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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/lovelyloner11	2024-07-16	Post	`5`	German (C2)	English
u/cerpromah	2024-07-29	Post	`5`	German (B2)	English
u/turbulent-run9532	2024-05-31	Post	`5`	German (B1)	English
u/nerdy_fairy	2024-07-11	Post	`5`	German	English
u/medium-position9364	2024-07-11	Post	`5`	German	English

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