The role provides corporate IT support and calls for technical support and project-lead experience, plus Microsoft Windows, Cisco networking, and related IT qualifications.
About this role
This Software Engineer role at Kanmu works on Bundle Card, a prepaid-card service spanning web/app and physical in-store payments. The team seeks someone who can turn ambiguous requirements and unclear priorities into actionable specifications rather than just implementing quickly. Core responsibilities: clarify vague requirements, unstated assumptions, and decision points; take work from requirements definition through design and task breakdown to a ready-to-build state, questioning specs where needed; make key design decisions independently and build consensus with stakeholders; participate in implementation, code review, and operations while identifying and fixing bottlenecks to reduce rework; and use AI tools to raise the productivity of research, design, implementation, testing, and operations. Because Bundle Card handles users' money, the role requires balancing stable operation with a smooth payment experience. The team's tech stack: React Native, Expo, TypeScript, and Redux for the mobile app; Go and Python server-side; AWS, GCP, and Terraform for infrastructure; PostgreSQL for the database. Full-time, based in Ebisu, Shibuya, Tokyo.
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