Senior Front-end Engineer (Vue)

  • Tokyo
  • Partial Remote
  • Full-time
  • October 20, 2023
6,500,000 - 12,000,000 JPY /yr
Apply from Anywhere 👍
Relocation to Japan 👍
(Overseas visa sponsorship supported)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Mid-level or above


HENNGE is a leading cloud-based security provider in Japan, delivering an additional security layer to companies that move their operations to the cloud. Our service HENNGE One has over 70% market share for cloud security services targeting Microsoft 365/Google Workspace in Japan. We are growing fast and are a listed company on the Tokyo Stock Exchange.

As part of the engineering team, you will be responsible for building cloud-security solutions used by thousands of enterprise companies. Our flagship product, HENNGE One, provides functionalities ranging from access control, email filtering, online storage, and email archiving. We focus on implementing state-of-the-art security functionalities, ensuring SLA 99.9% in distributed fault-tolerant deployment, and providing the best user experience to our customers.

We’re currently looking for a senior front-end engineer to join our fast-paced growing team.



  • Design, develop, and maintain innovative features based on business needs
  • Bring our design system to life by implementing high-fidelity UI using a modern frontend framework
  • Ensure high-quality deliverables through CI/CD pipelines, tests, and documentation
  • Collaborate with Design, Product Management and Customer Success teams to continuously improve the product
  • Support the team by actively participating in discussions and review others’ code
  • Improve team synergy and mentor junior engineers


Our Tech Stack

Each product team is free to choose its own tech stack. Each project uses Typescript as the base language, with a combination of these technologies:


  • Composition API
  • SCSS
  • Vuex
  • Vue CLI
  • Jest

For more information, you can also check our Stackshare page out.



Minimum Qualifications

  • 3 years of web development experience, with at least two years in Vue
  • Ability to write proper type-safe code with Typescript
  • Ability to mentor junior engineers and work collaboratively in a team environment
  • Ability to write robust tests along with your code
  • Understand the importance of clean code and software documentation
  • Business-level English (Japanese is NOT required)
  • Last but not least, fits with open source and hacker culture Nice to have
  • Degree in Computer Science or other related technical fields
  • Experience with state management in a complex web app (e.g. Redux, Vuex)
  • Familiarity with design collaboration tools like Figma
  • Knowledge setting up build and test environments, CI/CD pipelines
  • Knowledge of Unix-like environment
  • Team leadership experience
  • Vue: experience with Composition API, SCSS



  • Flexible working hours
  • Hybrid workstyle
  • Insurance: Health, Employment, Industrial Injury, Welfare pension
  • Employee Stock Ownership Plan
  • Opportunities to attend international and domestic conferences
  • Financial support for technical certifications and technical learning programs


Reasons why you will enjoy working at HENNGE

1. HENNGE offers a diverse development team with people from over 10 different countries who love both technology and Japanese culture. Located in the heart of metropolitan Tokyo, HENNGE offers a non-traditional Japanese experience working in Shibuya, one of the busiest and most exciting places in the world.

2. Work-life balance is highly valued at HENNGE, and lots of fun happens at our office! Weekly board game nights, seasonal in-house events, monthly technical sessions, attendance of international tech conferences, new business contests, and many more.

3. Having our CEO acting as the CTO, we are driven to continuously explore and develop the latest technologies.


Selection Process

1. Solve our coding challenge. (Click on "APPLY NOW")

You will be receiving an email with guidance from us upon your submission.

2. Upload your CV and Cover Letter

3. Casual interview with our HR

4. 2 (or 3) interviews with our engineers

5. Interview with our CEO

* There's NO need to upload the Resume/CV and Cover letter. You will be asked to upload it later after solving the challenge.

In a world of change, one thing has stayed constant since our founding in 1996 - HENNGE harnesses the power of transformative technology to make it accessible and secure for all. It’s a simple story, but one that drives us forward even to this day.

Who are we?

HENNGE is a B2B company based in Tokyo, Japan, and we are at the forefront of the changing workplace. Everyday HENNGE One, one of the top cloud security services in Japan, allows customers to adopt flexible work environments and safely harness the power of the cloud from any location. With cloud security ensured, employees are free to focus on working smarter, improving quality, and achieving business results.

What is our vision?

Our industry is forever evolving, and it is HENNGE’s mission to allow our customers to effortlessly stay updated with the latest technologies. By delivering solutions that provide customers with access to cutting-edge software and tech products, we enable them to do more and reach higher than ever before. Together with our customers, we strive to inspire change in the world through the liberation of technology.

Tech teams at HENNGE

Engineers at HENNGE love to explore new technologies. Working in tight-knit, autonomous teams, we enjoy bringing our hallmark - liberation of technology - to clients. The use of agile methodologies enables each of us to take an active part in directing the future of our products. UX, architecture, development, and deployment - all aspects benefit from the HENNGE work style.

5 reasons why you will enjoy working at HENNGE

  • HENNGE offers a diverse development team with people from over 10 different countries who love both technology and Japanese culture.
  • HENNGE comprehensively supports your relocation and onboarding to Japan - from your visa all the way to private Japanese lessons.
  • Work-life balance is highly valued at HENNGE, and lots of fun happens at our office! Weekly board game nights, Monthly Technical Sessions, 90 plus fun slack channels, various seasonal events, sponsorship to attend international tech conferences, business innovation programs, and many more!
  • Our CEO is our CTO and the Director of our product development teams. He is keen on the latest technology and ensures we’re always on the bleeding edge.
  • Working in tight-knit autonomous teams will allow you to make influential decisions that will evolve our services further, and steer the future of all aspects of our products - from UX and architecture to development and deployment.
View HENNGE's company page

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Senior Front-end Engineer (Vue) at HENNGE