[1] After spending the first nine years of his career in his home country with Sport Club do Recife, Náutico, Guarani, Brasiliense, Ceará,[2] Oeste and ABC, Ademar relocated to Bulgaria in June, 2009, signing a two-year contract with Cherno More Varna.

Ademar made his competitive debut a month later, in a Europa League match against PSV Eindhoven on August 6, 2009.

The Brazilian made his official debut on 7 August 2011, in the 2:1 away win over Lokomotiv Sofia in an A PFG match.

He sustained a waist injury in early April 2012,[3] for which he underwent surgery at the “Acibadem” sports clinic in Istanbul and which saw him out of action until the end of the year.

[citation needed] Eventually his contract with CSKA was cancelled after some financial disagreements with the club[4] and he returned to Brazil, joining Porto de Caruaru.