Django developer needed for full time atleast for one month

We have an in-house WEB (Django) & Mobile (Kotlin) development team, and we need a senior developper with experience in the following stack in order help with code review, unit testing implementation, best practices, app optimization (loading times, caching etc..) :

Mobile stack :
- Android / Kotlin
- Room database
- Retrofit
- Mapbox

Back-end & Devops stack :
- Django / Django Rest Framework
- Postgres SQL
- Docker
- GIT

If we can get Kotlin Developer that would be good too. Please attach CV for the both or atleast Django one.
Kind regards