Position Overview

Work Responsibilities

• Craft a reliable and delightful item search experience

• Build and maintain search features and infrastructure

• Design, develop, test, deploy, maintain, and improve backend software

• Write code in Go, Java and PHP

• Work with Product Managers and Designers

• Collaborate with machine learning, iOS and Android Engineers to develop new features

• Work with third-party vendors to integrate new functionality

• Solve complex architectural challenges

• Write and maintain technical documentation

Bold Challenges

• 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.

• At Mercari, the search is one of the core functions, which connects millions of buyers and sellers. To satisfy diverse customer needs, you will work collaboratively with product managers, machine learning and backend engineers to architect and build advanced systems.

• 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

• Shared belief in Mercari’s mission and values

• 3+ years experience in building and operating search engines and systems (e.g., Elasticsearch, Solr, Algolia)

• 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

Preferred Experience

• Highly proficient with backend coding languages (e.g., Go, Java, PHP)

• Experience developing a scalable and high-performance search system

• Experience tuning relevance and ranking of search results

• Experience designing, developing, and managing microservices with Docker and Kubernetes or similar systems

• Experience working on GCP or AWS or similar systems

• Excellent knowledge of search engines and distributed systems

• Demonstrated ability to write code with appropriate tests

• Experience leading or managing teams

• 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. Skill Test

  • 3. Interviews (3-4 rounds. There are some cases you will meet a few members in 1 round)

  • 4. Background check

  • 5. Offer

  • 6. Hire

*Check here for more details

Language Requirements

• English: Independent (CEFR - B2) required

• Japanese: Basic (CEFR - A2) optional

• Click here for more information about CEFR

Working Conditions

Employment Status

Full-time

• Probationary period: First 3 months after joining the company. (During this period your contract conditions will be the same as that of a permanent employee.)

Office

Roppongi

• Smoking is prohibited within our offices

• Mercari has introduced a work style policy called “Your Choice.” Each member is free to choose whether they want to work in the office or work fully remote. *Exceptions made for certain kinds of work. ​