20 Internship Leads in Japan to Explore in 2026

20 Internships in Japan to Explore in 2026 🇯🇵

Your next big career move in Japan might start with one application.

Looking for an internship in Japan but don't know where to start?

Whether you're interested in artificial intelligence, software engineering, business, marketing, or research, Japan offers opportunities to gain practical experience and connect with international companies.

We've brought together 20 internship listings and programs from companies including Sony, Mercari, Apple, HENNGE, Bain & Company, and more.

Some opportunities offer an English-speaking work environment, while others require Japanese proficiency or advanced research experience.

Updated: October 2026

Important: This is a curated list of internship leads, not 20 confirmed vacancies currently accepting applications. Some links lead to company career portals, and application deadlines or eligibility may have changed. Always verify the official listing before applying.

💻 AI, Software Engineering & Technology Internships

1. Sony — AI Application Engineer Intern

Location: Tokyo, Japan

Work on generative AI, Python development, and image/video technologies. Most relevant to candidates with advanced AI research experience.

Apply: https://www.peerportal.app/explore/job/a5907b05-f4bb-4e84-99ff-a9eb7617cdc1

2. Sony — Generative & Protective AI Research Intern

Location: Tokyo option

Explore generative AI, deep learning, and technologies for responsible content creation. Particularly suitable for postgraduate AI researchers.

Apply: https://www.peerportal.app/explore/job/525027c8-1f0e-4f32-85c7-623e9e7a5ff9

3. Sony — Audio-Visual AI Research Intern

Location: Tokyo, Japan

Research computer vision, multimedia AI, and deep learning applications for entertainment.

Apply: https://www.peerportal.app/explore/job/6e443671-a1f8-4fe7-bb77-78b33ff2937a

4. Sony — Deep Generative Modeling Research Intern

Location: Tokyo, Japan

Develop research skills in generative models, AI systems, and advanced machine learning in an English-speaking research environment.

Apply: https://www.peerportal.app/explore/job/64c386ff-e50c-48fc-b57b-a20fa67d925a

5. Sony — Speech & Audio Research Engineer Intern

Location: Osaki, Tokyo

Explore speech processing, machine learning, and audio technology using programming skills such as Python or C++.

Apply: https://www.peerportal.app/explore/job/eabab97c-abda-4660-ab6f-250c5a3cd7a0

6. HENNGE — Full-Stack Engineering Internship Location: Tokyo, Japan

A practical opportunity for aspiring software developers interested in frontend and backend engineering, team collaboration, and real-world products.

Program: https://careers.augustana.edu/jobs/hennge-global-internship-program-gip-full-stack-pathway/

7. Apple — Information Systems & Technology Internship

Location: Tokyo, Japan

Explore Apple career opportunities involving software, enterprise technology, and information systems. Internship availability must be checked on the careers page.

Careers: https://jobs.apple.com/ja-jp/search?location=tokyo-to-state671

📊 Business, Consulting & Marketing Internships

8. Mercari — Research Scientist Intern (ELSI)

Location: Tokyo, Japan | Hybrid

Explore the ethical, legal, and social implications of emerging technology.

Designed for candidates with relevant postgraduate-level social sciences or humanities backgrounds and Japanese/English proficiency.

Apply: https://www.peerportal.app/explore/job/e845136a-bda2-40a5-9cab-db6a2f7970bf

9. Explera DMC — Business & Marketing Internship

Location: Tokyo, Japan

Gain exposure to tourism operations, business development, international markets, and marketing activities.

Apply: https://career.expleradmc.com/jobs/local-internship-tokyo-jpli26

10. Metropolis Japan — Social Media Internship

Location: Tokyo, Japan

Explore digital marketing, content creation, social media management, and audience engagement.

Apply: https://metropolisjapan.com/jobs/social-media-intern/

11. Bain & Company Japan — Consulting Internship

Location: Tokyo, Japan

Explore management consulting opportunities involving strategy, analytical thinking, business problem-solving, and client research.

Listings: https://accj.squarespace.com/internship-portal

12. Apple — Apple Pay Business Development Internship

Location: Tokyo, Japan

Relevant to candidates interested in digital payments, business partnerships, financial technology, and market development. Check Apple Careers for current positions.

Careers: https://jobs.apple.com/ja-jp/search?location=tokyo-to-state671

13. ACCJ — Communications & Marketing Internship

Location: Tokyo, Japan

Build experience in corporate communications, community engagement, event coordination, and marketing.

Applications: https://www.accj.or.jp/internship-applications

14. Edelman Japan — Communications Internship

Location: Tokyo, Japan

Explore public relations, corporate communications, brand strategy, and professional client projects.

Listings: https://accj.squarespace.com/internship-portal

🎨 Creative, Digital & Operations Internships

15. Artyz — Short-Form Video Production Internship

Location: Tokyo, Japan

Relevant to aspiring content creators, video editors, and digital marketing professionals interested in social-first creative production.

Company contact: https://artyz.co.jp/en/contact

16. ACCJ — Website Development Internship

Location: Tokyo, Japan

Explore website management, digital content, and web development experience in an international business organization.

Applications: https://www.accj.or.jp/internship-applications

17. Nippon Becton Dickinson — Corporate Internship

Location: Tokyo, Japan

Explore corporate internship opportunities in the medical technology sector, including business and operational functions.

Listings: https://accj.squarespace.com/internship-portal

18. Cezars Kitchen — Business Operations Internship

Location: Nagoya, Japan

Gain exposure to business administration, research, hospitality operations, and cross-cultural workplace communication.

Careers: https://www.cezarskitchen.com/contact/careers/

🌏 International Development & Global Programs

19. United Nations University — Junior Fellows Internship

Location: Tokyo, Japan

Explore international development, policy research, administration, and the work of a globally focused academic institution.

Particularly relevant to graduate students interested in international affairs.

Program details: https://www.opportunitiesforafricans.com/united-nations-university-junior-fellows-internship-programme-2027/

20. Global South Japan Tech Talent Internship Program

Location: Japan

Explore opportunities connecting international technology talent with Japanese companies and professional experience.

Official website: https://gs-jti.go.jp/foreign-talent/

How to Get an Internship in Japan

Finding internship opportunities is only the first step. Getting shortlisted requires preparation.

1. Build a strong CV

Highlight your technical skills, academic achievements, relevant projects, and measurable outcomes. Customize your application for the company and position.

2. Check language requirements

Not every internship in Japan requires fluent Japanese. Some international and research teams operate in English, while other positions require business-level Japanese.

3. Build a portfolio

For AI and software positions, showcase technical projects and GitHub work. For marketing and business roles, include campaigns, case studies, research, or practical achievements.

4. Research the employer

Understand the company's products, customers, industry, and why you're interested in its work.

5. Apply early and track everything

Confirm the application deadline, prepare supporting documents, and track your progress so you don't miss important updates.

Find Your Career Fit with PeerPortal

Stop applying blindly. Start discovering opportunities that match your potential.

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Discover relevant opportunities, improve your resume, prepare for interviews, and manage your applications in one place.

Your next opportunity could be closer than you think.

Explore opportunities: https://peerportal.app

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