Senior Ad Tech Specialist

This is a fully remote position, open to applicants in Spain.

📋 Description

• Take ownership of intricate technical challenges that Operations or Development teams have been unable to address.

• Analyze tag defects, rendering issues, consent problems, bid path complications, and unanticipated revenue behavior.

• Replicate issues utilizing live publisher inventory and controlled staging environments.

• Determine root causes and differentiate between structural limitations and configuration issues that can be rectified.

• Create clear technical specifications or patched tag implementations prior to transferring the work to Development.

• Examine publisher implementations directly at the browser level.

• Utilize Prebid debugging, network requests, browser consoles, HAR files, and consent string examination.

• Validate request ordering, consent propagation, and bidding behavior against the intended configuration.

• Confirm resolutions in live environments before considering an issue fully resolved.

• Conduct structured audits across publisher monetization stacks.

• Review Prebid configuration, Google Ad Manager, Amazon APS, CMP and TCF implementation, floor models, ad units, identity solutions, video, SSP health, and bidder performance.

• Evaluate findings and generate action plans prioritized by impact and severity.

• Monitor technical changes across Google, Amazon APS, Prebid.js, SSP partners, and the IAB Tech Lab.

• Assess ecosystem changes impacting the Refinery89 stack and publisher implementations.

• Translate findings into technical recommendations and escalate decisions that require Product or Development involvement.

• Assist in phased technical rollouts utilizing defined success metrics.

• Establish validation criteria and rollback conditions.

• Test implementations in staging environments before handing off to Development.

• Track performance post-deployment and validate results against agreed thresholds.

⛳️ Requirements

• Minimum of 5 years of experience in programmatic advertising technology, preferably in publisher monetization or the supply side.

• Extensive hands-on experience in diagnosing and debugging live advertising environments.

• In-depth working knowledge of Prebid.js, encompassing configuration, adapters, modules, identity solutions, floors, and debugging.

• Capability to inspect and comprehend bidder adapter source code when documentation alone is insufficient.

• Strong technical expertise in Google Ad Manager, including line items, pricing rules, AdX, dynamic allocation, GPT implementations, and MCM models.

• Comprehensive understanding of IAB TCF 2.x and GDPR consent mechanics, including the propagation of consent across Prebid, GAM, and Amazon APS.

• Familiarity with OpenRTB and supply chain transparency standards such as ads.txt, sellers.json, and schain.

• Proficient in JavaScript, with the ability to read, modify, and validate production advertising tags.

• Advanced skills in browser developer tools including network inspection, HAR analysis, and console debugging.

• Ability to craft structured technical documentation that a developer can execute without requiring extensive additional explanation.

• Professional proficiency in English at C1/C2 level.

• Prior professional experience in AdTech is essential.

🏝️ Benefits

• Remote work within compatible EU time zones.

• A temporary 6-month contractor agreement with the potential for extension.

• 50% coverage of the standard Sanitas private health insurance plan.

• The chance to work directly on complex publisher monetization environments and real-world programmatic infrastructure.

• An international team collaborating across AdTech, technology, data, and publisher operations.