I found the following users who may fit your language exchange criteria:

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/cvszx2511	2020-11-29	Post	`5`	Spanish	English
u/jecelorio	2021-01-04	Post	`5`	Spanish (Native)	English
u/zealousideal-pop7402	2021-01-11	Post	`5`	Spanish (Native)	English
u/altopasto	2021-01-11	Post	`5`	Spanish (Native)	English
u/bark01	2021-01-08	Post	`5`	Spanish (Native)	English

Please feel free to comment on the above posts to get in contact with their authors.