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Backend Engineer (New Bank Project)

Work from home Full-time role Hiring

About the Organization/Team・組織/チームについて The assigned organization is primarily advancing projects related to a next-generation core banking system. Our in-house engineers take the lead in planning, designing, and even coding the core banking system and business logic from scratch. As it's a new organization, you can collectively help create the development rules and environment. ※ After joining the company, you are expected to be seconded to PayPay Bank as a member of the above project. 配属先組織は、次世代型コアバンキングシステムに関わるプロジェクトをメインに進めています。 自社エンジニアが中心となって、コアバンキングシステムと業務ロジックを1から企画・設計、さらにコーディングまで行います。新しい組織なため自分たちで開発ルールや環境を一緒に作り出すことができます。 ※入社後に上記プロジェクトメンバーとしてPayPay銀行への出向を予定しています。 Background of Recruitment・募集の背景 With rapid business growth, the number of employees is also expanding rapidly, and strengthening the organizational structure for business growth is an urgent task. 事業成長に伴い、従業員数も急拡大しており、事業成長に向けた組織体制の強化が急務とされています。 Job Responsibilities・具体的な業務内容

  • Development and operation of backend applications related to the new core banking system
  • Designing and developing for both performance and stability to maintain high reliability as a financial platform
  • Understanding and implementing how to utilize infrastructure to solve system challenges
  • Designing architecture based on application requirements and selecting middleware, etc.
  • Performance tuning, monitoring settings, and alert response for microservices
  • 新コアバンキングシステムに関連するバックエンドアプリケーションの開発と運用
  • 金融プラットフォームとして高信頼性を維持するための性能と安定性を両立する設計と開発
  • システム課題を解決するためのインフラストラクチャの活用方法を理解し実装する
  • アプリケーション要件に基づいたアーキテクチャの設計、ミドルウェアなどの選定
  • マイクロサービスのパフォーマンスチューニング、モニタリング設定、アラート対応

Attractiveness of This Position・本ポジションの魅力

  • Gain experience from the design to the introduction of a next-generation core banking system
  • Opportunity to collaboratively build a new organization and environment
  • Acquire high-level planning and proposal capabilities through supporting top management's decision-making and high-level coordination with various departments and affiliated companies, including PayPay
  • Gain frontline work experience in the industry at a company aiming to provide unprecedented financial services during a transformative period in the financial industry
  • Ability to leverage PayPay's service and user base
  • 次世代型コアバンキングシステムの設計から導入まで経験できる
  • 新しい組織・環境を一緒に作り上げることができる
  • 経営トップの意思決定サポートや各部門・PayPayを始めとした関係会社とのハイレベルな調整を通じ、高い視点に立った企画立案能力を獲得することができる
  • 金融業界の変革期のなかで、これまでにない金融サービスの提供を目指す当社において、業界の最前線にて業務経験を積むことができる
  • PayPayのサービス・ユーザー基盤を活用できる

Project Examples・プロジェクト事例

  • Application development for new services and improvements to existing services:
  • Account opening linked with LINE, inquiry chat
  • PayPay mini-app integration
  • Expansion of cardless ATM usage
  • Improvement of account opening processes
  • Improvement of various loan services, etc.
  • 新サービスから既存サービスの改善におけるアプリケーション開発を行います。
  • LINE連携した口座開設、問い合わせチャット
  • PayPayミニアプリ連携
  • カードレスATMの利用拡大
  • 口座開設処理の改善
  • 各種ローンサービスの改善 など

Required Experience/Skills・必要な経験/スキル

  • 3-5 years of backend development experience
  • Practical experience in C or Java. Excellent skills in other common programming languages
  • Understanding of data structures, algorithms, and the basics of object-oriented programming
  • Schema design in DB (RDB, NoSQL, etc.) and efficient query creation
  • Web application development and tuning, and development with security considerations
  • Japanese (Native or equivalent to JLPT N1 or N2 proficiency)
  • 3~5年のバックエンド開発経験
  • C、または、Javaの実務経験。その他一般的なプログラミング言語の優れたスキル
  • データ構造、アルゴリズム、オブジェクト思考プログラミングの基礎を理解していること
  • DB(RDB、NoSQL など)におけるスキーマ設計、効率的なクエリ作成
  • Webアプリケーション開発・チューニング経験、セキュリティを考慮した開発
  • 日本語(母国語もしくは日本語能力試験N1またN2同等レベル)

Desired Experience/Skills・あると望ましい経験/スキル

  • Development experience in the financial industry
  • Experience implementing platform components such as RESTful API, Pub/Sub systems, database clients
  • Development experience using AWS services
  • Experience in system design, developing applications/web products handling large transactions, and applications/web products requiring scalability
  • Development experience in both C and Java
  • Experience with microservices
  • English (Business level conversational proficiency)
  • 金融業界での開発経験
  • RESTful API、Pub/Subシステム、データベースクライアントなどのプラットフォームコンポーネントの実装経験
  • AWSサービスを使った開発経験
  • システム設計、大量トランザクションを扱うアプリ/Webプロダクト、スケーラビリティを必要とするアプリ/Webプロダクトの開発経験
  • CとJavaの両方の開発経験
  • マイクロサービスの経験
  • 英語(ビジネスレベルでの会話が可能なレベル)

Desired Candidate Profile・求める人物像

  • Individuals who can logically structure their thoughts and communicate effectively
  • Individuals who can approach everything with a strong sense of ownership
  • ものごとを論理的に組み立ててコミュニケーションが取れる方
  • 当事者意識をもって何事も取り組むことができる方

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