1 . The project is implemented in full!
2nd At the smallest request to do something that does not affect the discussed TZ, Dmitry refused.
Three When pointing to the mistake, he said that it was the customer’s fault, although then it turned out that it was still faulty.
In general, it can be said that a person knows what he does and does it well! But if you want everything to be done quality and in full - write a quality TZ and discuss with Dmitry all the smallest details before the deal is concluded.