Job Description

Location: Madrid (Onsite)
Team: AdTech Partnerships

Junior Partner Manager, AdTech Partnerships

At Refinery89, we help publishers significantly improve the quality, scale, innovation and monetisation of their ad inventory in an increasingly complex digital ecosystem. The backbone of our success is our people and our award-winning technology, which gives publishers a clear competitive advantage. We are a highly professional team in a phase of active growth, and we are looking for someone who wants to grow with us.

We are hiring a Junior Partner Manager to join our AdTech Partnerships team

The Junior Partner Manager will play a key role within Refinery89’s AdTech Partnerships team, supporting the commercial growth and performance of our demand partner network. This is not just a coordination role. You will work closely with SSPs and other monetisation partners to unlock revenue opportunities, improve partner performance across our network of 800+ websites, and help strengthen and expand our AdTech partnerships.

You will combine relationship management, commercial thinking, technical coordination and data analysis to help maximise monetisation results across the network.

Your responsibilities

• Build and maintain strong working relationships with demand partners, with a clear focus on driving revenue growth and performance.

• Support the onboarding and implementation of demand partners on new publisher websites.

• Roll out new demand partners and monetisation opportunities across our network.

• Work closely with partners to identify growth opportunities, unlock additional spend and improve commercial results.

• Monitor partner performance and proactively identify revenue trends, underperformance and upside opportunities.

• Participate in QBRs and performance reviews with SSPs and other monetisation partners, helping turn discussions into actionable growth plans.

• Analyse data to identify yield, fill rate, CPM and revenue improvement opportunities within our stack.

• Coordinate with technical and operations teams to troubleshoot issues impacting partner performance or revenue delivery.

• Help optimise our demand stack to maximise monetisation outcomes across the network.

• Support commercial discussions with data-driven insights and a strong understanding of partner value and business impact.

What you need

• Up to 2 years of work experience, ideally in digital media, adtech, online advertising, account management, partner management, ad ops or a commercially focused operations role.

• Bachelor’s degree or equivalent work experience.

• Good knowledge of Excel.

• Very high level of English, with the ability to confidently follow internal discussions and communicate clearly with external partners.

• Strong interest in technology, digital advertising and online monetisation.

• Clear commercial mindset, with a genuine interest in partner growth, revenue generation and business results.

• Confident communicator who is comfortable engaging with partners and helping move conversations towards action and performance.

• Strong analytical skills, with the ability to turn data into insights and insights into commercial opportunities.

• Strong attention to detail and ability to execute reliably in a fast-moving environment.

• Excellent collaboration and project management skills.

• Ability to work autonomously, take ownership and act proactively.

• Ambitious, open-minded and eager to grow in a fast-paced start-up environment.

• Ability to quickly learn new technologies and translate product features into clear business and revenue benefits.

Pros

• Good knowledge and understanding of the digital advertising ecosystem, formats, KPIs and technologies such as header bidding, SSPs, Prebid, Amazon TAM and Google OB.

• Experience working with different SSPs such as Xandr, Seedtag, Outbrain, Magnite or GumGum.

• Experience with Google Data Studio, Power BI or similar reporting tools.

• Experience in ad ops or yield optimisation, especially within a header bidding setup.

• Experience working with partners, clients or external stakeholders in a performance-driven environment.