Company / Team

The team

Production engineers who became software builders. OPC-UA specialists. Factory-floor alumni who now write code. Small, focused, and still close to the factory.

Yuma Shimizu, CEO of YAMASTRO
Yuma Shimizu
CEO

Founded Yamastro in 2022. Background in manufacturing IT at industrial equipment companies in Japan — connecting PLCs, SCADA systems, and production data layers at mid-size factories.

Kenji Watanabe, Head of Engineering at YAMASTRO
Kenji Watanabe
Head of Engineering

10 years building industrial IoT systems for Japanese manufacturers. Deep expertise in OPC-UA, Modbus, and edge computing architectures for factory environments.

Rina Nakamura, Customer Success Lead at YAMASTRO
Rina Nakamura
Customer Success Lead

Former production engineer at a mid-size stamping supplier. Bridges factory-floor experience with software onboarding — the rare person who has written a shift report and also configured a dashboard.

Daisuke Ōhara, Platform Engineer at YAMASTRO
Daisuke Ōhara
Platform Engineer

OPC-UA and edge computing specialist. Previously built SCADA integration layers for automation integrators serving Japanese manufacturing customers across multiple industries.

Work with us

Interested in the work we're doing?

We're a small team and we hire carefully. If you have a manufacturing IT or industrial IoT background and want to build software that runs on real factory floors, get in touch.

Contact us