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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/ivy6999	2023-11-07	Post	`5`	German	English
u/tight-goal5451	2023-10-25	Post	`5`	German	English
u/independent_fox_6036	2024-01-21	Post	`5`	German (C1)	English
u/misinoo	2023-11-05	Post	`5`	German (B1)	English
u/demonsultan145	2023-10-30	Post	`5`	German	English

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