Minato Mercari, Inc. ¥1,200,000 - ¥2,400,000 per year
本ポジションは日本語JDの用意がありません。

Data scientist R4D, Mercari


Employment Status:
Full-time

Work Hours:
Full Flextime (no core time)

Office:
Roppongi

For more details, see the Overview of Our Positions section on our Careers site.

About Mercari

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

Organization/Team Mission

Mercari Engineering Principles

Mercari Engineering Principles are a shared understanding that serves as the foundation of engineering beliefs and behavior at Mercari. The Engineering Principles are designed to complement the organizational identity (Mercari's mission, values, and culture) from an engineering viewpoint.


These principles ultimately help us achieve Mercari's mission by defining the ideal state we seek to realize in the long term.

Passion For The Product
Grow Together
Solve Through Mechanisms
Collaborate Openly

For More Details, Please See The Following Link

Engineering Culture


Mercari R4D is a research and development organization established in December 2017 with the goal of social implementation of advanced technologies.

"R4D" stands for Research and the four D's: Design, Development, Deployment, and Disruption — representing our mission to bridge research, innovation, and real-world impact.


We are seeking individuals with a high level of expertise in machine learning or computer vision, who have a strong interest in cutting-edge multimodal foundation models and can work autonomously.

We welcome candidates who are motivated to analyze large-scale data obtained from the market, understand its characteristics, and propose technical solutions for machine learning and performance evaluation.

As a member of our Tokyo-based team, you will contribute to creating AI technologies that support the next generation of e-commerce platforms.

See here for more information about our mission and values.

Work Responsibilities


Develop data strategies for the collection, sampling, labeling, handling, and utilization of massive datasets to improve the performance of machine learning models that power next-generation e-commerce platforms.

Design and enhance scalable data pipelines and automation for machine learning and performance evaluation.

Analyze large-scale data to understand its characteristics, propose technical solutions for machine learning and performance evaluation, and present the results both internally and externally.

Collaborate with researchers, engineers, and business teams to research and implement advanced technologies for next-generation AI services.

Unique Challenges


Experience a rare position that will allow you to take on the highly valuable challenge of implementing the results of your research into society.

Collaborate with researchers from universities, enabling us as a private company to carry out long-term research projects that are not bound by conventional frameworks.

In particular, you will have the opportunity to dive into state-of-the-art technology in AI field and update your strong skill set in AI, Computer Vision, and AR/VR domain.

Qualifications

Required Experience/Skills
Ph.
D. in Computer Science or a related field, or equivalent professional experience.

At least 2 years of experience in data science or related fields, including theoretical knowledge in machine learning (deep learning, statistical analysis, mathematical modeling, etc.).

Experience in software development using Python (numpy, scipy, scikit, pandas) and databases.
Experience using machine learning frameworks such as PyTorch or TensorFlow.
Familiarity with modern development tools and cloud environments such as Git, AWS, or GCP.
Preferred Experience/Skills
5+ years of experience in data science or related fields.
Experience analyzing large-scale databases (petabyte level).
Experience in building large datasets.
Experience building and managing infrastructure with Docker, Kubernetes, Jenkins, Terraform, GitHub Actions, or similar tools.
Business-level Japanese proficiency, with smooth reading, writing, and listening skills.
Language

Japanese:
Independent (CEFR - B2) preferred

English:
Independent (CEFR - B2)

For details about CEFR, see here.

Learn More About Mercari Group


Careers site:



Mercan:


Social media:
X / Linkedin

Recruiting at Mercari

At Mercari Group, we value empathizing with and embodying the mission and values of the Group and each company.

To promote the creation of an organization that maximizes the total amount of value exhibited by all members, we would like to understand the experience and skills of each candidate as accurately as possible.

Recruiting cycle at Mercari Group

Application screening

Skill assessment:
For engineering positions, you will be asked to complete a skill assessment on HackerRank or GitHub. For non-engineering positions, you may be asked to complete an assessment depending on the position. (The timing of the assessment may coincide with the interview process.)

Interview:
The number of interviews may vary depending on the position.

Reference check:
We will ask for online references around the timing of the final interview.

Offer:
Offers will be determined carefully in consideration of the final interview and the reference check.

Learn more about our recruiting process here.

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.

Please read and acknowledge our Privacy Policy prior to submitting your application.
Show more Show less

  • Minato Mercari, Inc. ¥1,200,000 - ¥2,400,000 per year

    We are seeking individuals with a high level of expertise in machine learning or computer vision, who have a strong interest in cutting-edge multimodal foundation models and can work autonomously. · We welcome candidates who are motivated to analyze large-scale data obtained from ...


  • Minato Mercari, Inc. ¥8,000,000 - ¥20,000,000 per year

    We are seeking individuals with a high level of expertise in machine learning and computer vision, who have a strong interest in cutting-edge multimodal foundation models and can work autonomously. · Research and develop new technologies related to multimodal foundation models an ...

  • Data Scientist

    1ヶ月前


    Tokyo LongWave ¥10,000,000 - ¥13,000,000 per year

    We are seeking a Data Scientist a fast-growing Japanese FinTech company that's revolutionizing digital payments through data-driven innovation. They've surpassed 10 million app downloads and are now expanding their data science team to strengthen product strategy, personalization ...

  • Data Scientist

    1ヶ月前


    Tokyo Rakuten ¥10,000,000 - ¥20,000,000 per year

    We are looking for an experienced Data Scientist who will contribute to extracting actionable insights from data and the model development for Rakuten's data & AI products at scale, which deliver personalized experiences. · Transforming complex business requirements into prototyp ...

