Mercari
Software Engineer - Mercari Group (Summer Internship)
Software Engineer â Mercari Group (Summer Internship)
Tags: Internship, 0~1 YOE, Business Japanese, Remote
Remote (Remote) / Roppongi, Minato City, Tokyo, Japanã»Fetched 30+ days ago
Job Description
Team: Engineering
JD in Japanese follows. è±æã®åŸã«åæJDãã芧ããã ããŸãã
Software Engineer â Mercari Group (Internship)
- 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 3 months of Internship is encouraged. Please consult with the recruiter if you prefer shorter/longer period
- Regarding the arrangement of airline tickets, this applies only to those who have not purchased tickets at the time of the internship offer.
- Office: Remote or Roppongi
- For more details, see the Overview of Our Positions section on our Careers site.ã
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?" 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. For more information about Mercari Groupâs mission, see Mercariâs Culture Doc.
Organization/Team Mission
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 (Mercariâs mission, values, and culture) from an engineering viewpoint.
These principles ultimately help us achieve Mercariâs 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:
See here for more information about our mission and values.
Work Responsibilities
- Interns will be tasked with developing features for the Mercari marketplace app in Japan, or the Merpay mobile payment service. Successful candidates will join a team of software engineers, who come from diverse backgrounds hold various expertise, and work as a member of their team.
- The specific content of your work will involve projects to improve the UX and specifications of our products and make them more friendly for Mercari, Merpay, and Mercari Shops users. Currently, Mercari is implementing various initiatives including improving the search screen to enhance the listing and purchasing experience, and therefore you will be requested to actually handle our technology and data to produce output. At Merpay, we engage not only in B2B service development but also B2C service development, and you will have the opportunity to be involved in both.
- At the end of the internship, you will report the content and actual results of your work at an event held for this purpose. You can find presentation materials produced by past interns in the following article on our owned media site, Mercan.
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. Whatâs 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.ã
Application acceptance period
- Applications will only be accepted during certain periods in Summer and Winter. It is undecided whether applications will be open outside of these periods. The internship period can be adjusted flexibly, so please consult with us at the time of the offer.
- Student residing in Japan / Japanese nationals residing abroad
- SummerïŒUntil 2025/6/15
- WinterïŒ2025/9/1 to 10/31 (tentative)
- Foreign nationals residing abroad
- SummerïŒUntil 2025/4/30
- Due to visa application circumstances, the application period is shortened.
Qualifications
- Required Experience/Skills
- Shared belief in the mission and values of Mercari Group and its various companies
- (For residents in Japan only) Those who have experience using various Mercari services
- Student of 16 years of age or older who would be able to join Mercari Group as a new graduate from July 2026 to June 2027
- 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 Mercari Group as a software engineer after the internship is over
- Basic knowledge of RDBMS and SQL
- Experience developing/operating products
- Experience in at least one of the following:
- Backend
- API development using a programming language such as Go, PHP, or Java
- Frontend
- Development using such things as JavaScript or React
- Mobile (iOS)
- Development using Swift
- Platform Engineering
- Development using Go and Kubernetes
- Site Reliability Engineering
- Development using Go, Kubernetes, and Terraform
- Corporate EngineeringïŒeither oneïŒ
- Development using Java / Go or PHP
- Experience in front-end development using web browsers, JavaScript, TypeScript, React, Next.js, Redux, etc.,
- Experience in web application development using React, or experience in infrastructure management using Kubernetes, GCP, Nginx, etc.
- Preferred Experience/Skills
- 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 Merpay, there are cases where Independent (CEFR - B2)-level Japanese is required
- In Mercari, there are cases where Independent (CEFR - B2)-level English Independent is required
For details about CEFR, see here.
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Learn More About Mercari Group
- Careers site: https://careers.mercari.com/en/
- 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 ââof 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
- Application screening
- Skill assessment: For engineering positions, you will be asked to complete a skill assessment on HackerRank or GitHub. For non-engineering positions, you may be asked to complete an assessment depending on the position. (The timing of the assessment may coincide with the interview process.)
- Interview: The number of interviews may vary depending on the position.
- Reference check: We will ask for online references around the timing of the final interview.
- Offer: Offers will be determined carefully in consideration of the final interview and the reference check.
ãLearn more about our recruiting process here.
Equal Opportunity Hiring
Here at Mercari, we work to realize a world in which no oneâs 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.
Software Engineer â Mercari/Merpay/Mercoin/Mercari Hallo (Summer Internship)
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