Lead Ad Tech Engineer

As a hands-on mobile ad-tech engineer, your role will involve building and scaling in-app monetization using Google Ad Manager (GAM). You will be responsible for integrating and productionising Google Mobile Ads (GMA) SDK with GAM on Android/iOS, implementing in-app bidding, designing ad placements, sending events to Big Query, ensuring privacy and compliance, maintaining quality and reliability, and collaborating with cross-functional teams. **Key Responsibilities:** - Integrate and productionise Google Mobile Ads (GMA) SDK with Google Ad Manager (GAM) on Android/iOS (and React Native/Flutter bridges when needed) - Implement in-app bidding using Prebid Mobile and/or GAM Open Bidding, manage partner SDKs, timeouts, price floors, creative safety, and ANR-safe refresh cycles - Design ad placements that protect performance, add lazy loading, set viewability thresholds, and enable OM SDK (IAB OMID) measurement - Send GMA/GAM events to Big Query, build stable ETL to BI tools, own dashboards for fill rate, eCPM/RPM, ARPU, viewability, latency, invalid traffic alerts, and anomalies - Implement Google UMP SDK, IAB TCF v2.2 consent strings, CCPA/CPRA, Apple ATT, SK AdNetwork post backs, ensure correct COPPA and content-rating settings - Add automated tests for ad flows and partner SDKs, use feature flags to roll out placements safely, run holdouts/A-B tests - Work with Product, Design, and Growth teams to balance UX and revenue, plan and ship experiments on placement, frequency caps, floors, and bidder mix **Qualifications Required:** - 58 years of experience in ad-tech engineering with strong, hands-on GAM + GMA SDK integration on Android (Kotlin) and/or iOS (Swift) - Experience in building in-app bidding (Prebid Mobile / GAM Open Bidding) and working with multiple mediation/bidder SDKs - Deep understanding of programmatic advertising, GAM line-item strategy for apps, key-value targeting, creative formats, and brand-safety - Proficiency in event pipelines and SQL (BigQuery), ability to build revenue and UX dashboards - Strong debugging skills using tools like Charles/Proxyman, crash/performance tools, and mobile CI/CD In the first 90 days, success in this role will be defined by live GAM + GMA SDK integration with consent flows, running dashboards for fill, RPM, viewability, and latency with alerting, and shipping one meaningful placement/bidding experiment with measurable uplift and no UX regressions. As a hands-on mobile ad-tech engineer, your role will involve building and scaling in-app monetization using Google Ad Manager (GAM). You will be responsible for integrating and productionising Google Mobile Ads (GMA) SDK with GAM on Android/iOS, implementing in-app bidding, designing ad placements, sending events to Big Query, ensuring privacy and compliance, maintaining quality and reliability, and collaborating with cross-functional teams. **Key Responsibilities:** - Integrate and productionise Google Mobile Ads (GMA) SDK with Google Ad Manager (GAM) on Android/iOS (and React Native/Flutter bridges when needed) - Implement in-app bidding using Prebid Mobile and/or GAM Open Bidding, manage partner SDKs, timeouts, price floors, creative safety, and ANR-safe refresh cycles - Design ad placements that protect performance, add lazy loading, set viewability thresholds, and enable OM SDK (IAB OMID) measurement - Send GMA/GAM events to Big Query, build stable ETL to BI tools, own dashboards for fill rate, eCPM/RPM, ARPU, viewability, latency, invalid traffic alerts, and anomalies - Implement Google UMP SDK, IAB TCF v2.2 consent strings, CCPA/CPRA, Apple ATT, SK AdNetwork post backs, ensure correct COPPA and content-rating settings - Add automated tests for ad flows and partner SDKs, use feature flags to roll out placements safely, run holdouts/A-B tests - Work with Product, Design, and Growth teams to balance UX and revenue, plan and ship experiments on placement, frequency caps, floors, and bidder mix **Qualifications Required:** - 58 years of experience in ad-tech engineering with strong, hands-on GAM + GMA SDK integration on Android (Kotlin) and/or iOS (Swift) - Experience in building in-app bidding (Prebid Mobile / GAM Open Bidding) and working with multiple mediation/bidder SDKs - Deep understanding of programmatic advertising, GAM line-item strategy for apps, key-value targeting, creative formats, and brand-safety - Proficiency in event pipelines and SQL (BigQuery), ability to build revenue and UX dashboards - Strong debugging skills using tools like Charles/Proxyman, crash/performance tools, and mobile CI/CD In the first 90 days, success in this role will be defined by live GAM + GMA SDK integration with consent flows, running dashboards for fill, RPM, viewability, and latency with alerting, and shipping one meaningful placement/bidding experiment with measurable uplift and no UX regressions.