Senior Software Engineer - Authentication Team

Role Overview

Senior Software Engineer – Customer Identity and Access Management (CIAM) team at Factorial.

Work on the full stack with a focus on backend development, primarily using Ruby on Rails and React.

Own a product domain area such as Authentication, Single Sign‑On, Multi‑Factor Authentication, Authorization, Permissions, or Auditing. Lead the foundation for both external and internal users to derive value from our platform.

Responsibilities

• Design, develop, and ship features for the CIAM domain, ensuring high quality, security, and performance.
• Take ownership of large initiatives from conception to delivery, collaborating with product managers and designers.
• Engage in customer calls to understand pain points, gather requirements, and refine solutions.
• Review code daily and review pull requests, giving and receiving constructive feedback.
• Mentor junior engineers and share best practices in arch...