesting company.
Q. 3 Basic algorithm implementations
Q. 1 Optimized code for substring with duplicate letters type code.
The following metrics were computed from 5 interview experiences for the Samsara Software Developer role in United States.
Samsara's interview process for their Software Developer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having good feelings for Samsara's Software Developer interview process in United States.