 He then worked as a correspondent for the newspaper "Tinerimea Moldovei" ("The Youth of Moldova"), a reporter for the National Television of Moldova, and an upper-level curator at the Dimitrie Cantemir Literature Museum in Chişinău.In 1989 Roşca became one of the founders of the Popular Front of Moldova (of which the PPCD is a successor).He was executive president of the organization in 1989–1994.