Novosad started her international career in 2010 when she debuted at the European Cup and finished 6th in Minsk.

She competed at two Junior World Championships, finishing 7th in 2012 and winning a silver medal in 2013.

Novosad made her World Cup debut on January 15, 2012, in Mont Garibel, Canada, where she finished 12th.

Her first victory, which also was her first individual World Cup podium, came on December 10, 2021, in Ruka, Finland.

It was also the first World Cup event when two Ukrainian female athletes finished in Top-3 (Olha Polyuk was 3rd).