An alternative would be to just use AWS lambda: > You can create a Lambda function and direct AWS Lambda to execute it on a regular schedule. You can specify a

An alternative would be to just use AWS lambda: > You can create a Lambda function and direct AWS Lambda to execute it on a regular schedule. You can specify a fixed rate (for example, execute a Lambda function every hour or 15 minutes), or you can specify a Cron expression. http://docs.aws.amazon.com/lambda/latest/dg/with-scheduled-events.html http://docs.aws.amazon.com/lambda/latest/dg/with-scheduled-e... It would remove the need of infrastructure for "task workers". Although, depending on your stack / setup, it of course may be easier to have your application tier double as a task worker due to complicated dependencies or startup times. Additionally, I am not sure if everyone is aware but SQS does offer FIFO delivery with guaranteed once-only "processing". There are some interesting caveats to this, definitely worth looking into though :)