[doug1001]

i believe i had read in a medium blog post that the .ca backend was build on akka/scala

[quicksilver03]

The backend is built with Oracle Commerce (ATG), the frontend with Play Framework (so Scala and Akka).

Source: http://www.nurun.com/en/news/nurun-launches-redesigned-trans... plus private conversations with people who have worked on the project.