[1] Iancu began his senior career at CSM București playing for 2 seasons before moving to SCM Gloria Buzău[2] for a season then moving to Liga Națională de Rugby champions CSM Știința Baia Mare.
In 2021 he moved to English National One side Chinnor RFC spending a season in England before moving back to CSM Știința Baia Mare.
[3][4][5][6] In 2022 he was named in the Romanian Wolves squad for the Rugby Europe Super Cup.
[8] He made his senior debut coming off the bench in a 22–30 win over Uruguay.
[9] Iancu was named in the Romanian squad for the 2023 Rugby World Cup.