From 2021 to 2024, Lemos was Curator at TBA21—Thyssen-Bornemisza Art Contemporary, where she launched a programme centred on ecological and community-based practices, commissioning new work and convenings artists, performers, and thinkers. Between 2018 and 2021, she served as Curator of Public Programmes and Research at Nottingham Contemporary, where she developed live and collaborative projects, including the multi-year Sonic Continuum, exploring the sonic and its relationship to social change.
Lemos was associate curator of the 2nd Riga Biennial (2020), a visiting curator at Galeria Municipal do Porto (2017–18), and part of the curatorial team for Contour Biennale 8 (2017). She has collaborated with Culturgest, Galerias Municipais de Lisboa, Serralves Museum, Frac Sud, Kunstinstituut Melly, MACBA, MAMBA, and Haus der Kulturen der Welt, among others. Her curatorial projects, spanning exhibitions, performances, and discursive programs, have featured artists and thinkers such as Alexandra Bachzetsis, Edgar Calel, Jack Halberstam, Trajal Harrell, Isabel Lewis, Paul Preciado, and others.
She edited Reluctant Gardener (forthcoming, Bom Dia Books, 2025), Meandering: Art, Ecology, and Metaphysics (Sternberg Press, 2024), Sonic Continuum (Nottingham Contemporary, 2021), and Metabolic Rifts (Anagram, 2019, with Alexandra Balona). Lemos lectures regularly and contributes to international publications, including e-flux criticism, Frieze, Mousse, and Spike.