Yes, we used Polymer to build the new ING banking portal. We had each component in its own repository which was kind of neat. I am doing React now and comparing

Yes, we used Polymer to build the new ING banking portal. We had each component in its own repository which was kind of neat. I am doing React now and comparing both I think React is better, there is more support in the community. With Polymer all you basically have is the Polymer docs most of the times.