Internal Systems Developer

Tokyo, Japan · Operations · EN/JP


At Mercari, our mission is to create value in a global marketplace where anyone can buy & sell, and we pride ourselves in taking on a challenge. We are looking for new members to join us in achieving this goal under our values - Go Bold, All for One, and Be Professional.

株式会社メルカリでは「新たな価値を生みだす世界的なマーケットプレイスを創る」というミッションを掲げ、あらゆる挑戦をしています。「Go Bold - 大胆にやろう」「All for One - 全ては成功のために」「Be Professional - プロフェッショナルであれ」という3つのバリューのもと、ミッション達成を共に目指していける仲間を募集しています。

▼Job Description

・Responsible for system environment construction and related projects for office relocation

・Responsible for constructing a secure system and office environment

・Responsible for setting up PCs for new employees and other equipment installation

・Other general office facility-related device management/installation







▼Minimum Requirements

・Possess the knowledge and ability to plan and implement the following for an office of between 300~1000 people

・General IT setup, implementation, operation, and management (tools, infrastructure, applications, etc.)

・Decision making for mid- to long-term projects

・Vendor negotiations

▼Additional Qualifications

・Experience as an internal systems developer

・Experience in system planning, development, and installation for an IT consulting firm

・Experience working for a venture company during the growth stage

・Experience in setting up networks across borders (Japan to US, UK, etc.)

▼Our Ideal Candidate

・Able to work with meticulous attention to detail

・Able to plan and execute new ideas proactively

・Energetic, positive, and work well with others

・Quick to learn and ambitious

・Able to handle a wide range of responsibilities and enjoy fast-paced growth of the company

















▼Contract Type


 Probationary Period: 3 months (salary same as above)



▼Work Hours

・Fixed working hours 10:00-19:00

 Flex time (core hours 12:00-16:00, 60 minute lunch)


・Annual salary, paid monthly

・Based on your experience, skills and potential

・Reviewed twice a year


・5-day work week (Sat/Sun off)

・National holidays, paid time off, summer/New Year's vacation, congratulatory leave, compassionate leave








 フレックスタイム制度あり(コアタイム:12:00~16:00 [休憩60分] )









・Health insurance

・Incentive program

・Employee stock ownership plan

・Full transportation coverage

・Custom PC

・Dual screen if needed

・Company smartphone

・Visa support

・New Employee Benefits at Mercari「mercibox












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