Senior Mobile Monetization Engineer

Description We are looking for a highly technical Senior Mobile Monetization Engineer to own and optimize the entire monetization infrastructure across our mobile applications. You will build, improve, and scale our ad-monetization stack to maximize revenue, fill rate, eCPM, and advertiser demand - working at the intersection of backend, mobile SDKs, mediation platforms, and real-time optimization, on systems that directly impact millions of users and significant revenue. Responsibilities: • Design, develop, and optimize the core monetization infrastructure across multiple mobile applications. • Improve ad waterfall and bidding performance to maximize eCPM, fill rate, ARPDAU, and total ad revenue. • Integrate and optimize mediation platforms (AppLovin MAX, AdMob, LevelPlay, etc.). • Build intelligent optimization systems for ad placement, frequency, segmentation, and pricing. • Develop backend services and automation tools for real-time monetization decisions. • Analyze monetization performance using large-scale data and implement data-driven improvements. • Optimize SDK integrations, latency, memory usage, and overall ad performance. • Work closely with Growth, Product, and Data teams to continuously increase LTV and user monetization. • Research and implement new monetization technologies, bidding strategies, and demand sources. What you'll own: • Increase overall monetization performance across millions of users. • Maximize fill rate, eCPM, advertiser competition, and total revenue. • Build the next generation of the monetization engine using automation and AI. • Deliver measurable business impact through engineering excellence. Requirements Must-have skills: • Ad-monetization domain (25%) - deep understanding of RTB, Header Bidding, Waterfalls, Fill Rate, eCPM/CPM optimization, and advertiser demand. • Ad mediation platforms + mobile advertising SDKs (20%) - hands-on integration and optimization. • Software development (20%) - strong backend, distributed systems, APIs, and performance optimization. • Mobile development (15%) - Android and/or iOS. • Analytical, data-driven optimization (12%) - analyze large-scale monetization data and implement data-driven improvements. • High-scale consumer app experience (8%) - experience with high-scale consumer applications reaching millions of users. Nice-to-have skills: • Hands-on with AppLovin MAX, Google Ad Manager, AdMob, Unity Ads, or IronSource. • Building internal optimization engines using AI or Machine Learning. • Familiarity with attribution, user segmentation, A/B testing, and predictive monetization models. Originally posted on Himalayas