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Senior Frontend Developer | Social Media Platform

東京23区 派遣社員 年収 600万円 - 800万円 外資系企業 求人詳細を見る
Join a fast-paced team developing and enhancing a large-scale social media platform used by a diverse user base. This senior-level opportunity combines hands-on front-end leadership with full-stack collaboration to deliver high-quality, scalable, and engaging user experiences.
  • Own front-end architecture for a large-scale social product
  • Work across React, Next.js, TypeScript and modern microservices

企業情報

Our client is a leading technology company operating a large-scale digital platform business in Japan. The organization develops modern consumer-facing products and leverages cutting-edge web technologies, microservices architecture, and agile development practices to continuously improve user engagement and product quality.

職務内容

  • Lead the design and implementation of user-facing features using React, Next.js, and TypeScript
  • Develop and maintain modern web applications utilizing SPA, SSR, and SSG architectures
  • Build responsive, high-quality user interfaces using Tailwind CSS
  • Design and implement multilingual features with internationalization (i18n) support
  • Create intuitive and scalable interfaces, including complex forms and workflows
  • Collaborate with backend engineers on API integrations, data flow design, and technical specifications
  • Contribute to backend implementation and enhancements when required
  • Develop and maintain unit and integration tests to ensure software quality
  • Drive improvements in application performance, maintainability, security, and developer productivity
  • Participate in code reviews and contribute to engineering best practices across the team



理想の人材

  • Proven professional experience building applications with React
  • Strong experience developing with Next.js, including SSR, SSG, and App Router
  • Hands-on experience with TypeScript and type-safe front-end development
  • Experience building user interfaces with Tailwind CSS
  • Understanding of front-end performance optimization and web security fundamentals
  • Experience developing web applications with API integrations
  • Full-stack mindset with willingness and capability to contribute beyond the front end
  • Experience working within collaborative development environments using Git and code review processes
  • Business-level English communication skills, including reading, writing, and speaking
  • Daily conversational-level Japanese language ability
  • Currently residing in Japan

Preferred Qualifications:

  • Experience developing Progressive Web Applications (PWA)
  • Knowledge of front-end SEO best practices
  • CI/CD pipeline operation and test automation experience
  • Experience with Vitest or similar testing frameworks
  • Experience using TanStack Query for state management and asynchronous data handling
  • Experience with React Hook Form
  • Knowledge of IndexedDB, Dexie, or client-side data storage solutions
  • Backend development experience using Go or similar technologies
  • Experience working within microservices environments

条件・待遇

  • Long-term project with strong business impact
  • Opportunity to influence architecture and user experience decisions
  • Exposure to modern front-end and full-stack technologies
  • Collaborative international engineering environment



コンタクト
Serena Wu
求人番号
JN-082026-7091328
電話
+81 3 6627 6137

求人情報

分野
IT
職種
プログラミング＆開発
業界
IT・通信
勤務地
東京23区
雇用形態
派遣社員
担当コンサルタント
Serena Wu
担当コンサルタントの電話番号
+81 3 6627 6137
求人番号
JN-082026-7091328
企業タイプ
外資系企業

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