I'm Full stack web developer and for sure that mean i can work as front-end developer and also back-end developer.
some of what i can do as front end developer :-
- Convert PSD to Responsive HTML5, CSS3 using Bootstrap.
- fix your website problems.
- make your website responsive
- redesign your website
- edit your website
- make new website
some of what i can do as back end developer :-
- convert your static website to dynamic
- make CMS to your website using wordpress
- create API
- use web service
- create contact form to your website
- fix your website issue and bugs ( php , mysql , ajax , wordpress )
*** for big projects i create UML diagrams like
- class diagram
- sequence diagram
- use-case diagram
- activity diagram
this diagrams make the work more clear and maintainable i think this will sounds very good to your business