Between August and December 2018, Velea worked as the co-host of the Romanian talk-show Acces direct alongside Simona Gherghe.

[3] After winning the competition show Star Factory in 2003-2004 and participating at the Romanian counterpart of the Big Brother reality show,[4] Velea made his musical debut alongside Anna Lesko in the song entitled Nu mai am timp (I have no more time left) (2004) released in the album Pentru tine (For you) (2004).

For this album, Alex collaborated with Smiley, Puya, Marius Moga, Connect-R, Matteo and Don Baxter.

Four songs were promoted from the album: "Yamasha" (2006), "Dragoste la prima videre" (Love at first sight) (feat.

Yamasha brought him nominalizations at the "Best show", "Best male singer" and "Best new artist" categories at the 2007 edition of the Romanian Music Awards.

[7] He also released the song named "Don't say it's over" which became the hit of year 2010, and whose video presented a choreography which generated one of the biggest flashmobs in Romania.

At the beginning of April, Velea released the song "Când noaptea vine" (When the night comes) which was widely received by the public.

[11] Being surprised by the audience's reaction and listening to the fans' requests, he later released the official version of the song as a featuring hit alongside fellow singers Jador and Lino Golden.

It became an immediate success, despite being released amidst the COVID-19 pandemic, becoming top trending on YouTube in that respective year, and collecting a total of 90 million views on the social platform.

[14] He starred in several more pelicules such as Nașa (The Godmother) (2011),[15] Selfie (2014),[16] Zăpadă, Ceai și Dragoste (Snow, Tea and Love) (2021),[17] and Băieți deștepți (Wise guys) (2023).

[20] Velea accepted the challenge offered by Turner Broadcasting System to be the voice of Wirt in the series Over the Garden Wall, which aired on Cartoon Network from April 6, 2015.