Engineering Manager, Machine Learning - US App

  • Remote OK - Anywhere in Japan
  • Full-time
  • August 19, 2022
Apply from Japan Only
(You must live in Japan to apply)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Mid-level or above


Our Mission

Mercari has sought to expand overseas from the outset. This led us to enter the US market in 2014, the year after Mercari’s founding. The US is home to people of diverse backgrounds, of many different races, nationalities, and religions. Laws and culture also differ from state to state. Growing our US service requires grappling with complex problems and issues. This is exactly why we think of the US as a microcosm for our future global expansion. It’s an extremely important country for us, where we cannot afford to fail. While this makes it much more difficult than our Japan-side operations, our US business contributes greatly to achieving Mercari’s mission, and we will continue to face the challenges of the US market going forward.

Our Culture

To achieve our mission at Mercari, our organization and each of our employees share the same values and perspectives. Our individual guidelines for action are defined by our three values: Go Bold, All for One, and Be a Pro. Our organization is also shaped by our four foundations: Sustainability, Diversity & Inclusion, Trust & Openness, and Well-being for Performance. Regardless of how big Mercari gets, the culture will remain essential to achieving our mission and something we want to preserve throughout our organization.

We invite you to read the “Mercari Culture Doc,” which summarizes the behaviors and mindset shared by Mercari and its employees. We continue to build an environment where all of our members of diverse backgrounds are accepted and recognized, and where they can thrive while holding dear Mercari’s culture.

Announcement about hiring limitations under Japan’s entry ban

  • Along with many other countries, Japan is expanding entry/visa restrictions in line with the Japanese government's decision to ban new entries on Nov 29, 2021. With this announcement we may be unable to continue the hiring process with every candidate at this time. Given the uncertainty of the situation, please kindly understand that we will be prioritizing local applicants (possessing valid working visas, etc.) and applicants overseas who already possess valid Japanese working visas or who have Japanese nationality to ensure a smooth hiring experience. We are of course maintaining open channels of communication regarding individual cases and will monitor the situation in order to adjust our policies as circumstances change.

Position Overview

Work Responsibilities

  • Lead, develop, and grow a team of engineers through technical design, implementation, testing, and deployment of web applications and supporting services
  • Understand individual engineers’ motivations and encourage their personal and career growth along with the growth of the business
  • Maintain effective communication and collaboration with cross-functional partners
  • Partner with product management, data analytics, business operations and other engineering leaders to build and deliver the roadmap of your team
  • Plan for long term growth and help recruit excellent engineering talent

Bold Challenges

  • Machine learning/AI is one of our key technologies to boost our business and make our service operations efficient. To satisfy diverse customer needs, you will work collaboratively with product managers, data engineers and backend engineers to architect and build advanced systems.
  • 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
  • You will work with a great team based in Tokyo, and also collaborate with many teammates across the US. Working globally with a diverse team, we’re all-in to help people in the US buy and sell on Mercari, while getting ready for whatever comes next.

Required Experience

  • Shared belief in Mercari’s mission and values
  • 3+ years experience in developing and maintaining ML features/systems and 3+ years of experience in managing a team of engineers
  • Experience hiring and onboarding new employees
  • Exceptional communication skills to coordinate with stakeholders across departments
  • Experience developing complex software systems scaling to millions of users with production-quality deployment, monitoring, and reliability

Preferred Experience

  • Proven track record of productionizing machine learning applications
  • Experience developing a scalable and high-performance search system
  • Experience designing, developing, and managing microservices with Docker and Kubernetes or similar systems
  • Experience with cloud- native architectures (e.g., within AWS, GCP, Microsoft Azure)
  • Experience working in large, cross-functional teams
  • A positive attitude and an insatiable desire to learn

Screening Criteria

  • Please provide your resume in English.
  • We will conduct interviews in English.
  • Hiring Process Overview (subject to change)
    • 1. Doc Screening
    • 2. Interviews (3-4 rounds. There are some cases you will meet a few members in 1 round)
    • 3. Background check
    • 4. Offer
    • 5. Hire
  • *Check here for more details

Language Requirements

  • English: Independent (CEFR - B2) required
  • Japanese: Basic (CEFR - A2) optional
  • * For details about CEFR, see here

Largest C2C marketplace in Japan and Japan's first tech unicorn, Mercari is aiming to become a truly global tech company. Their app allows anyone with a smartphone to easily sell items they no longer need, providing a new and unique user experience.

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.

View Mercari's company page

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