Your question is Implementing a Custom Layer. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
How did you implement a custom layer (resume project)?
Asked in the onsite round 5 stage.
Design the production system around that custom layer as if it were part of an Amazon Computer Vision workflow. Focus on how the layer is trained, validated, deployed, and monitored under real serving constraints.