Idealo is essentially a German company with an international section, which is its medium and long-term problem.
Utter failure of trying to include English as a co-first language and attempts to foster an international culture. Ultimately leads to company not attracting quality international talent, which leads to problems in International, particularly at management level.
Salaries particularly in Content and Marketing depts pitifully low and not representative of the living costs of an expat in Berlin in 2020.
Little room for negotiation at offer stage or in the role itself - mgmt and the People Dept (HR) will use any means to disempower workers from asking for fair salaries.
New emphasis on personal development and staff training not matched financially - they want you knowing and doing more things, but for the same pay.
Company's "Doppelspitze" structure of dual managers leads to squeeze on wage structures as well as creation of "busy work" for these extra middle managers, usually at the cost of normal workers.
Management positions will inevitably go to German men, across most departments.