As a player plays a central defender position and is characterized by intransigence on the ground, solid game with a head, excellent inclusions in pieces before the opponent's goal.

He developed a few players who became part of the Bulgarian national team such as Blagoy Georgiev, Vladimir Gadzhev, Georgi Chilikov, Stoyko Sakaliev, Ivelin Popov (Kuban Krasnodar), Nikolay Dimitrov (Kasimpaşa), Valeri Domovchiyski (Hertha BSC), and Vladislav Stoyanov (Sheriff).

In August 2012 Matushev moved to Ukraine and started to work at most popular club in the northwestern part of this country - Karpaty Lviv.

Karpaty Lviv started to play much better and more aggressively, but at the end of the season all staff members decided to leave because of internal club problems.

In October 2019, Matushev joined Georgi Dermendzhiev's coaching staff, becoming assistant manager of Bulgaria.