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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/hannie_in_de	2024-08-28	Post	`8`	German (B2), Korean (Native)	English
u/koalabear05	2024-09-07	Post	`7`	Korean	German, English
u/ilkys	2024-07-31	Post	`6`	---	German, English, Spanish
u/toohonestchard04	2024-08-03	Post	`6`	---	German, English, Spanish
u/interactionwide3369	2024-09-16	Post	`6`	---	German, English, Spanish

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