Since 2012, she has been involved as a district councillor in the city centre and in the Jungbusch district, in the Mannheim SPD district association and at state level of the party, becoming deputy state chairwoman of the Baden-Württemberg
Jusos. Cademartori served as a city councillor in
Mannheim since 2019, and since December 2020, deputy leader of the SPD parliamentary group in the city council and spokesperson for urban development and mobility. In September 2022, she resigned her seat on the municipal council due to her election to the Bundestag. She is a member of the state executive of the SPD Baden-Württemberg. In October 2020, she became the SPD's Bundestag candidate for
Mannheim. Cademartori was elected to the
Bundestag in the
2021 German federal election. She won the
direct mandate in the
constituency of Mannheim (275) with 26.35% to 22.53% of the
first votes against
Melis Sekmen (Alliance 90/The Greens), who lost in the first round. She is a member of the
Seeheimer Kreis. Cademartori is in favour of the use of nuclear power. In the
2025 federal election, she managed to regain a seat in the Bundestag by being placed 9th on the SPD Baden-Württemberg state list. In the negotiations to form a
Grand Coalition under the leadership of
Friedrich Merz's Christian Democrats (
CDU together with the Bavarian
CSU) and the SPD following the
2025 German elections, Cademartori was again part of the SPD delegation in the working group on transport, infrastructure and housing, led by
Ina Scharrenbach,
Ulrich Lange,
Klara Geywitz and
Sören Bartol. == Other activities ==