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Software Engineer (Frontend/ Vue) - HENNGE Email DLP

Alion · Equity, OH · Yesterday
EngineeringFull-time

About HENNGE

Join us at HENNGE, a Tokyo-based cloud-security leader helping organizations adopt flexible work environments and safely leverage the cloud. As a B2B SaaS company, we build secure and reliable cloud solutions that help enterprises manage access and identity efficiently.

What We Offer

  • Flexible working hours with a designated core time (11:00-16:00)
  • Annual salary range: JPY 8 to 10.5 million (includes English Allowance and Physical Communication Bonus)
  • English Allowance and Advanced Language Expert Allowance: JPY 10,000 ~ JPY 130,000 per month
  • Physical Communication Bonus: JPY 4,000 per day for coming to the office and interacting with other employees
  • Transportation allowance (maximum of JPY 35,000 per month)
  • Employee Stock Ownership Plan
  • Insurance: Health, Employment, Industrial Injury, Welfare pension
  • Opportunities to attend international and domestic conferences
  • Financial support for technical certifications and technical learning programs

Work Style & Employment Details

Work Style: Flexible working hours with a designated core time (11:00-16:00), allowing you to organize your day effectively. Employees typically work 8 hours per day with a 1-hour break.

Employment Type: Permanent employee.

Place of Work: Tokyo, Japan - Shibuya Headquarters.

Why Work at HENNGE?

  • We celebrate diversity with a team from over 20 countries united by a love for technology and Japanese culture.
  • We offer a dynamic, non-traditional work environment in one of the world's most exciting cities.
  • We provide comprehensive support such as flight tickets, visa sponsorship, and Japanese lessons to ensure a smooth onboarding process for new hires.
  • We value work-life balance and offer lots of fun activities at our office, including social channels, board game nights, snowboarding club, internal and seasonal events, monthly tech sessions with beer bashes, attendance of international tech conferences, and more.
  • We have a flexible working hours system (with core working hours) to accommodate your preferred working style.
  • We have a passionate CEO with an engineering background who actively supports teams in doing their best work.
  • We work in autonomous teams where your decisions shape our services, influencing every aspect of our products, from UX and architecture to development and deployment, in an agile and collaborative setting.

Job Description

We are looking for a Frontend Engineer (Vue) to take ownership of frontend development for HENNGE One, our flagship cloud-security suite serving over 2.8 million users globally. As a B2B SaaS leader in Japan, we provide mission-critical security solutions that empower enterprises to work safely from anywhere.

In this role, you will join the Email DLP (Data Loss Prevention) Team, responsible for the development of HENNGE One, DLP Edition. You will be developing our frontend web applications and their supporting tooling and infrastructure.

Your mission is to maintain a large enterprise codebase while taking ownership of end-to-end feature development lifecycles. To succeed in this role, you will need strong frontend engineering fundamentals, as well as a transparent communication style, a passion for knowledge sharing, and a genuine comfort with pair programming, co-authorship, and collective code ownership.

Tech Stack

  • TypeScript
  • Vue 3
  • Pinia
  • Vite
  • Vitest with Testing Library
  • Playwright
  • Zod

Minimum Qualifications

  • At least 3 years of experience working with Typescript in a production project in a full-time position, and the ability to write Vue 3 + Composition API.
  • Solid grasp of CS fundamentals, design patterns, and frontend-specific concepts like reactivity, state management, and network requests.
  • Familiarity with standard engineering and frontend tooling (e.g., Git, Docker, browser dev tools, Typescript compiler, linters, formatters, bundlers, and dev servers).
  • Ability to write high-quality type-safe, robustly tested Typescript, leveraging utility types and runtime schema validation.
  • Ability to communicate effectively, share knowledge, and work collaboratively through pair programming, co-authorship, and collective code ownership.
  • Understanding of how to use AI responsibly and pragmatically, without overreliance.
  • Fluency in English (Japanese is not required), equivalent to CEFR B2 level or above (e.g., TOEIC 785+).

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