Job Description

【業務内容】
ソフトウェア開発エンジニアとして、クラウドベースの社内業務アプリ開発をご担当いただきます。社内外のステークホルダーと連携し、主にPSD（Post Sales Discount）関連の業務システムの開発・保守・改善を担います。

【業務詳細】
・社内業務システムの開発、システム監視、障害対応、運用保守全般
・.NET、Java、JavaScriptを用いた新機能開発および機能拡張
・単体テスト、UAT/PAT、本番環境へのリリース対応（GCP/AWS）
・RESTful APIの設計・実装・統合
・技術文書の作成・保守
・業務部門・QAとの要件調整
・開発プロセスやシステム性能の改善提案
・オンサイト・オフショア混在の国内外ITチームや他部門との連携、ブリッジ

【プロジェクト例】
・Salesforce 営業管理システム
・販売実績のレポート作成・マスタ管理システム
・製品の価格管理システム
・ワークフロー管理システム　など

【ポジションの魅力】
社内外と連携して開発を進める環境でご経験を活かすことができます。
自社プロジェクトだからこそ、会社の成長に主体的に関わることができます。

【必須（MUST）】

・ソフトウェア開発経験（3年以上）
└.NET/C#/Java/JavaScript/MSSQL/MySQL
・REST API開発経験、クラウド（GCPまたはAWS）環境での実装経験
・UAT/PATを含むテストプロセスの実装経験
・日本語スキル：ビジネスレベル以上　※英語力は必須ではありません

【歓迎（WANT）】

・社内業務アプリケーションの要件定義、設計の経験
・アジャイル開発、CI/CD経験
・Jira、Confluence等の使用経験
・Git等のバージョン管理システムの使用経験
・セキュリティベストプラクティスの知識

【その他】

下記のスキル・姿勢をお持ちの方にご活躍いただきたいと思っています。
・新しい技術に関心を持ち、積極的に学ぶ姿勢
・チーム環境で協調的に業務を遂行できる能力

THE COMPANY and BUSINESS

Essential to care™

Headquartered in Dublin, Ohio, ranks among the top 20 in the Fortune 500, Cardinal Health, Inc. (NYSE: CAH) is a global, integrated healthcare services and products company.

We provide customized healthcare solutions for hospitals, pharmacies, and clinics worldwide, enhancing supply chain efficiency and patient care. Our clinically proven products and pharmaceuticals connect patients, providers, and manufacturers for better care coordination.

With nearly 100 years of experience, our 48,000 mission-driven partners in 30+ countries strive to advance healthcare and improve lives every day. We are committed to innovative, cost-effective solutions that improve lives and drive continuous improvement in healthcare.

Our $12B Global Medical Products and Distribution Segment manufactures and distributes Cardinal Health brand products across the globe.

We are looking for a talented and experienced Software Developer to join our Cardinal Health Japan IT team. If you are passionate about technology, thrive in a collaborative environment and dedicated to making a positive impact on healthcare, we want to hear from you!

What “Software Developer” contributes to Cardinal Health

We are seeking a proactive and technically skilled Intermediate Level Software Developer  (.NET, Java, Full Stack) to join our Commercial IT Applications team in Japan. This role focuses on maintaining and enhancing enterprise applications, developing new features and projects, and ensuring smooth production releases. You will collaborate closely with cross-functional teams to deliver secure, scalable, and high-performing solutions that support our Post Sales Discount (PSD) systems and related applications.

Key Responsibilities

• Application Maintenance & Support: Monitor, troubleshoot, and resolve issues in production systems to ensure stability and performance.
• Project Development: Design and implement new features and enhancements on existing applications using .NET, Java, and JavaScript technologies.
• Testing & Release: Conduct unit testing, support UAT/PAT, and manage production deployments in cloud environments (GCP/AWS).
• Stakeholder Collaboration: Work closely with business analysts, QA, and other stakeholders to gather requirements and deliver effective solutions.
• Secure Coding: Write clean, secure, and maintainable code using .NET (C#), Java, HTML5, JavaScript, and SQL (MSSQL/MySQL) (Full-Stack Development).
• API Integration: Develop and maintain RESTful APIs for seamless system integration.
• Documentation: Maintain clear and comprehensive technical documentation throughout the software development lifecycle.
• Continuous Improvement: Identify opportunities to improve system performance, development processes, and team collaboration.

Qualifications

Required:

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 3–4 years of hands-on experience in software development using .NET (C#), Java, HTML5, JavaScript, MSSQL, and MySQL (Full-stack developer).
• Experience in maintaining and enhancing production systems.
• Strong understanding of RESTful API development and integration.
• Experience developing/deploying applications on cloud platforms (Google Cloud Platform or AWS).
• Solid grasp of object-oriented programming and design principles.
• Experience with unit testing, UAT support, and production release processes.
• Strong communication skills and ability to work independently.
• Japanese language proficiency (business level or higher).

Preferred:

• Experience with Agile methodologies and CI/CD pipelines.
• Familiarity with Atlassian tools (Jira, Confluence).
• Experience with Git or other version control systems.
• Knowledge of application security best practices.
• Ability to work effectively in a global team environment.

Candidates who are back-to-work, people with disabilities, without a college degree, and Veterans are encouraged to apply.

Cardinal Health supports an inclusive workplace that values diversity of thought, experience and background. We celebrate the power of our differences to create better solutions for our customers by ensuring employees can be their authentic selves each day.

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