Senior Frontend Engineer at JOIN developing robust React features in a hybrid work environment. Collaborating across teams to enhance user experience for the recruitment platform.
About the role
- Frontend Software Engineer at Mercoin developing web applications related to cryptocurrency services in Japan. Working on both BtoB and BtoC web application projects.
Responsibilities
- メルコインのGrowth開発および機能改善
- 加盟店向けのダッシュボード・申し込みフォーム開発
- 加盟店サポート向けツール開発
- カスタマーサポート向けツール開発
- メルカリWebなどのBtoCサービス開発
- 開発言語：HTML, CSS, JavaScript, TypeScript, React, Next.js
- インフラ：Google Cloud Platform (Compute Engine, Kubernetes Engine, App Engine)
- 構成管理ツール：Terraform
- その他：Circle CI, GitHub, Slack, JIRA, Crowi, Spinnaker
Requirements
- 大規模プロジェクトのコードベース開発や運用、テクノロジーの選定、継続的な改善を行った経験
- JavaScript、TypeScript、React.js、Next.js、フロントエンドの単体テストフレームワークにおける経験
- UI/UX開発に対する理解
- パフォーマンスとスケーラビリティを念頭に設計、開発できる能力
- APIデザイン、メモリ管理、ソフトウェアテスト、パフォーマンスチューニングに関する豊富な知識
- さまざまなステークホルダーと連携できるコミュニケーション能力およびヒューマンスキル
- プロジェクトマネジメントまたはチームリーダー経験
- アーキテクチャまたはインフラ、CI/CD経験
- エンドツーエンド、UIテストの経験
- A/Bテスト、多変量テストの経験
- REST、Protocol BuffersまたはGraphQLを用いたAPI、インターフェース設計の経験
- Design Systemを使用、開発した経験
- 複数国で数多くのお客さまに使用される複数言語のアプリの開発経験
- OSSへの貢献経験／OSSコミュニティへの理解、もしくはカンファレンスで技術内容を発表した経験
- 日本語：Independent (CEFR - B2) 必須
- 英語：Basic (CEFR - A2) 歓迎
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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