Tămârjan was a member of the Romanian team at the 2007 World Championships, but was replaced by alternate Andreea Grigore. She was training on the uneven bars before the competition and she slipped from the bar and broke her leg. She also missed the 2008 Romanian national championships with an injury. However, she had a good meet at the 2008 European Championships in Clermont-Ferrand, France, winning the gold medal with the team and the bronze medal on floor.