EMS Service Planning and Development Engineer

SoftBank

Energy

Full-stack

ESG

About this role

This engineer joins the Green Transformation Promotion Division and works on energy management services for residential, industrial, and commercial users. The role covers EMS products that visualize electricity use, optimize charging and discharging, and connect energy devices such as batteries and solar power systems.

The work spans service planning, requirements definition, UI/UX and specification design, and implementation from web or mobile front ends through APIs, databases, backends, and cloud platforms. It also includes integrating BESS, PV, and PCS devices through protocols such as ECHONET Lite and Modbus, coordinating system deployment and field trials, and building data foundations for demand and generation forecasting using AI.

Applicants must have either experience with web applications, mobile applications, or IoT systems, including application, cloud, and API design, or experience with systems involving firmware, device communications, and cloud communications.

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