Ruby on Rails x Go / Full-Stack Engineer for Multi-Tenant SaaS Integrated with IoT, Handling Authentication Platform Design to Implementation (Middle Layer)English summary from Japanese

株式会社Photosynth

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Salary

6 million JPY - 9 million JPY

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Join Photosynth as a Web Engineer (backend-focused, frontend capable) to develop the next-generation digital ID business, "Akerun Digital Identity Card," built on their cloud authentication platform. You will be central to the technical development of this multi-tenant SaaS, working closely with executives from requirements definition to operation.

Must-haves

Experience in requirements definition, design, development, testing, and operation/maintenance of web services/business systems.
Experience in continuous development using unit tests.
Communication skills to collaborate with customers, Product Managers, QA, SRE, etc., to materialize specifications.
Experience in handling production incidents, analyzing causes, and implementing preventive measures.

Nice-to-haves

Development experience in digital identity, ID management, authentication/authorization domains.
Design/implementation experience of authentication, authorization, and provisioning platforms integrating with external IdPs.
Design experience with multi-tenant SaaS and mobile app + web management interfaces.
Design experience with access control and feature control based on user attributes and organizational structures.

About the Company

株式会社Photosynth

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Posted7/17/2026

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Ruby on Rails x Go / Full-Stack Engineer for Multi-Tenant SaaS Integrated with IoT, Handling Authentication Platform Design to Implementation (Middle Layer)English summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

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