This will work only for short labels.
\documentclass{article}
\usepackage{enumitem,showframe}
\SetLabelAlign{parright}{\parbox{\labelwidth}{\makebox[0pt][r]{#1\hspace{1em}}}}
\newlist{mydescription}{description}{1}
\setlist[mydescription,1]{style=multiline,topsep=10pt,leftmargin=*,labelsep=0pt,font=\color{blue}\normalfont,%
align=parright}
\begin{document}
\section{Experience}
\begin{mydescription}
\item[hyperref] Some dummy text here to fill the space. Some dummy text here to fill the space. Some dummy text here to fill the space.Some dummy text here to fill the space.
\item[showkeys - keys] Software Developer
\end{mydescription}
\end{document}