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Mercari

Peer-to-peer mobile marketplace for secondhand goods

Software Engineer, QA

Manual & Functional QAConfirmed live in the last 24 hours
Full-timeMinato City, Tokyo, JapanNo salary listed

About the Job

Requirements

  • At least 3 years of software quality assurance experience.
  • Knowledge of or experience with software testing.
  • Quality assurance experience with mobile or web applications.
  • Knowledge of or experience with process improvement in projects.
  • Ability to communicate in business-level Japanese.
  • Alignment with the Mercari Group mission and values.

Responsibilities

  • Identify and introduce opportunities for artificial-intelligence-assisted test automation while planning comprehensive tests and executing test cases.
  • Analyze test data using artificial-intelligence-assisted analysis tools to identify trends and patterns, improve test coverage, and improve defect-prediction accuracy.
  • Design and implement quality assurance strategies using artificial intelligence, and evaluate and integrate artificial-intelligence tools for creating, executing, and analyzing test cases.
  • Review and improve specifications.
  • Plan, design, and conduct testing for medium-sized projects.
  • Manage test environments.
  • Report and track software defects.
  • Design, implement, and maintain API and regression tests.
  • Work with development teams to ensure effective testing of artificial intelligence models and their integration into software.
  • Coordinate and negotiate with developers of related microservices.
  • Coordinate quality assurance work across multiple services and teams.
  • Manage testing, bugs, and team-member work for assigned microservices.
  • Improve development processes, including through the adoption of artificial-intelligence technologies.
  • Improve and automate testing for web, mobile applications, and backend systems.
  • Keep up to date with artificial-intelligence trends and recommended best practices in quality assurance.

Desired Qualifications

  • At least 1 year of experience with test automation frameworks and artificial-intelligence-assisted automation.
  • Strong interest in and understanding of artificial-intelligence concepts and their application to software quality assurance.
  • Software development experience.
  • Knowledge of artificial-intelligence tools and platforms, such as artificial-intelligence-based test-generation tools.
  • Experience analyzing large datasets or using data-visualization tools, and interest in making data-driven quality-assurance decisions using artificial intelligence.
  • Experience building test environments and knowledge of continuous integration and continuous delivery.
  • Experience and ability related to implementing and operating automated tests.
  • Experience in quality management or test management.
  • Quality assurance experience for services built with microservices.
  • Experience creating test plans from scratch.
  • Quality assurance experience in the financial or payments industry.
  • Experience with machine-learning models.

About the Company

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Mercari

Peer-to-peer mobile marketplace for secondhand goods

Mercari operates a mobile peer-to-peer marketplace for buying and selling secondhand goods. Users list items by taking photos in the app, and buyers complete purchases there, with payments held in escrow until receipt is confirmed. Revenue comes from seller fees (10% in Japan; 10% plus 3.6% buyer protection in the US), plus Merpay payments and promoted listings, plus shipping partnerships for integrated delivery. The platform differentiates itself through a simple mobile experience, escrow and buyer protection, shipping integration, and a broader marketplace including Mercari Shops for sellers, with a goal of extending product life and supporting a circular economy.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Tokyo, Japan
Founded
2013

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