Senior Software Engineer, Backend-Focused Full-Stack (Global Product Team)

**About the company:** CADDi Taito-ku, Tokyo CADDi makes enterprise software for the manufacturing industry. To date, we have raised 21.73 billion yen and operate business in four countries, including Japan, the U.S., Vietnam, and Thailand. **Responsibilities:** Contribute to the development of a new application built on top of our core platform, CADDi Drawer, for example, the recently released CADDi Quote. This project is run like an independent startup within CADDi, aiming to create a product that could exceed T2D3-level growth on its own. You’ll be part of a fast-moving, entrepreneurial team building entirely new value from zero. Lead the end-to-end development of the application from scratch, including technology selection, domain modeling, and overall architecture design. Collaborate closely with cross-functional teams such as product managers, designers, and engineers across multiple teams to ensure successful delivery. Play a key role in building a high-performing, globally-oriented engineering team that primarily operates in English.　 Requirements 7+ years of hands-on experience designing, developing, and delivering web applications on cloud platforms such as GCP, AWS, and Azure. Proven leadership in managing teams of 5+ engineers to deliver high-quality, scalable web applications through strong technical excellence and proactive guidance in architecture, implementation, and delivery. Product and Technical Experience Experience leading architecture design initiatives and contributing to the technical direction of products. Experience leading the end-to-end delivery of B2B SaaS platforms, from requirement definition and design to implementation, delivery, and continuous improvement, ensuring enterprise-level performance, reliability, and security. Experience leading the end-to-end development of B2C applications, focusing on usability, performance, and customer engagement throughout the entire product lifecycle. Involved in full product lifecycles, including requirement gathering, design, roadmap planning, iterative development, and post-launch improvements. *Not required to meet all of the above, experience in at least one area is sufficient. Fluent in English, able to understand complex, context-heavy discussions and collaborate effectively with a multicultural English speaking team. Nice to haves While not specifically required, tell us if you have any of the following. Development experience in a Docker-native infrastructure environment - strongly preferred Backend development and operation experience for web applications using statically typed languages - strongly preferred Experience selecting programming languages, frameworks, and libraries by evaluating pros and cons from both technical and business perspectives Experience developing services that include asynchronous jobs, particularly with designing and building the job infrastructure from scratch. Proven ability to drive solutions to development productivity challenges through technical leadership, including: establishing and maintaining CI/CD pipelines (especially around Docker), defining and supporting coding standards Full Stack Development experience (ideally with React.js). Hands-on experience with Domain-Driven Design (DDD) in complex business domains Designed, developed, and maintained microservices architecture in a distributed environment Built secure web applications with a strong awareness of modern security best practices Successfully led and completed projects involving multiple stakeholders. Compensation ¥8,500,000 ~ ¥12,000,000 annually. **Requirements:** 7+ years of hands-on experience designing, developing, and delivering web applications on cloud platforms such as GCP, AWS, and Azure. Proven leadership in managing teams of 5+ engineers to deliver high-quality, scalable web applications through strong technical excellence and proactive guidance in architecture, implementation, and delivery. Product and Technical Experience Experience leading architecture design initiatives and contributing to the technical direction of products. Experience leading the end-to-end delivery of B2B SaaS platforms, from requirement definition and design to implementation, delivery, and continuous improvement, ensuring enterprise-level performance, reliability, and security. Experience leading the end-to-end development of B2C applications, focusing on usability, performance, and customer engagement throughout the entire product lifecycle. Involved in full product lifecycles, including requirement gathering, design, roadmap planning, iterative development, and post-launch improvements. *Not required to meet all of the above, experience in at least one area is sufficient. Fluent in English, able to understand complex, context-heavy discussions and collaborate effectively with a multicultural English speaking team. **Nice to have:** While not specifically required, tell us if you have any of the following. Development experience in a Docker-native infrastructure environment - strongly preferred Backend development and operation experience for web applications using statically typed languages - strongly preferred Experience selecting programming languages, frameworks, and libraries by evaluating pros and cons from both technical and business perspectives Experience developing services that include asynchronous jobs, particularly with designing and building the job infrastructure from scratch. Proven ability to drive solutions to development productivity challenges through technical leadership, including: establishing and maintaining CI/CD pipelines (especially around Docker), defining and supporting coding standards Full Stack Development experience (ideally with React.js). Hands-on experience with Domain-Driven Design (DDD) in complex business domains Designed, developed, and maintained microservices architecture in a distributed environment Built secure web applications with a strong awareness of modern security best practices Successfully led and completed projects involving multiple stakeholders. **Compensation:** ¥8,500,000 ~ ¥12,000,000 annually.