About Mercari

Roppongi, Tokyo

Mercari is a marketplace app that makes it easy for people to safely sell and ship their things. Having been downloaded over 100 million times, it is now among the largest peer-to-peer selling platforms globally.

Key benefits

  • Full flextime
  • Outside work encouraged
  • Employee stock ownership program

About the position

In order to break down the barriers that typically divide people in software development, we refer to everyone as software engineers. As a company, we believe all software engineers should use the most appropriate technology available, so we don’t limit people to particular roles or technology. This does not mean that we don’t believe in specialization, but we think that someone’s work should not be limited by their job title.

Required Experience

  • Developing, operating, making decisions when selecting technology, and continuous improvement of large-scale product codebases
  • At least 3 years of experience in at least one of the following technical area:
    • Backend: Design, development, and operation of APIs using Go, PHP, or Java
    • Frontend: Development related to frontend fields such as web browsers, JavaScript, TypeScript, React.js, Next.js, or Redux
    • Mobile: Development using Swift or Kotlin
    • Machine Learning: ML modeling or development experience with ML systems
  • Ability to design and develop with performance and scalability in mind
  • Extensive knowledge of object-oriented software development, networking, memory management, and software testing
  • Good communication and interpersonal skills with the ability to collaborate with multiple stakeholders

Preferred Experience

  • Project management and/or team leadership
  • Development and operation in a microservices architecture
  • Knowledge of and experience with database (RDBMS, NoSQL), network, Linux server, surveillance system, logging, SLA, SLO, and system operation
  • Cloud development experience (preferably GCP or AWS)
  • Understanding of UI development
  • OSS contribution experience / familiarity with the OSS community
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Meet Mercari's Developers

Joining Mercari as a tech lead

with Jieqiong Yu

Jieqiong shares her experience of joining Mercari and working as a tech lead. She explains their engineering culture and provides tips for potential applicants.

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About Mercari

Roppongi, Tokyo

Mercari is a marketplace app that makes it easy for people to safely sell and ship their things. Having been downloaded over 100 million times, it is now among the largest peer-to-peer selling platforms globally.

Key benefits

  • Full flextime
  • Outside work encouraged
  • Employee stock ownership program

Other Jobs at Mercari

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