  • Data Scientist

    4週間前


    Tokyo TEKsystems ¥1,200,000 - ¥1,500,000 per year

    One of our top e-commerce clients is seeking a highly skilled and motivated Data Scientist to join their team. This is a fantastic opportunity to work on large-scale data infrastructure supporting millions of products and billions in transactions annually. · Identify and define d ...

  • Data Scientist

    1週間前


    Tokyo 株式会社PeopleX アクティブコネクターグループ ¥84,000,000 - ¥156,000,000 per year

    Job summaryWe are seeking a Data Scientist to join our Tokyo-based hybrid team and transform how data drives decision-making across our cutting-edge AI product suite (AI Chat, Speech, Agent, Studio). · ...

  • Data Scientist

    4週間前


    Tokyo Robert Half ¥13,000,000 - ¥15,000,000 per year

    Lead Data Scientist – Advanced Analytics & AI Strategy (13-15M JPY) · My client is looking for a Lead Data Scientist who combines deep analytical expertise with structured problem-solving and a strong sense of mission. · Use advanced analytics, ML, and statistical methods to deli ...

  • Data Scientist

    3週間前


    Tokyo RAPSYS TECHNOLOGIES PTE LTD ¥2,000,000 - ¥2,500,000 per year

    We are looking for a skilled Data Scientist to join our Team. The ideal candidate will leverage data-driven insights to enhance decision-making and drive strategic initiatives across the organization. · Bachelor's degree in Data Science, Machine Learning, Computer Science, Physic ...

  • Data Scientist

    2ヶ月前


    Tokyo Rakuten ¥1,800,000 - ¥2,500,000 per year

    Work on the full data science process, from initial problem formulation and ideation through to model building and deployment of data science products. · Flexibly utilize Rakuten's primary big data, as well as relevant third-party data (e.g. offline sales data, geo-spatial data, ...

  • Data Scientist

    1週間前


    Tokyo 株式会社PeopleX アクティブコネクターグループ ¥2,149,000 - ¥3,185,000 per year

    Data Scientist · A Data Scientist will support digital transformation initiatives by using AI solutions. · The team focuses on enhancing audit operations through designing innovative solutions,About the Team · The team plays a key role advancing digital transformation within audi ...

  • Data Scientist

    5日前


    Tokyo Globallogic Japan ¥90,000 - ¥140,000 per year

    Seeking a Data Scientist to analyze large datasets, build predictive models, and deliver actionable insights to drive business decisions. This role offers the opportunity to work in a diverse, English-speaking team in Japan without needing Japanese language skills. · Bachelor's o ...

  • Data Scientist

    2ヶ月前


    Tokyo Rakuten Full time¥2,000,000 - ¥2,500,000 per year

    Work on the full data science process, from initial problem formulation and ideation through to model building and deployment of data science products. Utilize Rakuten's primary big data, as well as relevant third-party data, to uncover trends and patterns that help our business ...

  • Data Scientist

    3週間前


    Tokyo Shift Technology Full time¥4,000,000 - ¥12,000,000 per year

    Shift is the leading AI platform for insurance, transforming underwriting, claims, and fraud and risk through generative, agentic, and predictive AI. Our culture is built on innovation, trust, and a drive to transform the insurance industry through our SaaS platform. · Deployment ...

  • Data Scientist

    2週間前


    Chūō アステラス製薬 ¥50,000 - ¥100,000

    This position plays a critical role in providing valuable strategic business insight · and actionable recommendations to priority Commercial Division/markets to support achievement of brand objectives.The Japan Brand and Market Analytics Partner (Data Scientist) will assess bran ...


  • New York Dataiku ¥120,000 - ¥200,000 per year

    The role of a Sr Data Scientist at Dataiku is quite unique. Our Data Scientists not only code up solutions to real-world problems but also participate in client-facing endeavors throughout the customer journey. · ...


  • Tokyo Manulife Full time¥8,000,000 - ¥12,000,000 per year

    Help shape the future you want to see — and discover that better can take you anywhere you want to go. · Develops and implements analytics enabled solutions to improve business process, to generate insights, support business goals and strategy development · Owns and delivers comp ...


  • Tokyo Dataiku €10,000 - €20,000 per year

    The role of a Sr Data Scientist at Dataiku is quite unique. Our Data Scientists not only code up solutions to real-world problems but also participate in client-facing endeavors throughout the customer journey. · This includes supporting their discovery of the platform, helping i ...


  • Tokyo Dataiku Full time¥8,000,000 - ¥20,000,000 per year

    Dataiku is The Universal AI Platform, giving organizations control over their AI talent, processes, and technologies to unleash the creation of analytics, models, and agents. The role of a Sr Data Scientist at Dataiku is quite unique, participating in client-facing endeavors thro ...


  • Tokyo Manulife Full time

    We are seeking a driven and innovative Senior Data Scientist to join our Artificial Intelligence team at Manulife Japan. As part of our broader AI initiatives, including Generative AI and Predictive AI, you will play a pivotal role in designing and implementing advanced AI soluti ...


  • Tokyo myGwork - LGBTQ+ Business Community ¥5,000,000 - ¥15,000,000 per year

    Dataiku is The Universal AI Platform, giving organizations control over their AI talent, processes, and technologies to unleash the creation of analytics, models, and agents. The role of a Sr Data Scientist at Dataiku is quite unique, participating in client-facing endeavors thro ...


  • Tokyo Dataiku ¥900,000 - ¥1,200,000 per year

    Dataiku is The Universal AI Platform, giving organizations control over their AI talent, processes, and technologies to unleash the creation of analytics, models, and agents. The role of a Sr Data Scientist at Dataiku is quite unique, participating in client-facing endeavors thro ...