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You could have a look at http://celeryproject.org/

I've not used it so I'm not entirely sure it'll cover your needs, but I keep hearing good things about it.

We use rabbitmq and celery, both awesome projects. And both teams are always on irc if you need help.

Thanks. I'd seen it a long time ago, and forgotten about it.

Looking into it now. Seems it gives me choices for the backend including RabbitMQ and Redis.