prototype.rb

require 'resque'
require 'worker'

module Prototype
  class App
    def do_background_stuff
      Resque.enqueue(Worker)
    end
  end
end

proto = Prototype::App.new
10_000.times do |i|
  proto.do_background_stuff
end

Rakefile

require 'worker'
require 'resque/tasks'

worker.rb

module Prototype
  class Worker
    @queue = :prototype

    def self.perform
      puts 'Background job started'
      time = sleep(10 + rand(10))
      puts "Background job stopped. Took #{time} seconds."
    end
  end
end