We wouldn't be the best fit for all of these, but here are some:

- Validations: handled already by Postgres and if you use JSONB you can use pg_jsonschema[0]

- Translations: probably won't ever be part of our stack, but for multilingual FTS we offer the pgroonga extension[1]

- Permissions: we offer AuthN (email & social logins, MFA, SSO) [2] and AuthZ with Postgres RLS[3]

- Background jobs: pg_cron [4]

- Caching: For images we have a smart cache [5]. We'll extend this to database queries over time

- File uploading: supabase storage [6]

[0] pg_jsonschema: https://supabase.com/blog/pg-jsonschema-a-postgres-extension...

[1] pgroonga: https://pgroonga.github.io/

[2] AuthN: https://supabase.com/docs/guides/auth/overview

[3] AuthZ with Postgres RLS: https://supabase.com/docs/guides/auth/row-level-security

[4] pg_cron: https://supabase.com/docs/guides/database/extensions/pgcron

[5] smart image cache: https://supabase.com/blog/storage-image-resizing-smart-cdn#s...

[6] supabase storage: https://supabase.com/storage