Senior Ad Tech Specialist (Temp)Location: Remote, EU time zonesTeam: Product / DevelopmentContract Type: ContractorContract Duration: 6 months, with possibility of extensionEnglish Level: Professional fluency, C1/C2 mandatoryAdTech Experience: MandatoryReports to: CTOIMPORTANT This is a temporary 6 month contractor position, with the possibility of extension depending on business needs and performance.Professional English proficiency is mandatory for this role. Candidates must also have significant previous experience in programmatic AdTech. This is a senior position and is not suitable for candidates looking to transition into AdTech without prior industry experience.About Refinery89Refinery89 is a Dutch AdTech company headquartered in Madrid, working with premium publishers around the world to optimize their programmatic advertising performance.Through advanced technology, data, and hands on technical support, we help publishers increase advertising revenue, improve efficiency,



and gain greater transparency across their monetization stack.Our international team operates at the intersection of technology, digital advertising, data, and publisher operations.About The RoleWe are looking for a Senior Ad Tech Specialist to join our Product and Development environment and take ownership of complex technical investigations across live publisher advertising stacks.This is a deeply technical role focused on diagnosing issues, reproducing problems, identifying root causes, validating solutions, and translating findings into clear specifications or fixes that our Development team can act on.You will work directly with live publisher environments, Prebid, Google Ad Manager, Amazon APS, consent frameworks, SSP integrations, browser debugging tools, and the wider programmatic ecosystem.The objective is simple: when something is not behaving as expected, you should be able to determine what is happening, prove why it is happening, and define what needs to happen next.The role al

📌 Senior Ad Tech Specialist (Santiago de Compostela)
🏢 remoteo
📍 Santiago de Compostela