We think you might be interested in this job:
In general, building/developing a webshop or an online store is not easy. So it’s good if we do have a starting point and there is a package that we can use already as an online store provider. Let’s take a brief look at some of the popular packages and then our package, Bazar.
If you want an integration with a running application, this might not be the best choice for you.
GetCandy is headless, which means it provides an interface that lets you build your custom store on top of it easily.