Hi Emma, I'm recently new to Rancher but have used other similar tools and recently migrated to using Rancher and am happy with it.
Rancher + K8s are essential components for our development process and increased productivity and engineering efficiency. We use it for local development so engineers can easily spin up and build and test microservices in a local desktop environment. Then partnered with our infrastructure team, we can seamlessly go from local environment to deployed environment through CI/CD automations.
Hope that helps.