Systems Planning and Requirements Definition Engineer

SoftBank

Backend

REST API

About this role

This role sits in the corporate systems planning organization, which supports business platforms for corporate customers, including service applications, contract management, billing, and charging. The position focuses on upstream planning for systems that underpin corporate operations, including improvements to existing platforms and migration or new-service initiatives.

The engineer interviews business teams, organizes current workflows, converts business needs into functional and non-functional system requirements, prepares estimation materials, and standardizes requirements documents. The role also supports UAT planning and scenario development, coordinates with business and development stakeholders, and follows project management and development standards. The posting references experience with API design, data modeling, security, performance, availability, and end-to-end development as relevant background.

Applicants for the member-level track need around three years of system design or development experience and experience developing in a team. The sub-leader track additionally requires practical upstream experience, including requirements definition, translating business requirements into system requirements, and coordinating with relevant stakeholders.

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