[5] Castañeda later played for the football team of her college, De La Salle University.
[5] With her team, she competed in 2016 in the UAAP Season 78 football tournaments and scored in the final against UP Lady Maroons but lost with 1–2.
Castañeda helped the Philippines qualify for their first AFC Women's Asian Cup since the qualification stage was introduced.
She scored 4 goals in the 2018 AFC Women's Asian Cup qualifiers in 2017 including the equalizer in the 1–1 tie against Bahrain that secured the Philippines qualification for the 2018 edition of the continental tournament.
[6] Despite Castañeda's contribution to the qualification, she had to secure a berth for the Philippine squad that will participate at the final tournament of the 2018 AFC Women's Asian Cup.