現在の求人情報株式会社メルカリ
2026.10.06 更新
Class of 2028, 28卒対象 / Software Engineer Internship – Mercari Group
インターネット
最低勤務時間
週20時間
給与
応相談
出典
以下の
募集条件は
業務内容
国内に
具体的な
最終的には、
インターン生が
Class of 2028, 28卒対象 / Software Engineer Internship - Mercari Group
Mercari is far from a "finished product." It is precisely because we are a work in progress that there is so much room for transformation. We are looking for future leaders—those who will start on the front lines, eventually shape our strategy, and drive both our product and organization forward. Come build the future of Mercari with us.
募集要項概要
募集対象: 2027年10月、
雇用形態:インターン
インターンシップは
海外に
航空券の
勤務日数:週20時間以上の
勤務地:日本
応募締切: 2026年10月31日 23:59まで
組織・チームの ミッション
単なる
ユニークな チャレンジ
実際に
失敗を
応募要件
将来的に
やりたい
変化を
メルカリグループおよび各カンパニーの
インターン後、
16歳以上の
他社で
5つの
高い
人を
尽きない
環境を
AIとの
求める 経験・スキル
(国内在住者のみ)
プロダクト開発・運用を
RDBMS、
最新の
以下の
Backend:Go, PHP, Javaなど
Frontend:JavaScript, Reactなどを
Mobile (iOS or Android):Swift or Kotlinを
Platform Engineering:Go, Kubernetesを
Site Reliability Engineering:Go, Kubernetes, Terraformを
Data Engineer:Python, SQLなどを
Security Engineer:Go, Python, PHP, JavaScriptなど、
歓迎する 経験・スキル
ビジネスや
インターンや
プロジェクトマネジメントまたは
パフォーマンスと
オブジェクト指向ソフトウェア開発、
ユニットテスト、
ネットワーク、
Microservicesアーキテクチャでの
クラウドに
UI開発に
OSSプロジェクトへの
Git / GitHubもしくは
語学力
日本語または
Mercariに
Merpay, Mercoinに
※ CEFRの
選考に ついて
メルカリグループでは
選考の 流れ
応募から
書類選考
技術課題
エンジニアポジションでは
面接
ポジションに
インターン先カンパニーと
オファー:最終選考と
※詳しくは
Target Applicants
Target Applicants: Those who can join as new graduates in October 2027 or April 2028 .
Employment Status: Intern - Please apply only if you are able to stay in Japan, as the internship must be from within Japan. For those who live overseas, we will provide Visa support and accommodation arrangements.
Work Hours: Able to work more than 20 hours per week. A 2-3 months of Internship is encouraged. Please consult with the recruiter if you prefer shorter/longer period
Airline ticket arrangements will be provided only to candidates who have not yet purchased their tickets at the time the internship offer is made.
Office: in Japan (Remote or Roppongi)
Application Deadline: October 31, 2026, 23:59 (JST)
About Mercari
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?
Organization/Team Mission
This internship offers the opportunity to work on experience design from a management perspective—not just engineering—and to grow into a leader who will drive the future of the Mercari Group. For students aspiring to become product leaders, it provides the chance to take on challenges that contribute to both business growth and solving social issues.
Mercari Engineering Principles
Mercari Engineering Principles are a shared understanding that serves as the foundation of engineering beliefs and behavior at Mercari. The Engineering Principles are designed to complement the organizational identity (Mercari’s mission, values, and culture) from an engineering viewpoint.
These principles ultimately help us achieve Mercari’s mission by defining the ideal state we seek to realize in the long term.
Passion For The Product
Grow Together
Solve Through Mechanisms
Collaborate Openly
For more details, please see the following link: Engineering Culture
Work Responsibilities
You will be challenged with developing features for the flea market app "Mercari," the smartphone payment service "Merpay," and the cryptocurrency/blockchain service "Mercoin" within Japan. You will join a team of software engineers with diverse backgrounds and expertise and take on responsibilities as a team member.
Regarding specific tasks, you will be involved in projects aimed at improving the user experience (UX) and specifications from the customer's perspective for Mercari, Merpay, and Mercoin. Currently, Mercari is implementing various initiatives, such as improving the search interface and measures related to listing and purchasing. You will engage with the technology and data firsthand and produce tangible outputs.
Ultimately, you will present your work and actual results at a final report meeting.
Unique Challenges
During this internship, you will work to develop actual features integrated into the app and to improve the operation of the app. We hope that, by working in the same environment as our full-time members, interns will not only acquire new skills and immerse themselves in the company culture but also use the internship as an opportunity for self-reflection.
At Mercari Group, you will be able to take on bold challenges without any fear of failure. What’s more, you will be able to flexibly choose the latest and optimal technologies, and because we foster an environment and culture that supports independent decision-making, the experience will offer an opportunity for both personal and professional growth.
Qualifications
Those who are interested in management and building an engineering organization and culture as a leader candidate (CTO, VPoE, etc.) who will lead the Mercari Group organization in the future.
Those who can express what they want to do through their output and co-create with teams and organizations.
Those who enjoy change and can boldly take on challenges even in unfamiliar areas or difficult situations.
Shared belief in the mission and values of Mercari Group and its various companies
Students aged 16 or older who are expected to join the Mercari Group as new graduates in October 2027 or April 2028.
