1.) data pipelines / data-science
2.) cicd / build pipelines
3.) ... you name it
I mean, just a service that gives me all the groundwork to build one of the above myself.
Is there something like that?
In particular, workflows are extremely durable, they can easily just sit indefinitely waiting on a condition and you can redeploy workers whenever, and workflows will resume exactly where they were.
It gives you a pretty flexible job system, identities (secrets), monitoring, notifications, a web interface, a command line tool and a HTTP API. You can build lots of things above it.
Do you have specific use cases in mind ?
If you want to go even lower level, a framework like DTFx lets you define long-running, distributed and resilient orchestrations in code: