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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/summer_baby861	2021-02-01	Post	`5`	English	English
u/akaruitsvki	2021-02-23	Post	`5`	English	English
u/archiel188	2020-12-11	Post	`5`	English (B2)	English
u/motanz	2021-01-13	Post	`5`	English	English
u/psycheplus	2020-12-30	Post	`5`	English (C1)	English

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