{"id":1207675,"url":"https://alion.io/job/carnot-senior-frontend-engineer","title":"Senior Frontend Engineer","company":{"id":2677067,"name":"Carnot 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Frontend Engineer\nDescription\n自社開発サービス「Jinba」のシニアフロントエンジニアのポジションです。\nワークフローエディタ、実行状況モニタリング、外部連携設定など、主要なプロダクト領域の設計・実装・改善をリードする\nプロダクトの複雑化やチーム拡大に耐えうる、スケーラブルなフロントエンドアーキテクチャを設計する\nドラッグ＆ドロップ、キャンバス操作、リアルタイム更新などの高度なインタラクションを実装する\nデザイナーと密に連携し、洗練された本番品質のUIを提供する\nコンポーネント設計、テスト戦略、ビルドパフォーマンス改善など、開発体験（DX）の向上に取り組む\nチーム拡大に伴い、エンジニアの育成およびフロントエンドのベストプラクティスを確立する\nRequirements\n自社開発サービス「Jinba」のシニアフロントエンジニアのポジションです。\nワークフローエディタ、実行状況モニタリング、外部連携設定など、主要なプロダクト領域の設計・実装・改善をリードする\nプロダクトの複雑化やチーム拡大に耐えうる、スケーラブルなフロントエンドアーキテクチャを設計する\nドラッグ＆ドロップ、キャンバス操作、リアルタイム更新などの高度なインタラクションを実装する\nデザイナーと密に連携し、洗練された本番品質のUIを提供する\nコンポーネント設計、テスト戦略、ビルドパフォーマンス改善など、開発体験（DX）の向上に取り組む\nチーム拡大に伴い、エンジニアの育成およびフロントエンドのベストプラクティスを確立する\nPreferred Experiences\nFigma、Linear、Notion、Retool、Vercelなど、同種プロダクトを持つ企業でのフロントエンド／フルスタック経験\nキャンバスベースやノードグラフ型エディタの開発経験\nOSSのコンポーネントライブラリへの貢献、またはメンテナンス経験\nアーリーステージのスタートアップで、プロダクトの主要領域を一貫して担当した経験\nリアルタイムコラボレーション機能（CRDT、Operational Transform、WebSocket中心のUIなど）の開発経験\nWe are looking for\nオーナーシップ志向：タスク消化ではなく、成果に責任を持ちたい方\n高い品質基準：細部やエッジケースまで妥協せず、ユーザーが感じる「仕上がり」にこだわる方\nアーリーステージ適性：不確実性を楽しみ、素早い仮説検証と改善を回せる方\nWorking Conditions\nSalary\n年収1,000〜1,500万（スキルに応じて決定）\nLocation\nオフィス＆リモートのハイブリッド勤務\nJob Type\nフルタイム\nWork hours\nProbation period\nBenefits","description_format":"text","description_chars":1187,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-25T01:06:59Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long 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