We need someone to code emails for us with short notice

Design details: We need a developer to code our emails for us, there is no design work involved as we have an in house design team. Some of our clients are big local companies who can quite often give us little notice to getting their email ready to go so we are looking to get some support.
Type of email needed: Newsletter
Ideas for the visual style: Designs will be provided
Extra notes: Rates of pay:

£45 for a simple newsletter

£75 for a more complicated newsletter