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Product Manager / プロダクトマネージャー(Logistics) - Mercari Marketplace

Salary not provided

Japanese only
Japanese: Fluent

Minimum year of experience: 3

Mercari

Product Manager / プロダクトマネージャー (Logistics) - Mercari Marketplace

Location: Minato City, Tokyo, Japan (Roppongi)
Employment Type: Full-time employee
Work Style: Flextime (no core hours)

Overview

The Logistics team at Mercari Marketplace is responsible for shipping and delivery services, working closely with multiple external stakeholders to provide an easy-to-use user experience even for first-time users. As a Product Manager, you will take end-to-end ownership—from strategy through execution—and lead a cross-functional team. The development structure is AI-powered, enabling rapid research, prototyping, and data-driven hypothesis validation.

Key Responsibilities

  1. Define the vision, strategy, and roadmap

    • Define the ideal future state of Logistics, and develop a mid-to-long-term vision and an actionable roadmap.
    • Based on quantitative/qualitative data and market/competitive trends, decide the priorities most directly tied to business growth while building alignment with the leadership team and related divisions.

  2. Discovery and generating a high-quality backlog

    • Integrate diverse inputs—quantitative, qualitative, market, and competitive—to continuously supply a high-quality product backlog equipped with testable hypotheses and success conditions.
    • Use generative AI to accelerate research and prototyping and to run validation cycles faster.

  3. Leading product development

    • Under a structure in which engineers lead development end-to-end, the PdM concentrates on hypothesis validation and key decisions.
    • Collaborate with the BizDev team to define API specifications with shipping carriers.
    • Lead integration testing and the release, informed by a clear understanding of the carrier-side development work and progress.

  4. Launch & Learning (designing for reach, usage, and learning)

    • Don't treat the release as the finish line: lead GTM design (Push/promotion/PR) and coordinate with related divisions (Marketing/CRM/CS, etc.).
    • Monitor post-launch growth and long-term impact, and design the Next Action.

  5. Collaboration with stakeholders

    • Coordinate requirements with the BizDev team.
    • Develop risk mitigation plans with the CS and Legal teams.
    • Determine feature development priorities.
    • Report to and align with senior leadership.

Examples of Tools Used on the Job

  • General chat / generative AI: Gemini, Claude
  • Knowledge QA / research support: Notion AI, NotebookLM
  • Development support (code completion / coding agents / IDE): Cursor, GitHub Copilot, Claude Code, Devin, Codex, Gemini Code Assist
  • Workflow automation / AI app development (no-code / low-code): n8n, Dify

Unique Challenges

  • The Logistics domain involves multiple offline-driven constraints, such as physical drop-off points, item size, and carrier-specific flows, resulting in numerous branching scenarios.
  • Everyday individuals are the sellers, so the product’s UX is crucial and rigorously evaluated.
  • The AI-powered development process allows the PdM to focus on discovery and business outcomes, advancing new user experiences with broad discretion.

Requirements

Required Experience / Skills

  • You resonate with the mission and values of the Mercari Group and of each company.
  • You can demonstrate consistent ownership from product discovery through delivering value to users, using AI.
  • Experience using AI tools for research, hypothesis validation, and prototyping; integrating data/user understanding; and improving the quality and speed of decision-making.
  • Experience taking responsibility for business outcomes such as KPIs (not the number of features) and leading the full cycle of discover → build → learn.
  • Experience not stopping at release, but designing through "reach, usage, and learning"—driving GTM, cross-divisional coordination, and post-launch learning.
  • Experience in product management for internet services (3+ years).
  • Basic knowledge of software development (agile, etc.) and experience collaborating with engineering teams.
  • Experience extracting insights through data analysis using SQL, etc.

Preferred Experience / Skills

  • Cross-boundary skills: a practical feel for at least one of BE/Frontend/Design/Data, usable for building prototypes and for dialogue with engineers.
  • Experience in both 0→1 (new launches) and 1→N (improving existing products).
  • Experience in stakeholder coordination and alignment with Legal/BizOps/leadership/external partners, etc.
  • Understanding of A/B testing and experience making decisions based on test results.
  • Experience designing shipping/delivery UX for e-commerce services.
  • Work experience using English, or experience in product development with multinational teams.

Language

  • Japanese: Proficient (CEFR B2) or above required
  • English: Independent (CEFR B1) or above preferred (those able to acquire it within 6 months of joining)
    • ※ For details on CEFR, please see here.

Selection Process

  • Document screening
  • Interviews: multiple rounds depending on the position
  • Reference check: online response format (conducted around the final interview)
  • Offer: decided based on the results of the final interview and the reference check

Equal Opportunity

At Mercari, we are committed to eliminating all discrimination based on age, gender, sexual orientation, race, religion, physical ability, or any other attribute so people of diverse backgrounds who resonate with Mercari's mission and values can join us.
For more details, please see our I&D statement.

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