[1] Concache began playing rugby at CSM Suceva where his father coached at the time.
[3] French side USA Perpignan offered him a contract after he had a three-week trial there however he declined.
Concache made 11 appearances in his first season, debuting against his former club RC Gura Humorului.
[1] In 2022 he joined the Romanian Wolves squad for their inaugural Rugby Europe Super Cup season.
[4] He made his debut for the Romania national team in the first round of the 2023 Rugby Europe Championship, coming off the bench in their win over Poland.