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

You will be an employee of Mercari Japan and working in our Tokyo office, primarily for the US version of Mercari.

Mercari’s US business started operations in 2014. With a mission to make selling easier than buying, Mercari US aims to provide a service where people can easily sell almost anything online. The US business still hides tons of untapped growth potential, through shipping innovations such as the expansion of same-day delivery, automation that mitigates users’ price-setting confusion by suggesting prices, and other features. In order to facilitate the US business’s development while generating synergy with Mercari’s Japan business, our US operations are developing their product not only in the US offices, but in Japan (Tokyo) as well.

Work Responsibilities

  • Design, develop, test, deploy, maintain, and improve backend software
  • Write code in Go and PHP
  • Work with Product Managers and Designers
  • Collaborate with iOS and Android Engineers to develop new features
  • Collaborate with QA Engineers to deliver high-quality features quickly
  • Work with third-party vendors to integrate new functionality
  • Solve complex architectural challenges
  • Write and maintain technical documentation

Bold Challenges

  • Develop product features in a fast-paced Silicon Valley startup environment
  • Design highly scalable systems that can support the continued growth of Mercari US
  • Proactively share ideas and contribute to our engineering culture
  • Gain a deep understanding of the US market to ensure Mercari’s continued success
  • Work effectively in a multicultural environment with colleagues from various backgrounds

Required Experience

  • 3+ years of industry programming experience
  • Professional engineering experience with consumer applications
  • Exceptional communication skills
  • Experience developing complex software systems scaling to millions of users with production-quality deployment, monitoring, and reliability
  • A positive attitude and an insatiable desire to learn

Preferred Experience

  • Experience with PHP or Go
  • Experience designing, developing, and managing microservices
  • Experience with Docker and Kubernetes or similar systems
  • Experience working on GCP or AWS or similar systems
  • Excellent knowledge of distributed systems
  • Demonstrated ability to write code with appropriate tests
  • Experience leading or managing teams
  • Experience working in large, cross-functional teams
  • Experience mentoring engineers
  • Experience working in an Agile environment
  • Experience with JavaScript ES6 and modern frontend frameworks such as React, Angular or Vue

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.

Read her story...

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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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