Full stack PHP / Linux / MySQL / MongoDB guru?

I'm looking for a talented PHP coder with great Linux experience to maintain and upgrade an existing codebase.

Duties involve:

- Reviewing codebase changes -> review code upgrades from PHP v5 -> v8.2
- Writing new code and performing code fixes
- Pushing code changes via Git
- Diagnosing and fixing Linux issues, including RAID

Also looking for someone with deep knowledge of:
- MySQL
- MongoDB
- Memcache