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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/codebudget710	2023-07-09	Post	`5`	English	Turkish
u/excellentazrael	2023-06-18	Post	`5`	English (Native)	Turkish
u/daoken	2023-06-22	Post	`5`	English (C1)	Turkish
u/pensive-soul420	2023-06-29	Post	`5`	English (Native)	Turkish
u/almanachui	2023-06-15	Post	`5`	English (C1)	Turkish

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