\documentclass[a4paper,DIV=12,parskip=full]{scrartcl}

% Load standard packages
\RequirePackage[utf8]{inputenc}
\RequirePackage[T1]{fontenc}
\RequirePackage{ngerman}  % comment out for English text
\RequirePackage{lipsum}
\RequirePackage{scrlayer-scrpage}

% Setup the page layout
\KOMAoptions{headsepline=true}
\KOMAoptions{footsepline=true}
\recalctypearea

% Setup the head and footer
\makeatletter
\ihead{Short Title}
\ohead{\@author}
\ifoot[]{\@date}
\cfoot[]{Seminar Topics in Optimization}
\ofoot*{\thepage}
\makeatother

% Set the author and title information
\author{Author}
\title{Titel}
\date{01.05.2022}

\begin{document}
\maketitle

\section{Einführung}

% Remove this dummy text
\lipsum
\lipsum

\end{document}
