Digital Marketing Assistant (Intern)

Our main product is a payroll and timekeeping app for hourly workforces, sold by subscription and supported from Madrid. Founded in 2014, the business writes the billing, metering and customer portal software that small water and electric utilities run on. We keep recurring meetings to Tuesdays and Thursdays where we can.

Overview:

We are a small team, so the intern does real work. Expect spreadsheets, campaign setups and a lot of testing. Remote position. Most of the team is in Madrid, but nobody is required to come in. Normal working hours, Monday to Friday.

What you'll do:

• Draft blog outlines and short articles for product launches
• Write ad copy variations and track which headlines get better click-through rates
• Build email newsletters in Mailchimp or Brevo and segment the contact list by user activity
• Set up and monitor small Google Ads and Meta Ads campaigns under supervision, with daily budget caps
• Update landing pages on WordPress or Webflow, including text, images and form fields
• Present one learning or test result in the weekly marketing call
• Assist with WhatsApp Business broadcast campaigns and track replies

Requirements:

• Eligible to work in Spain
• Available for the full internship period
• Based in Spain for the duration of the internship
• Pursuing a degree in marketing, business, commerce, mass media or a related field, graduating in 2028
• Willing to learn new tools quickly. We use around 8 different platforms
• Basic understanding of how Google Ads and Meta Ads work. Free online certifications count
• Good written English and attention to small details like spelling and broken links
• No prior internship needed
• Curious about why some ads work and others do not

What you get out of it:

• Email marketing basics: segmentation, subject line testing, open and click rates
• Possible pre-placement offer for strong performers

Duration: 5 months

Start date: Mar 2027

Stipend: €600 to €670 monthly

What we offer:

• Online learning budget
• Flexible hours
• Certificate of completion
• Paid public holidays
• Company laptop
• Letter of recommendation

Duration: 5 months. Start: Mar 2027.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Costa Software S.L..