Senior RTB Product Manager

About Appier Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange. Job Title: RTB Advertising Optimization & GTM PM Location: Preferred: Tokyo Japan (or available to travel to Japan frequently) About the Role: We are looking for a data-driven and collaborative individual to join our team as an RTB Advertising Optimization PM. In this role, you will work closely with data scientists, campaign managers, and Japan-based business teams to improve RTB (Real-Time Bidding) campaign performance through model enhancements, market insights, and cross-functional collaboration. You will also support local business development and sales teams in identifying key market challenges and shaping the go-to-market strategy. This role offers the opportunity to work with large-scale A/B experiments across billions of ad requests daily and to directly influence product optimization efforts in the Japan market. Key Responsibilities: Partner with data scientists and campaign managers to improve RTB model and algorithm performance. Collaborate closely with Japan-based Sales teams to identify business challenges, define product solutions, and support go-to-market strategies. Analyze competitor strategies and market trends to uncover optimization opportunities. Drive data-informed decision-making to improve campaign outcomes. Design and evaluate A/B experiments at scale using billions of daily auction requests. Research and test end-to-end RTB ad serving behaviors to uncover areas for improvement. Explore and evaluate potential new signals to enhance model effectiveness. Work with the SSP partnership team to optimize traffic quality and supply-side performance. Coordinate cross-functional requirements with strong communication and alignment across regional and global teams. Language Skills: Proficient in Japanese /// Business-level English or Mandarin is a plus. Able to clearly communicate ideas and technical findings across both local and global stakeholders. Bonus: Experience in digital advertising campaign operations, media buying, or performance optimization—especially within RTB environments—is a strong plus. Experience working directly with Japanese clients or stakeholders is a strong advantage.