Front-end Engineering Internship (Onsite Tokyo, Japan)

Tokyo
No Remote
Internship
May 16, 2025

COMPANY OVERVIEW

Established in 1996, HENNGE is one of the first IT ventures in Japan. Controlling a majority of the nation’s market share, we are the leading cloud-based security company based in Tokyo. We aim to become a world-class IT company by expanding our business globally, having English as our official language, and hiring international talents worldwide. We are looking for highly talented and motivated engineers (front-end, back-end, DevOps, mobile development) to join our team in Tokyo

Front-end Engineering Internship: Job Description

Ready for a Tech Adventure in Tokyo? Join Our Internship Program – 4-5 Weeks of Software Engineering Internship Await!

Join HENNGE’s Global Internship Program (GIP): Front-End Software Engineering Pathway in Tokyo, Japan. This unique 4-5 week internship at our Shibuya headquarters offers you personal and professional growth in an internationally diverse environment.

In HENNGE’s GIP: Front-end Engineering Pathway, you will acquire practical application development skills primarily in Typescript using React or Vue. GIP will provide you with hands-on experience using state-of-the-art cloud platforms such as Amazon Web Services and offer a real-world experience for application development.

Our primary working language is English, so no Japanese is required. Interns are expected to join the program at our Shibuya headquarters in Tokyo for 4-5 weeks, Monday to Friday, from 10 AM to 7 PM (JST). While the program is unpaid, we provide comprehensive subsidies, and outstanding participants may be offered full-time employment opportunities.

If you are interested in HENNGE’s GIP: Full Stack Engineering Pathway, please check it out here.

Internship Overview

Build real-world applications using TypeScript with React or Vue.
Sharpen your skills in front-end frameworks while designing user experiences that matter.

Program Structure

Weeks 1-4: Application Development Training
Week 5: DevOps Training

Benefits

Round-trip airfares from and back to your country of residence
Pre-arrival support and visa guidance
Medical insurance* and a phone with mobile data will be provided during your internship in Tokyo, Japan**
Up to 150,000 JPY of monthly subsidy to cover accommodation, meals, transportation, and networking activities
Subsidized company events on top of monthly subsidy (Monthly Technical Sessions, Board Game Night, Get-to-know-you Lunches, and many others!) to get to know teams across divisions
Access to online learning platform during the internship period

* Medical insurance will only be provided to interns who do not reside in Japan
** This internship is an unpaid training program with a subsidy provided to all interns

Essential Qualifications

Third-year undergraduate or higher (including Master's and Doctoral students). Recent graduates are welcome to apply
Pursuing or holding a degree in Computer Science or a related field. If not, equivalent experience from a tech internship or bootcamp is expected
Fluency in English (Japanesea not required)
Proficiency in frontend frameworks such as React or Vue in Typescript
Knowledge of Linux / MacOS / Unix-like environments
Interested in open source or tech community activities
Interested in pursuing a career in Japan

At least meet three of the following:

Experience in cloud computing platforms, especially AWS
Experience in full stack web application development
Proficiency in Python or Go
Knowledge of distributed systems
Knowledge of DevOps tools and practices (CI/CD, Infrastructure as Code)
Experience in software testing methodologies
Experience with UI/UX design tools

Our Ideal Candidate

Our ideal candidate is more than just a front-end developer - they’re a curious builder with a broad technical perspective. We're especially excited about applicants who:

Have experience in back-end or full stack development
Are familiar with DevOps practices and tools like CI/CD pipelines or cloud services
Understand the value of thoughtful UI/UX design
Bring a well-rounded approach to building complete, user-focused products

Bring your range - we want to see the full picture of what you can do.

Internship schedule

We open batches multiple times a year.

Available batch (as of May 16)

Batch 5 (2025): Nov 17 - Dec 19 (24 business days)

How to apply

Register through the apply button below and verify your email address.
Solve the coding challenge and submit your work with your CV and cover letter.
A phone screening, followed by an online interview, will be given to those who pass Step 2.

Notice for Applicants

A limited number of internship slots are available. Applications will be reviewed as they are received, and positions will be filled on a first-come, first-served basis. We encourage you to apply early, as applications will close once all positions are filled.
The coding challenge has no time limit, and the screening process will not consider solving time. Please note that the application is completed after uploading application documents and filling in the batch preferences.
Please take another challenge if you are (also) interested in applying for HENNGE’s GIP: Full Stack Engineering Pathway. Please use different emails to sign up if you apply for both internships.

