Design, develop, deploy, and maintain enterprise web applications and services across the full technology stack. The role builds platforms and capabilities supporting cybersecurity, compliance, engineering, and business operations, including AI-enabled automation, knowledge management, and data-driven decision making. The work includes integrating business systems, knowledge repositories, and AI services.
Design, develop, and deliver software platforms supporting Macromill's business, and work with the company's existing legacy systems. The role includes participating in an Agile development lifecycle, code reviews, and communicating technical decisions and progress with stakeholders. It also includes providing technical guidance and mentorship to junior engineers.
Build and operate high-performance, scalable backend systems for Rakuten’s logistics platform using Java. The role involves designing highly available distributed systems and backend services, improving performance and operational efficiency, and supporting production operations. The team’s systems support warehouse operations and logistics services for Rakuten merchants.
AI Chat Gateway、サービス連携API、Context Graphなどの統合コンポーネントを担うシニアICとして、設計から実装、本番運用、リリース後の効果測定まで一貫して担当します。検索・推薦ロジックやAPI／マイクロサービスの実装・改善に加え、検索品質やパフォーマンスの改善を行います。複数のものづくりサービスをまたぐ統合体験の新規プロダクト開発に携わります。
This role is a full-stack software engineering position with technical ownership across the product and project development lifecycle. Responsibilities include requirements analysis, system design, implementation, testing, deployment, maintenance, collaboration across teams, and proposing technical and system improvements.
The Software Engineer will join the Ad Product Section (APS) team and contribute to the next generation of Rakuten’s advertising platform. The role includes owning the full SDLC, designing scalable systems, conducting code reviews, and integrating AI-powered coding tools and workflows. It also involves collaboration across Product, Design, and Engineering, as well as mentoring junior engineers and interns.
The Senior Software Engineer will join the Ad Product Section team and help define the next generation of its advertising platform. The role owns the end-to-end product development lifecycle and includes technical leadership, architectural design, system maintenance, cross-functional collaboration, and mentoring engineers.
The Senior Software Engineer will help define the next generation of the advertising platform and own the end-to-end product development lifecycle. The role includes technical architecture, implementation, deployment, monitoring, maintenance, code reviews, and integrating AI-assisted development workflows. It also includes identifying technical debt, collaborating with Product, Design, and Engineering, and mentoring junior engineers and interns.