Camara trained as a youth with
Le Havre AC, making appearances with their B team and training with the professional group. On leaving Le Havre he joined La Vitréenne FC in the fifth tier at the start of the 2012–13 season, but after issues over pay and a groin injury he left in November 2013 and returned to his home to train alone. In the summer of 2013, Camara signed for fourth-level
FC Chartres. Camara signed his first professional contract with Orléans in the summer of 2016, before being loaned out to
CA Bastia for the 2016–17 season. Following the clubs promotion, Camara made his debut at the professional level for Orléans in a 3–1
Ligue 2 win over
AS Nancy on 28 July 2017. In January 2018 he joined
Lyon Duchère on loan until the end of the season. On 21 August 2018, Greek club
Panionios officially announced the signing of Camara, until the end of
2018–19 season. Released by Panionis in the summer of 2020, Camara was without a club until a successful trial with
FC Sète 34 resulted in a contract. En juillet 2021 Oumar signe en liga efbet en Bulgarie au club de Beroé où il réalise une bonne saison avec 6 goals et 4 passe décisive, durant cette année il participe à la Coupe d Afrique dés nations au Cameroun avec la sélection mauritanienne On 12 August 2022, Camara joined
China League One club
Nantong Zhiyun. ==International career==