It seems that at the current time there aren't very many Retailing jobs in Gera. Why not have a look at jobs in similar fields? Companies are looking for both Sales and Outside Sales professionals within this area.
As it stands, there are neither internships nor junior positions available for Retailing. Sign up for Jobspotting to get notified as soon as some become available. Out of the employers at the current time hiring for Retailing on Jobspotting, none of these are startups. Have you seen which other skills are in demand in this region?