Born in Mariental, Plaatjies started his career at Namibian lower league side Refugees FC before later joining Blue Waters.
[2] In March 2006, Plaatjies signed for South African Premier Division side Jomo Cosmos on a two-year contract.
[3] He made 4 appearances for Sundowns[1] before, in January 2009, he joined Moroka Swallows on loan until the end of the season, with the option to sign him permanently.
[1] Plaatjies signed for South African Premier Division side Mpumalanga Black Aces on a short-term deal in December 2010.
[1][8] He subsequently joined Vietnamese side Đồng Tháp where he made 13 appearances, before returning to Namibia in 2013 to play for Blue Boys.