In 2015, Stefania made 11 appearances on the LET and her best finish was T11th at the Tipsport Golf Masters in Pilsen.
In 2014, from13 starts, Stefania’s best finish was T15th at the Allianz Ladies Slovak Open.
In 2013, Stefania played in 14 tournaments and ended the season ranked 73rd on the Money List.
In 2012, Stefania played in 16 tournaments and her best finish was T4th at the Hero Women’s Indian Open. She ended the season ranked 62th on the ISPS Handa Order of Merit.
In 2011, Stefania competed in 17 tournaments and recorded three top-10 finishes including a season-best tie for 3rd at the Sicilian Ladies Italian Open. She also tied for 8th at the Turkish Airlines Ladies Open and the Open de Espana Femenino. She earned 58,916.43 euro to finish the season ranked 37th on the Money List.