I do not believe that you will be in the left seat of an EMB in 2 or 3 years time (i.e. after being hired). It is totally unrealistic.
In 2 or 3 years , you might still be in the right seat of an EMB or at best in the right seat of an A320 (which I doubt however). Unless, there is tremendous growth.
Remember, that there is right now 238 Relief Pilots that might want that EMB Left Seat without counting 320 F/Os...
For your info.