Yeah, if you're a front end developer then you really need to use your own. How will clients have any kind of confidence in you or your abilities if they don't see you 'dogfooding' ( https://en.wikipedia.org/wiki/Eating_your_own_dog_food )

There's a million and one 'developers' out there, what sets you apart? Any school kid can put up a wordpress site (and they do!) you need to show people you're capable!