In 2008, he took part in theater production Zlatans leende in Malmö City Theatre. The same year, he was picked as the face for MKB, Räddningstjänsten featured in City Malmö newspaper and named "Årets glädjespridare" by Malmö Municipality. He has been involved in a number of youth projects, in Skåne and later in Stockholm.
In 2011, he became an artistic director of cultural activities for children for Kåldolmens Day events in Stockholm working with various cultural groups.
In September 25, 2012, he used his position to demand removal of a number of books he deemed objectionable (racist, homophobic, etc) including his suggestion to transfer the Tintin series from the children"s section of the library at Kulturhuset (Culture House) His campaign backfired and he was widely criticized prompting him to announce his withdrawal from responsibilities as artistic director He has also worked with Swedish Kurdish stand-up comedian Özz Nûjen.
On 23 February 2013, Miri competed as an artist in 2013 in a bid to represent Sweden in Eurovision Song Contest 2013 to be held in Stockholm. His song was "Jalla Dansa Sawa" (meaning Come on and dance together) with Loulou Lamotte and Oscar Zia as backing vocal artists.
lieutenant was co-written by Behrang Miri, Anderz Wrethov, Firas Razak Tuma and Tacfarinas Yamoun.
The song came 3rd/4th in the semi-final, he moved to "Second Chance" round where on 3 March 2013, he faced Anton Ewald and his song "Begging" and was eliminated. Despite his failure to reach the finals of, his song proved very popular and was released as a single entering the Sverigetopplistan, the official Swedish Chart at number 8 just one week after elimination. Eventually it climbed up to number 4 in the chart.
In 2015, he took part again in 2015 and qualified to Andra Chansen (Second Chance) round through the first semi-final on 7 February 2015, but failed to make it to the final.