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Senior Supply Partnerships Manager, Japan (f/m/d)

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Tokyo Hybrid permanent

Posted: March 27, 2026

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Quick Summary

We are seeking a Senior Supply Partnerships Manager to join our Tokyo-based team to drive the growth of our mobile ad ecosystem, leveraging advanced AI and first-party data to scale app publishers worldwide.

Job Description

adjoe is redefining the future of mobile ads. Powered by advanced AI, first-party data and world-class engineers, we’ve perfected the offerwall experience for monetizing and scaling app publishers with solutions like Playtime and Arcade – now the fastest growing rewarded advertising channel globally – driving incremental engagement, retention, and revenue.

At the same time, we’re breaking into programmatic advertising with the intelligent bidding system of adjoe Ads. Together, this ecosystem connects app developers to over 600 million users worldwide for scalable growth. Backed by a $100 million investment from Bertelsmann and operating from offices in Hamburg, Boston, Singapore, and Tokyo, adjoe is defining the next stages of app and ad experience – right now. Join us.

Meet Your Team: Supply Partnerships

Big ambitions lead to big impact – and big revenue numbers. The Supply Partnerships team is an indispensable unit in driving adjoe to reach every single app user on the globe. You don’t just focus on seamlessly integrating our ad solutions into publishers’ apps, you tell publishers what they need to do to create the most engaging ad experiences for their users. Today, our formats reach hundreds of millions of monthly active users through our extensive network of publisher apps. Join this highly charged team and reshape the way apps operate their business!


What You Will Do::

Establish strong relations with potential publisher partners in Japan and beyond and bring them to use adjoe’s monetization solution.


Be responsible for overall pipeline management including lead generation, reach-outs, and closing.


Work closely with internal stakeholders on onboarding and growing your clients.


Use our CRM to track activities and the pipeline.


Prepare customized sales presentations for your partners.


Attend events to meet potential clients.


Gather and communicate your partner’s needs and industry trends internally.


Be part of an international English-speaking team and a very international company


Who You Are:

You have at least 4 years of experience in tech sales, preferably in the adtech or the mobile advertising space with a proven track record.


You understand the standard KPIs used in adtech (CPI, eCPM, CPC, ARPDAU, etc.)


You possess outstanding communication skills (verbal and written)


You are an expert with Google Suite (especially, with Sheets and Slides)


You are a Native Japanese speaker and proficient in English


You have experience using a CRM


You have an output- and revenue-driven attitude


You like to work in a fast-paced environment


You enjoy a strong sense of ownership


You are hungry to make a real impact in sales and win T1 and T2 enterprise clients in Japan.

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