Engineering Manager, Site Reliability

Tokyo, Japan · Engineering · EN/JP


▼Our Mission

Mercari is in the process of strengthening our engineering organization as part of our efforts to become a world-class tech company. In order to achieve our goal of creating an outstanding team of 1,000 engineers over the next 3 years, we are placing a heavy emphasis on hiring and training new members while also creating an environment that allows engineers to work to the best of their ability. We believe that experienced engineering managers are essential to achieve this. With a strong team of engineering managers and engineers, we aim to become a tech company that can solve society’s problems using technology and work towards Mercari’s mission of creating value in a global marketplace where anyone can buy and sell.

▼Our Values (Go Bold, All for One, Be Professional)

The path to creating a leading global marketplace is not without challenges. In order to create new and innovative solutions, all members must take advantage of their unique skill sets and have a sense of responsibility and ownership for their work. We are looking for new members to join us in achieving this goal under our three values—Go Bold, All for One, and Be Professional.



「3年で1,000人規模の優秀なエンジニアリング組織を作る」ことを目指し、エンジニアを採用・育成して仲間を増やすことと、エンジニアリングに集中できる環境を作ることを同時にGo Boldに行う必要があります。そして、これを実現するためには優秀なEngineering Managerの存在が不可欠です。

Engineering Managerとエンジニアの両輪によって、テクノロジーで人々の課題を解決できるテックカンパニーとなり、メルカリのミッションである「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」ことが我々の目指す未来です。

▼3つのバリュー(Go Bold, All for One, Be Professional)

我々は世界的なマーケットプレイスを創るために集まっています。しかし、この目標への道のりは決して平坦ではありません。まだ誰も挑戦したことのないようなイノベーションや破壊的な創造を起こすため、我々は各自がオーナーシップを持ち、専門的能力を発揮することで、メルカリというチームとして最高のプロダクトを創ります。このことを達成するために我々は3つのバリュー(Go Bold, All for One, Be Professional) という全社員が共有する行動指針のもと行動しています。

▼Job Description

We are looking for someone who can commit to the goal of maximizing the engineering team’s output.

This position in particular is a management role with the main purpose of increasing the SRE team’s output as much as possible.

The SRE (Site Reliability Engineering) team builds servers and networks for the Mercari app, automates systems, and handling outages. The team also develops and operates software to increase system performance, reliability, and scalability.

As an SRE engineering manager, you must work with the team to propose and implement measures to support team members, nurture their professional growth, and expand the team as a whole. In doing so you will ensure that the SRE team functions effectively across Mercari as a whole and contributes towards maximizing the output of the company.


Planning and promoting measures to help the SRE team members fulfill their roles

Proposing and implementing strategies to solve problems and improve our engineering organization, such as:

Maximizing engineering output and encouraging career growth through tasks such as:

▼Job Description


特に、このポジションではメルカリの SRE チームの成果の最大化に主眼を置いたマネジメント業務となります。

SRE(Site Reliability Engineering)チームは、フリマアプリ「メルカリ」を支えるサーバ・ネットワークの構築・運用、システムの自動化や障害対応などの業務に加えて、システムのパフォーマンスや信頼性、スケーラビリティを向上させるためのソフトウェアの開発・運用を行います。

このような状況にあるSREチームにおいて、Engineering Managerには、メンバーの支援・育成、チーム組織の拡大、およびこれらに付随する施策の提案・実施などを行うことで、SREチームをメルカリ全体に対して有効に機能させ、組織全体の成果を最大化することが求められます。


- SREチームの役割を達成するための様々な施策や計画の立案・推進

- エンジニアリング組織としての課題解決や成長戦略の提案と実行

- エンジニアメンバーの成果の最大化とキャリア成長の支援


▼Minimum Requirements

・Basic understanding of TCP/IP, HTTP, and other network protocols

・Programming ability sufficient to build any applications or middlewares necessary to fix bugs or improve system performance and reliability

・Ability to trace and solve technical issues (performance drops, etc.)

・Management experience

・Experience working on projects across teams

・Experience mentoring engineers

▼ Preferred

・Ability to carry out your work in English

・Experience designing system architecture

・Experience making technical decisions for a team as a tech lead

・Experience hiring engineers (screening applications, interviewing, direct recruiting, hosting events, etc.)











・Tech Leadとしてチームの技術判断をした経験


▼Our Ideal Candidate

・Capable of understanding project priorities and assigning engineers appropriately

・Possesses extensive technological expertise and desire to learn new technologies

・Capable of understanding individual engineer’s motivations and encouraging both their personal growth and that of the business

・Possesses strong communication ability to solve organizational problems




・エンジニアの WILL / CAN / MUST を適切に理解しながら、事業の成功とエンジニアの成長にコミットできる方




▼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
















・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












Engineering Manager Drink Meet-up記事

Mercari Engineering Blog


Apply for this job