At some point, we have to decide that there's a lot of knowledge expectations depending on your stack, especially as parts of your application grows.
Say you're a Python-based webapp running with Postgres, Kafka, and Elasticsearch. Your stack requires pretty decent knowledge of:
1. Postgres
2. Kafka
3. Elasticache
4. Linux (and a lot more than what many developers I've encountered seem to have)
5. Kubernetes, because it is 2024
6. Whatever frameworks you're doing with your webapp + ensuring you're keeping up with security best practices
7. + the soup involved with exposing your webapp to customers
Being able to handle any of these 6 at scale require different skillsets. It's unreasonable to expect anyone to be an expert at all of this -- in a real, tried-and-true environment -- especially with deadlines and SLAs involved.
