Job Description

This position requires English language ability. JD is available in English only. 　本ポジションは日本語JDの用意がありません。

Introduction

Circulate all forms of value to unleash the potential in all people

"What can I do to help society thrive with the finite resources we have?" The Mercari marketplace app was born in 2013 out of this thought by our founder Shintaro Yamada as he traveled the world. We believe that by circulating all forms of value, not just physical things and money, we can create opportunities for anyone to realize their dreams and contribute to society and the people around them. Mercari aims to use technology to connect people all over the world and create a world where anyone can unleash their potential.For more information about Mercari Group’s mission, see Mercari's Culture Doc .

Equal Opportunity Hiring

Here at Mercari, we work to realize a world in which no one’s potential is limited by their background and everyone has the opportunity to freely create value. We also firmly believe that a mindset of Inclusion & Diversity is essential for us to achieve our mission.This, of course, extends to our hiring practices as well. Mercari is committed to eliminating discrimination based on age, gender, sexual orientation, race, religion, physical disability, and other such factors so that anyone who shares our mission and values can join us, regardless of their background.

For more details, please read our I&D Statement .

Team’s Mission / Work Responsibilities

The AI / LLM Team’s mission is focused on two core pillars, "building" and "enabling" – delivering new AI-driven features and user experiences to maximize the impact of Mercari's business, as well as utilizing AI technologies to enhance productivity across the entire Mercari Group. We do this both through independent initiatives owned by our team, as well as by horizontally collaborating with product and engineering teams across the entire organization

(Learn more about Mercari's mission and values here .)

As a Data Analyst on the AI/LLM team, you will have the unique opportunity to work on data at scale, including performing business analysis, developing insights, and providing actionable recommendations that support our AI-driven features, product roadmap, and overall business strategy.

Specific work responsibilities include the following:

• Data Analysis and Insight Development: Identify and evaluate new opportunities through data mining and translate them into crisp, actionable business recommendations that inform and drive product decisions.
• KPI Management: Define, monitor, and report on key performance indicators (KPIs) for various initiatives and projects.
• Driving Experimentation: Together with other key stakeholders, set up, review, and analyze A/B tests and other experimentation to assess new features or changes.
• Project Analysis: Track and analyze the long-term impact of launched projects.
• User Analysis: Understand user journeys and behavior trends and use them to inform product roadmaps and business decisions.
• Cross-functional Collaboration: Work closely with product managers, engineers, and other stakeholders to ensure data needs are met and insights are effectively communicated.
• Data Quality Assurance: Implement processes and checks to ensure data accuracy and reliability.

Unique and Bold Challenges

• Big Data and Large Market: In this position, you will be able to leverage Mercari Group’s vast amounts of information to create products used by a large number of people.
• AI-driven Product Design: You will have opportunities to inform and guide the design and development of cutting-edge generative AI/LLM services used by tens of millions of people.
• Tangible User Impact: Your data-driven insights will directly enhance user experiences for tens of millions of people using Mercari products.
• Strategic Influence: Play a critical role in decision-making processes that determine the team's product roadmap and overall product strategy.

Required Qualifications

• Shared belief in the mission and values of Mercari Group and its various companies.
• Passion for creating new business opportunities.
• 5+ years of practical experience with data analysis aimed at solving business- and user-related issues.
• Experience analyzing data using SQL or another programming language.
• Knowledge and skills to perform basic data operations in SQL.
• Basic understanding of statistics.
• Experience with data analysis, business intelligence, and data visualization.
• Proficiency in statistical analysis techniques and tools.
• Ability to translate complex data into clear actionable insights.
• Excellent communication skills to convey findings and recommendations to both technical and non-technical stakeholders.

Preferred Qualifications

• Experience in the e-commerce or C2C marketplace industries.
• Experience in hypothesis testing and conducting A/B tests.
• Proficiency in scripting languages such as Python or R for analysis.
• Familiarity with machine learning concepts and their practical applications.
• Participation in the open-source community.

Screening Criteria

• Has leadership ability, flexibility, and time management skills
• Proactively learns new technologies and puts them into practice
• Thinks about what’s best for the product and how they can provide the most value through technology
• Sees diverse changes as opportunities for constant improvement and development
• Is able to consistently come up with ideas for improvement and act upon them
• (See this page for details.)

Language Requirements

• English: Proficient (CEFR - C1) 
• Japanese: Independent (CEFR - B2) - Nice to have but not required
• *Check here for more information about CEFR.

Working Conditions

Employment Status

Full-time

• Probationary period: First 3 months after joining the company. (During this period your contract conditions will be the same as that of a permanent employee.)

Office

Roppongi

• Smoking is prohibited within our offices

Work Hours

• Full flextime (no “core time” or “flex time”)
  *Does not apply to all positions

Holidays

• Two days off per week (as well as national holidays, New Year's break, etc.)
• Paid leave, congratulatory and bereavement leave, relax days, sick leave

Salary

• Annual salary paid in 12 monthly installments (including fixed overtime allowance)
• Based on skills, experience, and abilities
• Reviewed twice a year

Benefits

• Complete health and social insurance
• Incentive program
• Support systems, including those that benefit the employee’s family members
  *See this page for details .

Support

• Relocation support
• Language learning support
• Translation/interpretation support
  *See this page for details .

Media

Corporate Sites

• Merpay, Inc. [Japanese]

Owned Media

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