If you have work experience as a full-time employee at another company and that experience is within the last three years, you can participate as a second new graduate. Second new graduates should include their work history in their resume.
Interest in joining the Mercari Group as a software engineer after completing the internship
Possessing one of the following 5 "BOLD" characteristics:
Visionary mindset with a strong drive to execute : Those who can continue to challenge transformation against fundamental issues.
Ability to inspire and mobilize others : Those who can attract others and form teams themselves.
Insatiable intellectual curiosity: Those who can learn and continue to evolve on their own.
Grit regardless of the environment: Those who can get their hands dirty and commit to results even in adversity.
Co-creation with AI: Those who can maximize output using technology as a weapon.
Required Experience / Skills
(For residents in Japan only) Those who have experience using various Mercari services
Experience in delivering results through projects utilizing the latest AI technologies and tools
Basic knowledge of RDBMS and SQL
Experience developing/operating products
Practical or research-level development experience in at least one of the following:
Backend: API development experience using languages such as Go, PHP, or Java.
Frontend: Development experience using JavaScript, React, etc.
Mobile (iOS or Android): Development experience using Swift or Kotlin .
Platform Engineering: Development experience using Go and Kubernetes.
Site Reliability Engineering: Development experience using Go, Kubernetes, and Terraform.
Data Engineer: Experience in data aggregation, analysis, or visualization using Python, SQL, etc.
Security Engineer: Development experience using programming languages such as Go, Python, PHP, or JavaScript.
Preferred Experience / Skills
An interest in leading businesses and organizations, with a desire for a future management career.
Experience producing tangible results in a business setting, such as through internships or entrepreneurship.
Experience with project management and/or team leadership
Ability to design and develop with performance and scalability in mind
Knowledge of object-oriented software development, networking, and memory management.
Knowledge in software test including unit testing, functional testing, and e2e testing
Knowledge of and experience with networks, Linux servers, surveillance systems, logging, and system operation
Experience with development and operation in a microservices architecture
Cloud development experience (preferably Google Cloud or AWS)
Understanding of UI development
OSS contribution experience / familiarity with OSS community
Experience with team development using Git or similar management systems
Language
English or Japanese: Independent (CEFR - B2)
In Mercari, there are cases where Independent (CEFR - B2)-level English Independent is required
In Merpay, Mercoin there are cases where Independent (CEFR - B2)-level Japanese is required
For details about CEFR, see here .
Learn More About Mercari Group
Careers site: https://careers.mercari.com/en/new-graduates/
Mercan: https://mercan.mercari.com/en/
Social media: X / Linkedin
Recruiting at Mercari
At Mercari Group, we value empathizing with and embodying the mission and values of the Group and each company. To promote the creation of an organization that maximizes the total amount of value exhibited by all members, we would like to understand the experience and skills of each candidate as accurately as possible.
Recruiting cycle at Mercari Group
It takes approximately 1.5 months from application to offer.
Document Screening
Technical Assessment
For engineering positions, you will be asked to complete a skill assessment on HackerRank or GitHub. (The timing may vary relative to the interviews.)
Interviews (2 rounds)
The number of interviews may vary depending on the position.
For those who select "Mercari" as your internship company, there is a possibility of an English interview as there are teams that work in English.
Offer
Determined based on the final interview and reference checks.
Learn more about our recruiting process here.
Learn more about our recruiting process here .
Tips for Preparing Your Application Materials
There is no required format for the documents you submit. Additionally, your resume and work experience summary do not need to be submitted as separate documents.
There are no mandatory items that must be included in your application materials. However, we recommend providing a concise summary of your background and experience, along with details such as:
The businesses, projects, or initiatives you have been involved in
Your specific role and responsibilities
The outcomes, impact, or achievements you delivered
Your goals, aspirations, and vision for what you hope to accomplish at Mercari
Including this information helps us better understand your experience and assess how well your background and ambitions align with the qualities we are looking for.
Equal Opportunity Hiring
Here at Mercari, we work to realize a world in which no one’s potential is limited by their background and everyone has the opportunity to freely create value. We also firmly believe that a mindset of Inclusion & Diversity is essential for us to achieve our mission.
This, of course, extends to our hiring practices as well. Mercari is committed to eliminating discrimination based on age, gender, sexual orientation, race, religion, physical disability, and other such factors so that anyone who shares our mission and values can join us, regardless of their background. For more details, please read our I&D statement .
Please read and acknowledge our Privacy Policy prior to submitting your application.
メルカリグループに ついて あらゆる 価値を 循環させ、 あらゆる 人の 可能性を 広げる
「地球資源が
テクノロジーの
メルカリグループに ついて 知る
キャリアサイト https://careers.mercari.com/
メルカン: https://careers.mercari.com/mercan/tags/new-graduates/page/1/
メルカリ新卒採用note: https://note.com/mercari_newgrads
SNS: X / Linkedin
応募書類作成の ポイント
提出書類の
書類に
これまでの
携わった
その
創出した
メルカリで
選考に おける 機会の 平等
メルカリでは、
採用活動に
詳しくは、
な
Class of 2028, 28卒対象 / Software Engineer Internship - Mercari Group
メルカリは
Mercari Engineering Principles
Mercari Engineering Principles は、
Passion For The Product
Grow Together
Solve Through Mechanisms
Collaborate Openly
詳細に
勤務地
- 東京都港区六本木6-10-1







