Location: On site in Madrid

Schedule: Full time, 37.5 working hours per week

Working hours: Monday to Friday, 9:00 AM to 6:00 PM

Internship agreement: You must be eligible to sign a Convenio de Prácticas with your university or educational institution for the full duration of the internship.

Important eligibility requirements

Please apply only if you meet both requirements below:

• You can commit to working 37.5 hours per week, Monday to Friday, from 9:00 AM to 6:00 PM, on site at our Madrid office.
• You are eligible to sign a Convenio de Prácticas with your university or educational institution for the full duration of the internship.

Both requirements are mandatory. Candidates who cannot meet either one will not be considered.

About Refinery89

At Refinery89, we help digital publishers maximize their advertising revenue through advanced programmatic technology, data driven optimization, and strategic expertise.

Headquartered in Madrid, with a growing international team, we work with publishers across Europe and beyond to make digital advertising more transparent,



efficient, and impactful.

As we continue to grow, we are looking for motivated people who thrive in dynamic environments, take ownership of their work, and want to develop their careers within an international company.

The Role

We are looking for an Accounting & Finance Intern (Prácticas) to join our Finance team and support the day to day accounting operations of the business.

This is a full time, on site internship at our Madrid office. The schedule is Monday to Friday, from 9:00 AM to 6:00 PM, for 37.5 working hours per week. You must be available for the full schedule throughout the internship.

You must also be eligible to sign a Convenio de Prácticas with your university or educational institution for the full duration of the internship. This is a mandatory requirement.

This entry level opportunity is designed for someone who wants to gain practical experience in Accounting and Financ

📌 Accounting & Finance Intern (Prácticas) (Madrid)
🏢 Refinery89
📍 Madrid