APPLY NOW ➜

About HENNGE

HENNGEは、「テクノロジーの解放で世の中を変えていく。」という理念のもとに、創業以来「ITコンシューマライゼーション」を意識したプロダクトを提供し続けています。

主には、クラウドサービスのセキュリティレベルを引き上げる「HENNGE One」などの自社サービスやITコンサルティングサービスを提供しています。

HENNGE One はMicrosoft 365、Google Workspace、Box、LINE WORKSなど複数のクラウドサービスへのセキュアなアクセスとシングルサインオンを実現するSaaS認証基盤です。IP制限、デバイス証明書、セキュアブラウザ、パスワードレス認証、多要素認証（MFA）など豊富な認証機能で利便性と安全性のバランスのとれたセキュリティサービスを提供します。

多要素認証を提供し、さらにコンシューマー市場で利用が拡がるクライアントベースの生体認証と連携することにより、脱パスワードの世界を作り出します。

社内公用語は英語、10国籍以上のメンバーが所属する超多国籍チームです。日本語&英語レッスンのサポートあるので、今は話せなくてもこれから日本語に挑戦したい外国人、グローバルな環境で英語力を磨いて成長したい日本人エンジニアに最適な環境です。

Salary
They offer performance based semi annual bonus, and special bonus for out-of-the-job remarkable contributions.
Japanese Language Policy
Japanese skills are a prerequisite for positions that require communication with Japanese speaking clients or third-parties. It might not be a requirement for software engineers, but it could be in other positions.
Visa Sponsorship
Do you sponsor a work visa for foreign employees?

Yes, we do, as long as you meet the requirements of the Japanese government (but this is the case at every company). This usually means that you will need a bachelor's degree or 10 years of demonstrated work experience in your field.
Paid Leave
- Yearly standard paid time off
- Short-term family care leave (5 days per year that can be used to take care of friends and family)
- Summer vacation (4 days)
- Congratulation or condolence leave (marriage, childbirth, or immediate family’s death)
Benefits
👩‍🎓 Language learning support

👨‍🏫 Advanced language expert allowance(English and Japanese)

💹 Employee stock option plan

🥤 Free Dr.Pepper program

🍔 Communication lunch program

💜 Social security/insurance benefits included

⚾️ Office clubs to join: coffee club, board game club, karaoke club, language cafe club, etc

🚃 Full commuting coverage (maximum of 180,000yen in 6 months)
Engineer Interview Process
Engineering Jobs

(1) Online coding test

(2) Online interview with the team for 3-4 rounds

(3) For new graduates: Participate in a mandatory internship program at our Tokyo office from 2-3 days up to 6-8 weeks (internship cost will be covered) For experienced engineers, you may be asked to participate in a 2-3 days/ 2 weeks trial period

(4) Interview with our board members

For more questions, please check our FAQ page for the screening process.
Remote Work
HENNGE fosters a hybrid work environment with emphasis on in-office collaboration and the encouragement for employees to work onsite.
Work style
- Standard working hours: 10:00-19:00
- Flex time: (Core time 11:00-16:00, 1 hour lunch break)
- Shortening of work hours is available for employees taking care of a child or children of a certain age.
Tech Stack
We use a large variety of technologies at HENNGE and always encourage the use of the right tool for the job. We strive to always use the latest and most up-to-date technologies. Our back-ends are primarily written in Python or Go while our front-ends usually use Vue or React. We heavily use CI/CD tools to streamline our workflows. We use microservice architectures utilizing both containerization and serverless design. Our systems are mainly deployed on AWS with the use of GCP as well. We use a huge range of services provided by these platforms to support our applications.
Diversity
We embrace diversity and we make sure that everyone is provided opportunities to do their best work.

We celebrate events like Tanabata, Hinamatsuri and Setsubun to introduce Japanese culture to our international employees.

Also, we provide a prayer/meditation room for our Muslim employees.

For company gatherings with food, such as our communication lunches we have twice a month, Halal options are always available so we can accommodate all of our employees.
Parents and Family
HENNGE allows shorter work hours for employees taking care of a child or children of a certain age. We also have a paid leave system, called short-term family care leave, which employees can use to take care of their family and friends when they are in need. We also have a family day where employees can bring their family to the company and spend time together.