\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{simpleinvoice,eurosym}
\pagenumbering{gobble}
\begin{document}
\setinvoicetitle{Invoice}
\setreceivername{CYBERTEC PostgreSQL\\ International GmbH}
\setreceiveraddress{Gröhrmühlgasse 26\\ 2700 Wiener Neustadt}
\setname{<your-name>}
\setaddress{<your-street> \\ <your-city>}{<your-street> \\ <your-city>}
\setphonenumber{<your-phone-number>}
\setemail{<your-email-address>}
\setinvoicedate{\today}
\setdeadline{30}
\additem{Take-home technical assignment}{125,00 \euro}
\setsubtotal{125,00 \euro}
\setvat{0,00 \euro}
\settotal{125,00 \euro}
\setaccountnumber{IBAN: <your-iban> BIC: <your-bic>}
\makeinvoice
\end{document}
