Marketing Data Engineer – Ad Tech

• Build and maintain API/ETL ingestion from DSPs, ad servers and other advertising platforms
• Normalize campaign data and maintain metric definitions used across dashboards and reporting
• Manage cloud-warehouse structures and client data deliveries where required
• Reconcile pipeline output against raw platform exports and investigate material variance
• Build automated data-quality checks, alerting and monitoring for pipeline/dashboard health
• Manage service-account/API credential workflows in the clients owned environments
• Support platform migrations and rebuild data integrations without reporting discontinuity
• Partner with Dashboard Developer and Programmatic Lead on definitions, mapping and release validation

• 4+ years in data engineering/analytics engineering with production ETL/API responsibility
• Strong SQL plus at least one production programming/scripting language such as Python
• Experience with cloud data warehouses such as BigQuery, Snowflake or equivalent
• Experience reconciling data across multiple source systems and designing data-quality controls
• Ability to own production pipelines, troubleshoot failures and document data definitions clearly
• Direct experience with advertising/marketing platform APIs and campaign data (preferred)
• Experience with DV360 or other DSP data models, ad-server data or marketing attribution feeds (preferred)
• Experience with scheduled reporting/alerting and secure client data delivery (preferred)