OOZOU · Remote

Building and maintaining Ruby on Rails applications in production — owning features from design to release across Rails back ends and TypeScript front ends.

Oivan · Remote

Delivered Rails web applications remotely; strengthened backend services, database design, and API integrations.

Iwa Labs

Full-stack development centered on Ruby on Rails for a range of client products; led problem-solving on complex features.

appSolute Co., Ltd.

Built tailored Rails applications across the full lifecycle with PostgreSQL, jQuery, and Bootstrap on Ubuntu.

Outputstream Co., Ltd.

Co-founded and ran a web-application studio delivering custom Ruby on Rails products end-to-end for clients.