Dev started his acting career with Agnishapath (2006) which was unfortunately a box office flop. Still determined, he got his breakthrough success in I Love You (2007). With his film Challenge (2009), he got his golden ticket to stardom. A critical and commercial success, it won him many laurels and made him a household name. He garnered more commercial success and wider attention through his successful films like Le Chakka (2010), Dui Prithibi (2010), Paglu (2011), Challenge 2 (2012), Khoka 420 (2013), Rangbaaz (2013), and Chander Pahar (2013).
In 2016, he founded Dev Entertainment Ventures Pvt. Ltd. in order to pursue his dream of producing modern movies which leaves its mark in Indian cinema. He released four films under his banner since then – Chaamp (2017), Cockpit (2017), Kabir (2018) and Hoichoi Unlimited (2018) all of which received critical and commercial success.