Appealing Points:

  • Work with Modern Full-Stack Technologies: Design and develop scalable applications using .NET Core, Angular, Microservices, cloud platforms (Azure/AWS), and modern DevOps practices.
  • Leverage AI-Driven Development: Use cutting-edge AI coding assistants such as GitHub Copilot and Claude Code to accelerate development, improve code quality, and modernise legacy applications.
  • Technical Leadership & End-to-End Ownership: Lead projects from architecture to deployment, mentor engineers, promote test automation with Cypress, and drive engineering best practices across the development lifecycle.

Annual Salary : 5 Million Yen and Above

Job Responsibilities:

  • Architect & Develop: Design and implement robust, scalable back-end services using .NET (Core/6+) and dynamic, responsive front-end interfaces using Angular (v14+).
  • AI Integration: Leverage AI coding assistants (like GitHub Copilot or Claude Code) to accelerate development cycles, refactor legacy code, and maintain high code quality.
  • Full Lifecycle Ownership: Lead projects from initial requirements gathering through deployment, ensuring best practices in CI/CD and cloud architecture.
  • Quality Engineering: Write clean, maintainable code and champion a "test-first" mentality, specifically utilizing Cypress for end-to-end automation.
  • Mentorship: Provide technical leadership and conduct thorough code reviews to elevate the skills of the broader engineering team.

Job Qualifications:

  • Back-End: 8+ years of expertise in C#, ASP.NET Core, Web API, and Entity Framework.
  • Front-End: Deep proficiency in Angular, TypeScript, RxJS, and modern CSS frameworks (Tailwind/Material).
  • Database: Strong experience with SQL Server (T-SQL) and NoSQL alternatives (MongoDB/CosmosDB).
  • Architecture: Proven experience with Microservices, RESTful APIs, and Design Patterns (SOLID, Clean Architecture).
  • Cloud/DevOps: Hands-on experience with Azure or AWS, including Docker and CI/CD pipelines.Preferred "Edge" Skills
  • Automation: Hands-on experience building E2E test suites using Cypress.
  • AI-Driven Development: Proved track record of integrating GitHub Copilot or Claude Code into your daily workflow to optimize output.
  • State Management: Experience with NgRx or Akita for complex front-end states.
  • Performance: Experience in profiling and optimizing both SQL queries and Angular bundle sizes.

Language Required: Conversational Level Japanese (JLPT N3) and Business level japanese required.

Company Description:

The Company is a global provider of Digital Business Transformation, Digital Engineering, and Information Technology (IT) outsourcing services that accelerate our clients’ journey to their Digital Future. Company serves Global 2000 companies in Banking, Financial Services, Insurance, Healthcare, Telecommunications, Media, Entertainment, Travel, Manufacturing, and Technology industries. Using a combination of digital strategy, digital engineering, business implementation, and IT platform modernization services, Company helps clients execute successful end-to-end digital business transformation initiatives.


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