In 2007 Lynn won her first junior tournament, playing on a regional level and in addition to that victory she has 9 more wins as an amateur/junior.

[2] In 2014 she nearly secured her first win on the LET Access Series, as she lost a playoff to Lina Boqvist at the Onsjö Ladies Open.

Carlsson joined the LET through the Lalla Aicha Q-School in December 2014, after finishing top-30,[3] and easily kept her card through the order of merit the next five seasons.

In 2018, she posted three top-10 finishes on the LET including a tie for third in the Lacoste Ladies Open de France, and she ended the season a career best 14th on the Order of Merit.

[1] In 2017 she won the Swedish Matchplay Championship, just like Anna Nordqvist, Caroline Hedwall, Maria Hjorth, Helen Alfredsson and Liselotte Neumann before her.