She internationally debuted at the 2006 IPC Swimming World Championships held in Durban, Republic of South Africa.

[2] She won her first medal, a bronze in the 100m Breaststroke SB6 event at the 2011 IPC Swimming European Championships in Berlin, Germany.

[2][6][7] She was qualified for the 2012 Summer Paralympics, and represented her country in London, United Kingdom.

[1] Kaya participated at the 2016 Summer Paralympics in Rio de Janeiro, Brazil.

Currently, the 1.32 m (4 ft 4 in) tall Para swimmer at 55 kg (121 lb) competes for İstanbul Büyükşehir Belediyesi S.K.