If you want a fantastic Software Engineering job but need to flesh out your CV first, check out the current selection (10) of internship opportunities in Frankfurt. Maybe you're interested in either Software Industry or Software Project Management vacancies, which constitute two of the most common subcategories in this field. You should be familiar with fields of expertise like Software Development, Software Engineering, and Systems Architecture - they are very commonly cited in job offers. Logistics as of now is out in front with 30% of companies that are looking for applicants, trailed by Aerospace (20%), and IT (10%).
Of all companies employing Software Engineering expert knowledge, none of these are startups. Why not have a look at jobs in another country to compare and contrast opportunities. Just use the Explore tab.