Pitera was elected to the Sejm on 21 October 2007, getting 42,669 votes in 19 Płock district as a candidate from the Civic Platform list. She later served as Secretary of State at the Chancellery of Prime Minister Donald Tusk from 2007 to 2011, where she was in charge of the Central Anticorruption Bureau.
Pitera was elected to the Sejm on October 21, 2007, representing the Civic Platform party in the Płock district. She later held a position as Secretary of State at the Chancellery of Prime Minister Donald Tusk from 2007 to 2011, overseeing the Central Anticorruption Bureau.