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• We are looking for a Senior Signals Specialist to join our Technical Solutions team and serve as a trusted technical partner for advertisers implementing and optimizing their ad signals.

In this role, you will work closely with priority advertisers to assess their technical stack, onboard them to conversions API and pixel-based solutions, and ensure high-quality signal capture through rigorous testing and QA. You will also support non-priority advertisers through reactive troubleshooting, partnering with sales and cross-functional teams to diagnose and resolve signal-related issues efficiently. This is a hands-on, client facing role for someone who enjoys translating complex technical concepts into practical solutions that unlock performance outcomes.

• Please note that this role is required to work in person from our London office 1-2 days per week.

• Act as the technical subject matter expert for advertiser signal integrations, including CAPI and pixels
• Lead technical discovery calls to understand advertisers’ tech stacks
• Guide advertisers through end-to-end CAPI onboarding, including implementation, configuration, and validation
• Perform QA and debugging to ensure accurate, complete, and deduplicated event data
• Advise on best practices for event design, data mapping, and measurement strategy
• Troubleshoot signal issues
• Diagnose discrepancies related to data loss, event mismatches, deduplication, and attribution gaps
• Provide clear, actionable guidance to advertisers and internal stakeholders to resolve issues efficiently
• Partner with sales, product, and engineering to unblock advertiser issues and surface recurring signal gaps
• Identify trends in advertiser challenges and contribute feedback to improve tooling, documentation, and workflows
• Help shape internal best practices and playbooks for signal implementation and support
• Required Qualifications:
• 7+ years of experience in ad tech or related roles
• Hands-on experience with CAPI, pixels, and partner integrations
• Strong understanding of ads signals including events, attribution, and data pipelines
• Experience working directly with external clients in a technical or consultative capacity
• Ability to troubleshoot complex technical issues across frontend systems
• Strong communication skills with the ability to explain technical concepts to non-technical audiences

BA/BS Degree

• Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Group Personal Pension Scheme with Employer match
• Private Medical and Dental Scheme
• Income Replacement Programs
• Bike to Work scheme
• Flexible Vacation & Paid Volunteer Time Off
• Generous Paid Parental Leave
• In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.

During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable. We will not sell your personal information or disclose it to any third party for their marketing purposes. We will delete any recording of your interview promptly after making a hiring decision. For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors .

Company is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Company is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.