Senior Front-end Engineer

Job description

About Us

HENNGE is a B2B SaaS company based in Tokyo, Japan, and we are at the forefront of the changing workplace. HENNGE One, the no.1 cloud security service 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.


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.

As a Senior Front-End Engineer, you will be at the forefront of driving innovation and excellence in our product development process. Your responsibilities will include:

  • 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


  • 3 years of web development experience, with at least 3 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)

  • Interested in open source/tech community activities


  • 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

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


  • Styled Components

  • Redux (Toolkit)

  • RxJS

  • Jest/Testing Library

  • Testcafe

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


Work style

  • Flexible working hours with core time.

  • Hybrid work environment with emphasis on in-office collaboration and the encouragement for employees to work onsite.


  • Visa sponsorship

  • Opportunities to attend international and domestic conferences

  • Financial support for technical certifications and technical learning programs

  • Language learning support (English/Japanese)

  • English allowance and Advanced language expert allowance

  • Insurance: Health, Employment, Industrial Injury, Welfare pension

  • Employee Stock Ownership Plan

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

  • Transportation allowance (maximum of 35,000yen per month)

Do you want to see more jobs?

We are working hard to bring you more Vue.js jobs. Get access to a larger database of hundreds of Vue.js jobs.

Flag of Japan Tokyo, Japan
Work permit
Flag of JapanJapan
Work type
Work level
Date posted
16 days ago

Get Job Alerts

Subscribe to get the latest Vue.js jobs

Your name
Enter your e-mail
Get Vue.js jobs right to your inbox
Your name
Enter your e-mail