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シニアフルスタックソフトウェアエンジニア/ Senior Full Stack Software Engineer

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A multinational financial services firm is looking for a Senior Full Stack Software Engineer (JavaScript/TypeScript). The selected candidate will develop, maintain, and enhance both front-end and back-end applications, ensuring high-quality coding standards.

Responsibilities:

  • Develop front-end and back-end applications using TypeScript
  • Make architectural decisions and design scalable systems
  • Continuously enhance and improve existing applications
  • Review and provide feedback on code to ensure best practices
  • Share knowledge and promote best practices within the software engineering community
  • Mentor and support junior and mid-level engineers

Requirements:

  • Bachelor’s degree or equivalent in computer science
  • 5-7 years of experience developing web applications using JavaScript/TypeScript
  • Experience with front-end development using React or Next.js
  • Prior experience with back-end development using Node.js and frameworks (Express or Fastify)
  • Proven experience with Agile/Scrum methodology
  • Background with AWS
  • Knowledge of RESTful APIs design, Swagger/Open AI specification
  • Understanding of relational databases (MySQL)
  • Familiarity with software development best practices
  • Business level English (TOEIC 785+) and Japanese (JLPT N2+)

About the Company:

A multinational financial services firm based in Europe; this organisation has operated in financial services markets for over a century. Now with hundreds of thousands of employees across a broad international network, this company is a true global leader in the insurance and investment management industry.

Keywords:

ソフトウェア, プログラミング, IT, 技術職, 求人, 外資系

外資系大手生命保険会社にて、シニアフルスタックソフトウェアエンジニアの募集です。

職務内容:

  • TypeScript を使用して、完全に単体テスト済みのフロントエンドおよびバックエンドのアプリケーションを開発
  • アーキテクチャに関する決定を下し、スケーラブルなシステムを設計
  • 既存のアプリケーションを継続的に改善する方法を特定、改善
  • 他の開発者が作成したコードをレビューし、効率、テスト容易性、可読性、保守性、スタイルガイドへの準拠などのベストプラクティスを確保するためのフィードバック
  • ソフトウェアエンジニアリングの CoP(実践のコミュニティ)に貢献
  • 若手・中堅エンジニアのメンターやサポート

応募要件:

  • 大卒(コンピュータサイエンス)または同等の実務経験
  • JavaScript/TypeScriptを使用したWebアプリケーション開発における関連経験7年以上
  • jsおよび・またはNext.jsを使用したフロントエンド開発経験
  • HTML/CSSを使用して、クリーンでレスポンシブなユーザーインターフェイスを実装するスキル
  • jsおよびそれに対応するフレームワーク(ExpressやFastifyなど)を使用したバックエンド開発の経験
  • アジャイル・Scrum手法の経験
  • AWSの経験
  • コンピュータサイエンスの学位または同等の実務経験
  • ビジネスレベルの英語力(TOEIC785点以上)・日本語力(JLPT N2)

会社概要:

外資系大手生命保険会社。主に個人や法人向けに多様な保険商品を提供しています。特に、健康経営のサポートや、リスクマネジメントに関連するコンサルティング業務も手掛けており、顧客のニーズに合わせた柔軟なサービスを提供しています。

Job Ref: PI2E8E

Contract Type: Perm

Specialism: Information Technology

Focus: Development

Industry: Financial Services

Salary: ¥9,000,000 - ¥11,000,000 per annum

Workplace Type: On-site

Experience Level: Senior Management

Language: English - Business level

Second Language: Japanese - Professional working

Location: Tokyo

Job Reference: PI2E8E-8C682BF0

Date posted: 4 July 2025

Consultant: Natasha Taniguchi