Given his skills, he'll be able to pass the usual coding interviews with some preparation. In most companies, the bar isn't that high, they're just there to ens

Given his skills, he'll be able to pass the usual coding interviews with some preparation. In most companies, the bar isn't that high, they're just there to ensure that candidates have some minimal (usually undergraduate) algorithmic knowledge, and is able to interact with the interviewer (communicate their ideas, act on hints and so on...).