After graduating from university, Rabana co-created the VoIP mobile application called Yeigo in 2007. A year later, in 2008, Telfree bought most of Yeigo’s shares. Rabana was later chosen as the leader of Telfree’s Research and Development department. In 2012, Rabana created an entertainment website called Tomplaygo. The following year, in 2013, Rabana started a company called Rekindle Learning, which focuses on online education.
In 2012, she was on Oprah Magazine’s O Power List. In 2013, she was listed on Forbes’s 30 under 30 list for best entrepreneurs of Africa. In 2014, Rapelang was named one of the Entrepreneurs of the World by the World Entrepreneurship Forum
Rapelang was invited to join the World Economic Forum 2012 Annual Meeting in Davos. She was also selected as a Global Shaper by the World Economic Forum. She is an Ambassador and Juror for the United Nations World Summit Awards. Rapelang gave the keynote address at Gartner Symposium 2015 in Cape Town.