• Full-time

Publication date: 2025.04.17

社名非公開

【No Japanese required】Frontend Developer (13249)

  • System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
  • Tokyo
  • Salary 4M~5M
【No Japanese required】Frontend Developer (13249)
職種Position System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
会社概要Company profile [Company Overview]
Founded in 2015 and headquartered in Tokyo, this is a lifestyle infrastructure service company for foreign visitors and residents in Japan.
The hiring company is a very dynamic company that was listed on the Tokyo Stock Exchange Growth Market in 2023.

The main business activities are as follows.
・Wi-Fi business
・Camper van business
・Life media tech business
・Media business
・Chat concierge business
・Consulting business, etc.
仕事内容Job description The hiring company is looking for a Frontend Developer to take ownership of building high-performance, scalable, and maintainable frontend applications. You will play a critical role in shaping the user experience and frontend architecture, ensuring seamless interactions for their customers.

Key Responsibilities
● Lead technology selection and architectural decisions to support a fast-growing product and organization.
● Build and maintain sustainable, scalable frontend applications.
● Define technical strategies that align with business goals and provide leadership to the development team.
● Drive the rapid iteration and validation of product features through data-driven decision-making.
● Architect the frontend system and design reusable UI components.
● Collaborate closely with designers to enhance UI/UX.
● Evaluate and select frontend frameworks, libraries, and middleware.

【Tech Stack】
Frontend: TypeScript, React, Next.js Backend: PHP, Laravel, TypeScript, Node.js (Express, Fastify, NestJS)
Infrastructure: AWS
DevOps & Monitoring: GitHub, GitHub Actions, Datadog, MixPanel, Sentry
API Development: GraphQL, REST
Authentication: AWS Cognito
Other Tools: GitHub Copilot, Figma, Storybook
Communication & Collaboration: Slack, JIRA, Miro, Confluence

Why Join Them?
● Opportunity to design and build engaging user experiences that solve real-world problems.
● Work alongside a passionate, highly skilled team tackling complex challenges.
● Be at the forefront of frontend development, working with cutting-edge technologies
応募資格Requirement Required
● 3+ years of hands-on experience in frontend development for web applications.
● Strong proficiency in TypeScript and modern frontend frameworks (React, Next.js).
● Experience designing and implementing reusable UI components.
● Proven ability to make technical decisions on architecture, technology selection, and frontend service design.
● Business level English or Japanese

Preferred
● Experience developing and operating large-scale frontend applications.
● Solid understanding of modern web development practices.
● Ability to create responsive and accessible UIs.
● Familiarity with state management solutions (e.g., Redux, Zustand).
● Experience with API integration, particularly with REST and GraphQL.
● Ability to write clean, maintainable, and scalable code.
● Understanding of performance optimization and browser compatibility.
● Ability to conduct user research and validate UX hypotheses.
● Knowledge of backend technologies like Node.js.
● Experience building or using Backend for Frontend (BFF) architectures with GraphQL/Apollo.
● Strong understanding of SSR, CSR, SSG, AMP, PWA and frontend performance optimization.
● Familiarity with design systems, testing, and software architecture principles (OOP, FP, DDD, Clean Architecture).
● Conversational Japanese proficiency (JLPT N2 or above is a plus).
日本語力Japanese level None
雇用形態Employment type Full-time
勤務エリアLocation Tokyo
勤務時間Working hours 10:00〜19:00 (break 1hour)
想定年収Salary 4M~5M
条件・待遇Condition Employment Type: Permanent
Trial period: 6 months
Work location: Tokyo
Holidays: 2 days a week (Saturdays and Sundays), national holidays
Vacation: year-end and New Year holidays
Benefits: Complete social insurance, commuting allowance (according to company regulations), and other benefits
選考についてProcess Number of applicants: 1
Documents required for application: Japanese or English CVs
Online interview: 1st interview only (final interview will be face-to-face)
Interview language: Japanese or English
Number of interviews (flow): Document screening -> Technical test -> 1st interview -> final interview
* May change depending on the situation of the candidate
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