David is the first squash player to have won the World Junior title twice; in 1999 and 2001 under the tutelage of Richard Glanfield. She remained the only female squash player to have achieved this, until Raneem El Weleily emulated David's feat by winning her second World Junior Championship in 2007. David joined WISPA and turned professional in 2000 when she won her first WISPA title, after only a month on the tour. The victory came in February, when she defeated Salma Shabana in the final of the Savcor Finnish Open. On 7 June 2008, David was honoured with the Order of Merit (Darjah Bakti) or D.B. in conjunction with the birthday of the His Majesty Tuanku Mizan Zainal Abidin. She was the first recipient of the award which was established on 26 June 1975. David was also invited to carry the Olympic torch for Malaysia during the build up to the Athens Olympics in 2004 and being appointed as UNDP National Goodwill Ambassador for Malaysia.