Nilsson turned professional in 2014 and soon secured her maiden professional title at the
Pilsen Golf Challenge in Prague, winning a playoff on the second hole with a par, in the process also earning a place at the
Sberbank Golf Masters, her first
Ladies European Tour start. She received awards from the
Swedish Golf Federation's PGA Future Fund a record three times, in 2015 (
Caroline Hedwall Scholarship), 2017 and 2019. She earned her LET card for the 2017 season after finishing T16 at the Lalla Aicha Tour Q-School in Morocco. She comfortably retained her card by finishing 26th on the Order of Merit. On the
2020 Ladies European Tour, in the last event before the tour was disrupted by a 5-month break due to the pandemic, she was runner-up at the
South African Women's Open, one stroke behind
Alice Hewson who won in her first start as a rookie member of the tour. Nilsson finished the season 43rd in the Order of Merit. ==Amateur wins==