フロントエンドエンジニア/Frontend Engineer(Mantra Engine) at Mantra | Tokyo | Rezi

フロントエンドエンジニア/Frontend Engineer(Mantra Engine) at Mantra

フロントエンドエンジニア/Frontend Engineer(Mantra Engine)

Mantra · Tokyo

2 weeks ago

フロントエンドエンジニア/Frontend Engineer(Mantra Engine)

Mantra · Tokyo

21 days ago
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About the Role

Mantra is a global AI startup aiming to eliminate language barriers in entertainment, allowing people worldwide to enjoy and discuss manga, anime, and games in real-time. We are seeking individuals passionate about connecting the world through entertainment and fostering mutual understanding.

Responsibilities

  • Own the frontend implementation for key Mantra Engine B2B workflows using Vue 3 + TypeScript.
  • Design and evolve maintainable UI architecture, including component boundaries, state/data flow, and routing.
  • Build reusable UI components and patterns to enhance delivery speed and consistency.
  • Collaborate with the backend (Django) team on API contracts and integration, covering aspects like error handling and pagination.
  • Partner with business and product stakeholders to translate user needs into clear specifications and high-quality user experiences.
  • Improve frontend quality, focusing on performance, accessibility, reliability, and developer experience.

Requirements

  • Extensive experience building production web applications with modern JavaScript/TypeScript and component-based frameworks like Vue or React.
  • Proven ability to design and evolve frontend architecture, including state management, routing, component boundaries, and API integration patterns.
  • Experience enhancing UX quality through performance optimization, accessibility improvements, effective error handling, and maintainability.
  • Experience collaborating cross-functionally to define specifications and deliver iteratively.
  • Sufficient English proficiency for basic communication with non-Japanese speakers; fluency is not a priority.

Skills

  • Vue 3
  • TypeScript
  • JavaScript
  • Vue
  • React
  • Django
  • Python
  • AWS
  • Scrum

Location

  • Tokyo, Japan
  • Remote

Work Type

  • Contract (3 months+)
  • Full-time
  • Part-time
  • Remote

Experience Level

  • Engineering Manager
  • Tech Lead

Salary/Compensations

  • ¥6,000,000 - ¥10,000,000

Benefits

  • Flexible working hours
  • Telework system available
  • Welcome to work part-time/side job during contract period

About the Company

  • Mantra Corporation aims to eliminate language barriers in entertainment by delivering manga in global languages, challenging the concept of language limitations through AI.
  • We envision a future where everyone can enjoy and discuss the latest manga, anime, and games simultaneously, fostering mutual understanding and respect across cultures.
  • Our work involves AI research, manga translation, and language learning service development.
  • We are building a future where users can share their favorite manga with fans worldwide in real-time.
  • The process of delivering creators' work quickly and emotionally through technology is filled with intellectual challenges.
  • We are looking for individuals who want to transform their skills into bridges connecting the world and contribute to a better society through the power of entertainment.