Arka started acting professionally in 2003 when he entered the regional Youth Shakespeare Festival and in the following year, in 2004, won first place in the duologue category.
Whilst at university he appeared in various plays, culminating in References to Salvador Dali, Make Me Hot! for Griffin Independent at the SBW Stables Theatre in Sydney.
He made his debut with the Ensemble Theatre in 2010 in Animals Out of Paper, for which he was nominated for Best Newcomer at the 2010 Sydney Theatre Awards. He also returned to the Ensemble a year later for Casanova, then appeared in Beached at the Griffin Theatre in 2013 alongside a star- studded cast.
Arka recently starred as Farid in the critically acclaimed ABC mini series The Code and as Nathan in the independent feature film Good Morning.
As well as acting, Arka has also started writing and directing content. Most notably, he co-created, directed and starred in comedy web series The Casuals, which has already been acquired for online distribution in the USA.