[1] Bullo has represented Switzerland at five Winter Olympic Games and eleven IIHF Women's World Championship tournaments.

At age seventeen, Bullo made her debut with the Swiss national team in the 2004 IIHF Women's World Championship.

[3][4] Her career is highlighted by a World Championship bronze medal in 2012 IIHF Women's World Championship and an Olympic bronze medal in the women's ice hockey tournament at the 2014 Winter Olympics in Sochi.

[5] Bullo officially retired from the Swiss national team after the 2022 Winter Olympics in Beijing.

'National Cup Women'), is a national tournament for club teams organized by the Swiss Ice Hockey Federation.