[nobodyandproud]

Intuition is built-up over time. I would try and carve out smaller, well-defined tasks for the individual.

It may also be worth your company’s time and money to find some online training courses to target specific weak-points.

[macando]

Intuition indeed. Nothing can replace a stream of several-hour long hyper-focused sessions of debugging bizarre multi-layer multi-language multi-concept bugs. The mind needs to expand and adjust to that.