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Appier, an AI platform company, is seeking a Senior Manager/Director of Inventory Partnerships to spearhead supply-side efforts in Japan. This role involves establishing strategic relationships with SSPs, publishers, and data partners, working cross-functionally to deliver quality, scalable inventory and long-term value.

The Senior Manager/Director will represent Appier in the Japanese adtech ecosystem, building thought leadership and trusted relationships.

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.

Requirements:

  • 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.

Appier offers:

  • 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
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Appier

Appier is an AI technology company founded in 2012 by computer scientists and engineers. It provides AI platforms to help enterprises solve challenging business problems, offering expertise in AI, data analysis, distributed systems, and marketing. The company focuses on establishing strategic relationships within the digital ecosystem, particularly with SSPs, publishers, and data partners. Appier integrates its solutions with various platforms through SDKs, APIs, and other technical integrations, aiming to deliver scalable inventory and long-term value through programmatic advertising solutions.