Senior Ad Tech Specialist at Refinery89 | AdTechTalent
Ad OpsYesterdayRemote
Refinery89
Senior Ad Tech Specialist
programmaticadtechprebid.jsgoogle ad manageramazon apsjavascriptiab tcfgdpropenrtbads.txtsellers.jsonschaindebuggingbrowser developer toolspythontypescriptvideo advertisingima sdkvastidentity solutionsjiraconfluence
Key details
Salary
Not specified
Employment type
Contract
Seniority
Senior
Years experience
5-10
Location
Remote
Full job description
Senior Ad Tech Specialist contractor role for 6 months (possible extension) working remotely in EU time zones. Requires 5+ years experience in programmatic advertising technology with strong hands-on debugging skills in live environments. Must have deep knowledge of Prebid.js, Google Ad Manager, Amazon APS, JavaScript, and consent frameworks (IAB TCF 2.x, GDPR). Responsibilities include diagnosing complex technical issues, reproducing problems, root cause analysis, producing technical specs, auditing publisher stacks, monitoring ecosystem changes, and supporting rollouts. Professional English proficiency (C1/C2) mandatory. Benefits include remote work, contractor agreement, 50% private health insurance coverage, and working with an international AdTech team.
What you'll do
Own complex technical issues that Operations or Development teams have been unable to resolve
Investigate tag defects, rendering failures, consent issues, bid path problems, and unexpected revenue behavior
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Reproduce issues using live publisher inventory and controlled staging environments
Identify root causes and distinguish structural limitations from configuration problems
Produce clear technical specifications or patched tag implementations for Development
Investigate publisher implementations at browser level using debugging tools
Validate request ordering, consent propagation, and bidding behavior
Confirm fixes in live environments
Perform 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
Score findings and produce clear prioritized action plans
Track technical changes across Google, Amazon APS, Prebid.js, SSP partners, and IAB Tech Lab
Translate ecosystem changes into technical recommendations
Escalate decisions requiring Product or Development involvement
Support phased technical rollouts with success metrics and validation criteria
Test implementations in staging environments and monitor performance post-deployment
Requirements
At least 5 years of experience in programmatic advertising technology, preferably within publisher monetization or the supply side
Significant hands on experience diagnosing and debugging live advertising environments
Deep working knowledge of Prebid.js, including configuration, adapters, modules, identity solutions, floors, and debugging
Ability to inspect and understand bidder adapter source code
Strong technical knowledge of Google Ad Manager, including line items, pricing rules, AdX, dynamic allocation, GPT implementations, and MCM models
Strong understanding of IAB TCF 2.x and GDPR consent mechanics
Understanding of OpenRTB and supply chain transparency standards including ads.txt, sellers.json, and schain
Strong JavaScript knowledge with ability to read, modify, and validate production advertising tags
Advanced browser developer tools skills including network inspection, HAR analysis, and console debugging
Ability to write structured technical documentation
Professional English proficiency at C1/C2 level
Previous professional experience in AdTech is mandatory
Tech stack
Prebid.jsGoogle Ad ManagerAmazon APSJavaScriptPythonTypeScriptIMA SDKVASTJiraConfluence
Benefits
Remote working within compatible EU time zonesTemporary 6 month contractor agreement with possibility of extension50% coverage of the standard Sanitas private health insurance planOpportunity to work directly on complex publisher monetization environments and real world programmatic infrastructureInternational team working across AdTech, technology, data, and publisher operations
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