Business Development / Product Manager

This full-time position manages product strategy and growth for an advertising platform in the ad technology business. The role works with a large-scale RTB system handling 90 billion monthly impressions and several million requests per second, using analysis and planning to improve advertising business performance.

Responsibilities include analyzing competing products, comparing functions and performance, reviewing market trends, and planning and validating differentiating features. The role extracts and analyzes data with SQL and uses statistical analysis to understand market size and growth rates. It also analyzes customer data to support new product planning.

The position works with business development staff to plan and advance development of new products in areas including CTV/OTT, DOOH, and retail media. It identifies bottlenecks from monthly impression logs, designs and analyzes A/B tests to measure feature effects, and collaborates with data scientists to improve machine-learning models. Additional responsibilities include managing agile development sprints and preparing and executing data-based reports and action plans for management.

The role covers both the continued growth of an existing advertising platform and the planning and development of new businesses. It participates in upstream business and product strategy decisions concerning target markets, priority problems, and investment in features and products.

Applicants must have at least two years of experience in one of the following areas: project management, consulting for IT projects, product management, data analysis, or engineering. Experience in development or data science, business development or new-business launches, and the ad technology industry, including SSP, DSP, or ADNW, is welcomed. Business-level English is also welcomed. No educational qualification is specified.

The position is based in Shinjuku, Tokyo. Working hours are 10:00–19:00 with a one-hour break, and Saturdays, Sundays, and public holidays are non-working days. Annual compensation is JPY 6.5–9 million, with monthly pay of JPY 464,286–642,857, twice-yearly bonuses, and additional overtime pay for hours exceeding the fixed 45-hour allowance. The regular-employee benefits include social insurance, full transportation reimbursement, book-purchase support, refresh and club allowances, designated-station housing support, meal events, qualification and work-related English-learning support, refresh leave after three years of continuous service, annual health checks, and an employee stock ownership plan. The probationary period is one month. The selection process consists of document screening, two interviews, and an offer; an SPI assessment and reference check are required before the final interview.