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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/underwaterexplorer_	2022-11-20	Post	`5`	English (Native)	Russian
u/zealousideal_tank_63	2022-12-09	Post	`5`	English	Russian
u/french4coffee	2022-11-06	Post	`5`	English (Native)	Russian
u/jordidirector	2023-01-04	Post	`5`	English	Russian
u/indaboskibahose	2022-12-15	Post	`5`	English	Russian

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