Senior Manager / Director, Inventory Partnerships (Tokyo-Japan)

Senior Manager / Director, Inventory Partnerships (Japan)

About Appier
Appier is a technology company that provides AI platforms to help enterprises solve their most challenging business problems. Founded in 2012 by a team of passionate computer scientists and engineers, Appier delivers deep expertise in AI, data analysis, distributed systems, and marketing.

About the Role

We are looking for a Senior Manager or Director of Inventory Partnerships to lead and scale our supply-side efforts in the Japanese digital ecosystem. This role focuses on establishing and optimizing strategic relationships with SSPs, publishers, and data partners, working cross-functionally to deliver quality, scalable inventory and long-term value.

This is a key role for candidates with strong programmatic knowledge, strong networks, and the drive to lead initiatives in one of the most advanced digital markets in the world.

Responsibilities

• Drive strategic partnerships with SSPs, exchanges, direct publishers, and mobile/web inventory partners in Japan.
• Collaborate closely with regional Sales, Product, and Engineering teams to align supply initiatives with business needs.
  Analyze RTB data and monetization trends to identify growth opportunities and optimize inventory performance.
• Oversee technical integrations (SDK, mediation, API) and manage the full partner lifecycle from onboarding to performance scaling.
• Represent Appier in the Japanese adtech ecosystem—building thought leadership and trusted relationships.
• Localize and execute global supply strategy for the Japan market.
• Provide actionable market intelligence and partner feedback to influence product roadmap and operational planning.
  
  

About You

[Essential]

• Bachelor’s degree in a relevant field.
• 5–8 years of experience in programmatic advertising, ad networks, or publisher-side partnerships.
• Deep understanding of programmatic buying and monetization metrics: CPM, CPC, CPA, ROAS, etc.
• Fluent in Japanese, with strong written and verbal English skills.
• Strong commercial instincts with the ability to negotiate and build senior-level partnerships.
• Solid data-driven mindset; comfort working with bid-level data and partner performance reports.
• Familiarity with SSP integration models, SDK setups, and mobile/web monetization tools.
  
  

[Nice to Have]

• Experience in DSPs/SSPs like Moloco, The Trade Desk, LoopMe, Google AdMob, etc.
• Knowledge of the Japan digital advertising ecosystem and publisher monetization trends.
• Existing network of partners in Japan digital advertising ecosystem.
• Hands-on experience with dashboarding and data visualization tools (e.g., Looker, Tableau).
• Comfort navigating complex technical conversations with product/engineering counterparts.

 

Perks and Benefits

• Tokyo office in the city’s central business district
• Competitive salary package
• Comprehensive health insurance
• Laptop of your choice (Mac/Windows)
• Fully stocked pantry and regular team events
• Hybrid flex work

#LI-BD1　#LI-Hybrid