Born in São Paulo, Kelly began her career with hometown side Juventus-SP, before joining Santos in 2006.
[2] In January 2012, after the club's women's football section was closed, she moved to Centro Olímpico.
[5] In 2021, Kelly moved abroad and joined the Israeli side Hapoel Be'er Sheva.
She returned to her home country with EC São Bernardo in the following year, before rejoining Santos on 27 January 2023.
[6] On 20 September 2024, Kelly announced her retirement and became an assistant of the under-15 team of her last club Santos.